CN106226872B - A kind of multichannel coaxial packaging structure and packaging method - Google Patents
A kind of multichannel coaxial packaging structure and packaging method Download PDFInfo
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- CN106226872B CN106226872B CN201610767103.XA CN201610767103A CN106226872B CN 106226872 B CN106226872 B CN 106226872B CN 201610767103 A CN201610767103 A CN 201610767103A CN 106226872 B CN106226872 B CN 106226872B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4251—Sealed packages
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of multichannel coaxial packaging structures, the multichannel coaxial packaging structure adjusts its multichannel optical signal optical axis and fiber adapter light shaft coaxle by a light path adjustment block, opto-electronic device in the multichannel coaxial packaging structure can not be limited compact installation by position, so that the multichannel coaxial packaging is compact-sized, installation space is saved.The invention also discloses a kind of packaging methods of multichannel coaxial packaging structure, the packaging method realizes multichannel optical signal optical axis and fiber adapter light shaft coaxle based on the light path adjustment block, and it can be completed using general process equipment in debugging process, so that packaging process is simple and convenient, and cost is relatively low, is easy to produce manufacture in enormous quantities.
Description
Technical field
The present invention relates to fiber optic communication fields, and in particular to a kind of multichannel coaxial packaging structure and packaging method.
Background technology
With the rapid development of information technology, including the wide of the relevant technologies such as internet, Internet of Things, cloud computing, big data
General application, data volume are in explosive growth, and global data center quantity is also more and more, support the cloud of bigger network bandwidth resources
It calculates data center and has become the important infrastructure with strategic meaning on State-level.Meanwhile fixed network and wireless
Network universal but also this respect network traffic demand constantly rapid growth, in order to support ever-increasing flow to need
It asks, telecom operators need to support higher network bandwidth in the next-generation base station architecture of structure.Need express network now
It is even higher that transmission rate will usually reach 100Gb/s, 400GB/s.
In order to support high network bandwidth, typically now by the way of optic communication transmission, optic communication transmission is based primarily upon light
Fine and optical signal for transmitting and receiving opto-electronic device, i.e. transmitting terminal opto-electronic device and receiving terminal opto-electronic device, hair
It penetrates end opto-electronic device and receiving terminal opto-electronic device is connected to by optical fiber, transmitting terminal opto-electronic device emits optical signal, light letter
It number is transmitted through the fiber to receiving terminal, this optic communication transmission mode is limited to the optical signal launch speed of transmitting terminal opto-electronic device
The optical signal receiving velocity of rate and receiving terminal opto-electronic device.Current more common transmitting terminal opto-electronic device and receiving terminal light
Electronic device is all made of semi-conductor photoelectronic chip, such as the semiconductor laser of optical signal launch and for optical signal
The semiconductor detector chip of reception, these semiconductor chips are more sensitive to steam, particle of external environment etc., in order to ensure
The reliability and stability of its long-term work, the encapsulation of generally use air-tightness coaxial configuration, i.e., by using similar transistor
Common Transistor Outline-Can (TO-CAN) encapsulation technology of device, by electrical connection, optical coupling, temperature control (if
Need), the process routes such as be mechanically fixed and seal and (be filled with the inert gases such as nitrogen), semiconductor chip packaging, which is become, has one
Determine the TO-CAN opto-electronic devices that function and performance are stablized.At present using the opto-electronic device of TO-CAN encapsulation, transmission rate
It only up to support 25Gb/s, and existing frequently-used optic communication transmission mode is limited to the transmission rate of opto-electronic device,
The transmission rate of 25Gb/s completely can not meet demand.
In order to realize the high rate data transmission of optical signal, currently used side using the opto-electronic device of TO-CAN encapsulation
Formula is by optical signal that multiple opto-electronic devices emit by being transmitted in wavelength-division multiplex method closing light a to optical fiber, such as
Transmission rate is the transmitting terminal opto-electronic device of 100Gb/s, is exactly that 4 channels with different wave length are passed through wavelength-division multiplex method
Closing light, each channel are the optical signal of 25Gb/s transmission rates, are incident in an optical fiber and transmit；For receiving terminal photoelectron device
Part, transmission rate are the optical signal of 100Gb/s by wavelength-division Deplexing method, are divided into 4 channels with different wave length and carry out simultaneously
Row transmission, wherein each channel has 25Gb/s transmission rates, it is notable that above-mentioned wavelength-division multiplex and wavelength-division demultiplexing are equal
It is realized by wavelength-division optical filter.Optical signal in order to emit multiple opto-electronic devices is multiplexed to an optical fiber, is needed
A kind of multichannel coaxial packaging structure is completed, and the light path in existing multichannel coaxial packaging structure can not be adjusted, and photoelectricity
The optical signal of sub- device transmitting needed after wavelength-division multiplex with fiber adapter optical axis coincidence, this just seriously constrains photoelectron
The band of position of device installation, and then the design of entire encapsulating structure can be influenced, cause encapsulating structure design too fat to move, waste installation
Space.Simultaneously in order to ensure light path coaxial, the installation accuracy of opto-electronic device is more demanding, and the precision of process equipment is also wanted
Ask higher, the debugging process after installation is also complex, in turn results in entire encapsulation process and complicates, packaging cost is higher.
Invention content
In view of this, the purpose of the present invention is to provide a kind of multichannel coaxial packaging structure, the same axle envelope of multichannel
Assembling structure adjusts its multichannel optical signal optical axis and fiber adapter light shaft coaxle by a light path adjustment block, and the multichannel is same
Opto-electronic device in axle envelope assembling structure can not be limited compact installation by position, so that the multichannel coaxial packaging
It is compact-sized, save installation space.
It is another object of the present invention to provide a kind of packaging method of multichannel coaxial packaging structure, the encapsulation sides
Method realizes multichannel optical signal optical axis and fiber adapter light shaft coaxle based on the light path adjustment block, and in debugging process
Middle to can be completed using general process equipment, so that packaging process is simple and convenient, and cost is relatively low, is easy to high-volume
It manufactures.
In order to achieve the above object, the present invention provides a kind of multichannel coaxial packaging structure, including：
An at least emitting portion, the emitting portion include at least two transmitting terminal optical assemblies, at least two transmitting terminal waves
Subassembly, a transmitting terminal light path adjustment block, a transmitting terminal collimation lens and a transmitting terminal fiber adapter, wherein the transmitting
End optical assembly is removably connect with the emitting portion, the transmitting terminal wavelength-division component and the transmitting terminal optical assembly quantity phase
It is fixedly installed in together and correspondingly inside the emitting portion, the transmitting terminal light path adjustment block is installed on the emission part
Inside, the transmitting terminal fiber adapter is divided to be installed on the emitting portion, the transmitting terminal collimation lens is installed on the hair
Penetrate inside the fiber adapter of end and with the same optical axis of transmitting terminal fiber adapter, wherein the transmitting terminal wavelength-division component receives
The optical signal that the transmitting terminal optical assembly is sent out, and the transmitting terminal wavelength-division component is by the incident light after optical signal closing light
Road adjustment block, the light path adjustment block by closing light signal adjust to be incorporated to optical axis with the transmitting terminal fiber adapter penetrate it is described
Transmitting terminal fiber adapter, the multichannel optical signal that the transmitting terminal wavelength-division component sends out transmitting terminal optical assembly carry out wavelength-division
Multiplexing.
Preferably, the multichannel coaxial packaging structure includes：
An at least receiving portion, the receiving portion include at least two receiving terminal optical assemblies, at least two receiving terminal waves
Subassembly, a receiving terminal light path adjustment block, a receiving terminal collimation lens and a receiving terminal fiber adapter, wherein the reception
End optical assembly is removably connect with the receiving portion, the receiving terminal wavelength-division component and the receiving terminal optical assembly quantity phase
It is fixedly installed in together and correspondingly inside the receiving portion, the receiving terminal light path adjustment block is installed on the receiving part
Inside, the receiving terminal fiber adapter is divided to be installed on the receiving portion, the receiving terminal collimation lens is installed on described connect
Inside receiving end fiber adapter and with the same optical axis of receiving terminal fiber adapter, wherein the receiving terminal fiber adapter connects
It folds optical signal and is incident in the receiving terminal light path adjustment block, the optical axis of closing light signal will be adjusted by the receiving terminal light path
Block adjustment and the incident receiving terminal wavelength-division component, the receiving terminal wavelength-division component pairing optical signal wavelength-division demultiplexing.
Preferably, the emitting portion include at least two receiving terminal optical assemblies, at least two transmitting terminal wavelength-division components, one
Transmitting terminal light path adjustment block, a transmitting terminal collimation lens and a transmitting terminal fiber adapter, wherein the transmitting terminal optical assembly
It is removably connect with the emitting portion, the transmitting terminal wavelength-division component is identical as the transmitting terminal optical assembly quantity and one by one
Corresponding to be fixedly installed in inside the emitting portion, the transmitting terminal light path adjustment block is installed on inside the emitting portion,
The transmitting terminal fiber adapter is installed on the emitting portion, and the transmitting terminal collimation lens is installed on the transmitting terminal optical fiber
Adapter inner and with the same optical axis of transmitting terminal fiber adapter, wherein the transmitting terminal fiber adapter receives closing light letter
Number and be incident in the transmitting terminal light path adjustment block, the optical axis of closing light signal will be adjusted simultaneously by the transmitting terminal light path adjustment block
The incident transmitting terminal wavelength-division component, the transmitting terminal wavelength-division component pairing optical signal wavelength-division demultiplexing.
Preferably, the transmitting terminal light path adjustment block includes a total reflection prism and a sleeve, the total reflection prism peace
Loaded on the sleeve, and the total reflection prism is rotated with the rotation of the sleeve.
Preferably, described two opposite reflectings surface of transmitting terminal light path adjustment block are coated with highly reflecting films.
Preferably, the transmitting terminal wavelength-division component includes a transmitting terminal wavelength-division optical filter, the transmitting terminal wavelength-division optical filter
It is fixed in a determination angle with the transmitting terminal optical assembly, described in the parallel optical signal process being emitted from the transmitting terminal optical assembly
The reflection of transmitting terminal wavelength-division optical filter converges simultaneously coaxial with other parallel optical signals.
Preferably, the transmitting terminal optical assembly include a transmitting terminal canister, a transmitting terminal semiconductor laser chip with
And a transmitting terminal collimation lens, the direct level Hermetic Package of transmitting terminal semiconductor laser chip is in the transmitting terminal canister
Portion, the transmitting terminal collimation lens are installed on the exit portal of the transmitting terminal canister, the transmitting terminal semiconductor laser core
The optical signal that piece is sent out becomes parallel optical signal outgoing after the transmitting terminal collimation lens.
Preferably, the transmitting terminal optical assembly include a transmitting terminal canister, a transmitting terminal semiconductor laser chip with
And one transmitting hold window pipe cap level with both hands, the direct level Hermetic Package of transmitting terminal semiconductor laser chip is in the transmitting terminal canister
The exit portal that window pipe cap is installed on the transmitting terminal canister, the transmitting terminal semiconductor laser core are held in portion, the transmitting level with both hands
The optical signal that piece is sent out holds the outgoing of window pipe cap level with both hands by the transmitting.
Preferably, the transmitting terminal wavelength-division component includes that a transmitting terminal wavelength-division optical filter and the external collimation of a transmitting terminal are saturating
Mirror, the transmitting terminal wavelength-division optical filter are fixed with the transmitting terminal optical assembly in a determination angle, the external collimation of transmitting terminal
Lens are located at the transmitting and hold level with both hands between window pipe cap and the transmitting terminal wavelength-division optical filter, and the external collimation lens of the transmitting terminal
Hold the parallel fixation of window pipe cap level with both hands with the transmitting.The optical signal being emitted from the transmitting terminal optical assembly is external by the transmitting terminal
Become parallel optical signal after collimation lens, parallel optical signal is parallel with others by the reflection of the transmitting terminal wavelength-division optical filter
Optical signal converges simultaneously coaxial.
Preferably, the receiving terminal optical assembly include a receiving terminal canister, a receiving terminal semiconductor probe chip with
And a receiving terminal collimation lens pipe cap, the direct level Hermetic Package of receiving terminal semiconductor probe chip are held in the receiving terminal metal
Inside device, the receiving terminal collimation lens pipe cap is installed on the entrance port of the receiving terminal canister.
Preferably, the receiving terminal wavelength-division component includes a receiving terminal wavelength-division optical filter and one receives terminal reflector, described
Receiving terminal wavelength-division optical filter is fixed with the receiving end optical assembly in a determination angle, the reception terminal reflector and the receiving terminal
Wavelength-division optical filter is fixed in a determination angle, the receiving terminal wavelength-division optical filter and the receptions terminal reflector it is angled so that
The closing light signal of the incident receiving terminal wavelength-division component can be detached and is refracted to the receiving terminal optical assembly.
A kind of packaging method of multichannel coaxial packaging structure, including step：
(A) fiber adapter of the installation with collimation lens；
(B) transmitting terminal wavelength-division component and receiving terminal wavelength-division component are installed；
(C) light path adjustment block is adjusted, determines coaxial optical path, and fixed optical path adjustment block；
(D) transmitting terminal optical assembly and receiving terminal optical assembly are installed, optical registration, and stationary light component are carried out；
(E) detection verification performance indicator.
Preferably, when installing transmitting terminal optical assembly, the step (D) further comprises：
(D1) since adjacent fiber adapter, transmitting terminal optical assembly is installed successively；
(D2) by monitoring the Output optical power of fiber adapter, optical registration and successively is carried out successively to transmitting terminal optical assembly
It is fixed.
Preferably, the step (E) is：Detection verification performance indicator after closing light.
Preferably, when installing receiving terminal optical assembly, the step (D) further comprises：
(D1) since adjacent fiber adapter, receiving terminal optical assembly is installed successively；
(D2) by monitoring receiving terminal optical assembly output light electric current, optical registration and successively is carried out successively to receiving terminal optical assembly
It is fixed.
Preferably, the step (E) is：Detection verification performance indicator after light splitting.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
It is as shown in Figure 1 a kind of schematic diagram of multichannel coaxial packaging structure of the present invention.
It is illustrated in figure 2 a kind of structural schematic diagram of the light path adjustment block of multichannel coaxial packaging structure of the present invention,
In (a) be side sectional view, (b) be stereogram.
As Fig. 3 (a) show the transmitting terminal optical assembly and transmitting terminal wave of a kind of multichannel coaxial packaging structure of the present invention
Subassembly schematic diagram is (b) schematic diagram of transmitting terminal optical assembly and transmitting terminal wavelength-division component variant.
As Fig. 4 (a) show the receiving terminal optical assembly and receiving terminal wave of a kind of multichannel coaxial packaging structure of the present invention
Subassembly schematic diagram is (b) schematic diagram of receiving terminal optical assembly and receiving terminal wavelength-division component variant.
It is illustrated in figure 5 a kind of emitting portion schematic diagram of multichannel coaxial packaging structure of the present invention.
It is illustrated in figure 6 a kind of packaging method flow chart of multichannel coaxial packaging structure of the present invention.
Specific implementation mode
As shown in Figure 1, for a kind of multichannel coaxial packaging structure of the present invention, the multichannel coaxial packaging structure includes
One emitting portion 10, the emitting portion 10 further comprise a series of transmitting terminal optical assemblies 11, the transmitting terminal optical assembly 11
It is removably connect with the emitting portion 10, a series of transmitting terminal wavelength-division components 12, the transmitting terminal wavelength-division component 12 and institute
It is identical and be fixedly installed in correspondingly inside the emitting portion 10, a transmitting terminal light path to state 11 quantity of transmitting terminal optical assembly
Adjustment block 13, a transmitting terminal collimation lens 14 and a transmitting terminal fiber adapter 15.The transmitting terminal light path adjustment block 13 is pacified
Inside the emitting portion 10, the transmitting terminal fiber adapter 15 is installed on the emitting portion 10, the transmitting terminal
Collimation lens 14 be installed on the inside of the transmitting terminal fiber adapter 15 and with 15 same optical axis of the transmitting terminal fiber adapter.Its
In, it is λ 1 ... ..., the optical signal of λ n, each transmitting terminal that a series of n transmitting terminal optical assemblies 11, which distinguish launch wavelength,
The optical signal that optical assembly 11 is sent out forms closing light signal after corresponding 12 wavelength-division multiplex of transmitting terminal wavelength-division component,
Closing light signal then after the adjustment of the transmitting terminal light path adjustment block 13 close by the incident transmitting terminal light path adjustment block 13
The optical axis coincidence of the optical axis of optical signal and the transmitting terminal fiber adapter 15, the last transmitting terminal collimation lens 14 is by closing light
Signal focus is coupled to the transmitting terminal fiber adapter 15 and forms multichannel emergent light, to realize to multichannel optical signal
Wavelength-division multiplex.
The multichannel coaxial packaging structure further includes a receiving portion 20, and the receiving portion 20 further comprises a system
Row receiving terminal optical assembly 21, the receiving terminal optical assembly 21 are removably connect with the receiving portion 20, a series of receiving terminals
Wavelength-division component 22, and the receiving terminal wavelength-division component 22 is identical as 21 quantity of receiving terminal optical assembly, and it is one-to-one solid
Dingan County is loaded on the inside of the receiving portion 20, a receiving terminal light path adjustment block 23, and a receiving terminal collimation lens 24 and one connects
Receiving end fiber adapter 25.The receiving terminal light path adjustment block 23 is installed on inside the receiving portion 20, the receiving terminal light
Fine adapter 25 is installed on the receiving portion 20, and the receiving terminal collimation lens 24 is installed on the receiving terminal fiber adapter
25 inside and with 25 same optical axis of the receiving terminal fiber adapter.Closing light signal enters the receiving terminal fiber adapter 25
Afterwards, multichannel parallel optical signal is become by receiving terminal collimation lens 24 and is incident in the receiving terminal light path adjustment block 23,
The optical axis of closing light signal will be adjusted.When closing light signal reaches the receiving terminal wavelength-division component 22, the light with specific wavelength
Signal will filter out and be refracted into the receiving terminal optical assembly 21 of reception specific wavelength, remaining closing light signal continues on row
Into until all optical signals with specific wavelength are filtered out by the receiving terminal optical assembly 21 and are refracted to reception specific wavelength
The receiving terminal optical assembly 21, the wavelength-division of multichannel optical signal is demultiplexed to realize.
It is worth noting that, the transmitting terminal wavelength-division component 12 and the receiving terminal wavelength-division component 22 may be used it is identical
Structure, the transmitting terminal light path adjustment block 13 is identical as receiving terminal light path 23 structures of adjustment block, and the transmitting terminal collimation is saturating
Mirror 14 is identical with 24 structure of receiving terminal collimation lens, and the transmitting terminal fiber adapter 15 and the receiving terminal optical fiber are suitable
25 structure of orchestration is identical.The emitting portion 10 the difference is that only the transmitting terminal light with the receiving portion 20
Component 11 and the receiving terminal optical assembly 21, simultaneously because the transmitting terminal optical assembly 11 is dismountable with the emitting portion 10
Connection, the receiving terminal optical assembly 21 are removably connect with the receiving portion 20, to by the transmitting terminal light group
Part 11 and the receiving terminal optical assembly 21 are replaced, you can the emitting portion 10 is converted to the receiving portion 20 or is incited somebody to action
The receiving portion 20 is converted to the emitting portion 10.
The multichannel coaxial packaging structure can be made of the single emitting portion 10, can be by the single reception
Part 20 forms, and can be collectively constituted by an emitting portion 10 and a receiving portion 20, can also be by multiple
The emitting portion 10 and multiple receiving portions 20 collectively constitute, and are needing to change the multichannel coaxial packaging knot
When emitting portion 10 described in structure and 20 quantitative proportion of receiving portion, can by replace the transmitting terminal optical assembly 11 or
The receiving terminal optical assembly 21 is very easily realized.The multichannel coaxial packaging flexible structure is changeable, can be suitable for more
The different application scenarios of kind.
It is illustrated in figure 2 the structural schematic diagram of the transmitting terminal light path adjustment block 13, since the receiving terminal light path adjusts
The structure of block 23 is identical as the structure of the transmitting terminal light path adjustment block 13, illustrates together herein.The transmitting terminal light path
Adjustment block 13 includes that a total reflection prism 131 and a sleeve 132, the total reflection prism 131 are installed on the sleeve 132.Fig. 2
(a) it is the side sectional view of the transmitting terminal light path adjustment block 13, Fig. 2 (b) is the solid of the transmitting terminal light path adjustment block 13
Schematic diagram, dotted line is light path in figure.It can be seen that by rotating the sleeve 132, the transmitting terminal light path adjustment can be changed
The rotation status of block 13, to change light path.There are two opposite reflectings surface for the tool of the total reflection prism 131, and in order to prevent
Optical signal reflects, and two reflectings surface are coated with highly reflecting films, and optical signal that is incident or being emitted the total reflection prism 131 can exist
Two reflectings surface are totally reflected.The transmitting terminal light path adjustment block 13 is set to be in rotation status 1 when rotating the sleeve 132
When, the optical axis of optical signal generates displacement in vertical direction by the adjustment of the total reflection prism 131, when the rotation sleeve
132 when making the transmitting terminal light path adjustment block 13 be in rotation status 2, and the optical axis of optical signal passes through the total reflection prism 131
Adjustment generate displacement in the horizontal direction.And when rotating the rotation of 360 ° of the progress of sleeve 132, the optical axis warp of optical signal
360 ° of rotation can also be carried out by crossing the adjustment of the total reflection prism 131, so as to neatly adjust the optical axis of optical signal.
In the multichannel coaxial packaging structure, closing light optical axis and the hair may insure by the transmitting terminal light path adjustment block 13
The optical axis coincidence for penetrating end fiber adapter 15, to easily complete to operate to light.
As Fig. 3 (a) show the schematic diagram of the transmitting terminal optical assembly 11 and the transmitting terminal wavelength-division component 12, wherein institute
It states transmitting terminal wavelength-division component 12 to fix in a determination angle beta with the transmitting terminal optical assembly 11, from the transmitting terminal optical assembly 11
The parallel optical signal of the outgoing incident transmitting terminal wavelength-division component 12 converges after reflection with other parallel optical signals and coaxial.
The wherein described transmitting terminal optical assembly 11 is TO-CAN optical assemblies.The transmitting terminal optical assembly 11 includes a transmitting terminal canister
111, a transmitting terminal semiconductor laser chip 112 and a transmitting terminal collimation lens 113, the transmitting terminal semiconductor laser chip
For 112 direct level Hermetic Packages inside the transmitting terminal canister 111, the transmitting terminal collimation lens 113 is installed on the hair
The exit portal of end canister 111 is penetrated, the optical signal that the transmitting terminal semiconductor laser chip 112 is sent out passes through the transmitting terminal
Become parallel optical signal outgoing after collimation lens 113.The transmitting terminal wavelength-division component 12 includes a transmitting terminal wavelength-division optical filter
121, the transmitting terminal wavelength-division optical filter 121 is fixed with the transmitting terminal optical assembly 11 in a determination angle beta, from the transmitting terminal
The parallel optical signal that optical assembly 11 is emitted converges by the reflection of the transmitting terminal wavelength-division optical filter 121 with other parallel optical signals
Merge coaxial.Since the transmitting terminal wavelength-division component 12 sends out the optical signal of specific wavelength, and the hair for installation of being corresponding to it
The optical signal of corresponding specific wavelength can be reflected by penetrating end wavelength-division optical filter 121, be when changing the transmitting terminal optical assembly 11
When the receiving terminal optical assembly 12, the transmitting terminal wavelength-division component 12 can be used as the receiving terminal wavelength-division component 22 and without into
Row is replaced or adjustment.It can be by the way that the transmitting terminal optical assembly 11 be changed to the receiving terminal optical assembly 21, by the hair
It penetrates part 10 and is converted to the receiving portion 20.
As Fig. 3 (b) show the variant of the transmitting terminal optical assembly 11 and the transmitting terminal wavelength-division component 12：One transmitting terminal
An optical assembly 11A and transmitting terminal wavelength-division component 12A.The wherein described transmitting terminal wavelength-division component 12A and transmitting terminal optical assembly 11A
It is fixed in a determination angle beta, the incident transmitting terminal wavelength-division group of the parallel optical signal being emitted from the transmitting terminal wavelength-division component 11A
Part 12A converges after reflection with other parallel optical signals and coaxial.The wherein described transmitting terminal optical assembly 11A is TO-CAN light groups
Part.The transmitting terminal optical assembly 11A include transmitting terminal canister a 111A, a transmitting terminal semiconductor laser chip 112A and
Window pipe cap 113A is held in one transmitting level with both hands, and the direct level Hermetic Packages of the transmitting terminal semiconductor laser chip 112A are in the transmitting terminal metal
Inside container 111A, the exit portal that window pipe cap 113A is installed on the transmitting terminal canister 111A is held in the transmitting level with both hands, described
The optical signal that transmitting terminal semiconductor laser chip 112A is sent out holds the 113A outgoing of window pipe cap level with both hands by the transmitting.The transmitting terminal
Wavelength-division component 12A includes a transmitting terminal wavelength-division optical filter 121A and external collimation lens 122A of a transmitting terminal, the transmitting terminal wave
The optical filter 121A and transmitting terminal optical assembly 11A is divided to be fixed in a determination angle beta, the external collimation lens 122A of transmitting terminal
Hold level with both hands between window pipe cap 113A and the transmitting terminal wavelength-division optical filter 121A positioned at the transmitting, and the external collimation of the transmitting terminal
Lens 122A holds the parallel fixations of window pipe cap 113A level with both hands with the transmitting.The optical signal warp being emitted from the transmitting terminal optical assembly 11A
Become parallel optical signal after crossing the external collimation lens 122A of the transmitting terminal, parallel optical signal filters by the transmitting terminal wavelength-division
The reflection of piece 121A converges simultaneously coaxial with other parallel optical signals.It should be noted that the transmitting terminal optical assembly 11 and institute
The variant for stating transmitting terminal wavelength-division component 12 is not limited to the transmitting terminal optical assembly 11A and the transmitting terminal wavelength-division component 12A.
As Fig. 4 (a) show the schematic diagram of the receiving terminal optical assembly 21 and the transmitting terminal wavelength-division component 22, wherein institute
It states receiving terminal wavelength-division component 22 to fix in a determination angle beta with the receiving terminal optical assembly 21, the incident reception of closing light signal
After holding wavelength-division component 22, the optical signal of specific wavelength is reflected, and the optical signal of commplementary wave length continues to transmit along original optical path, certain wave
Long optical signal incident receiving terminal optical assembly 21 after being reflected by the receiving terminal wavelength-division component 22.The wherein described receiving terminal light
Component 21 is TO-CAN optical assemblies.The receiving terminal optical assembly 21 includes a receiving terminal canister 211, a receiving terminal semiconductor
Detection chip 212 and a receiving terminal collimation lens pipe cap 213, the 212 direct hermetic seal of receiving terminal semiconductor probe chip
Inside the receiving terminal canister 211, the receiving terminal collimation lens pipe cap 213, which is installed on the receiving terminal metal, to be held
The entrance port of device 211.The receiving terminal wavelength-division component 22 includes a receiving terminal wavelength-division optical filter 221, the receiving terminal wavelength-division filter
Mating plate 221 is fixed with the receiving terminal optical assembly 21 in a determination angle beta, the incident receiving terminal wavelength-division optical filter of closing light signal
After 221, the optical signal of specific wavelength is reflected, and the optical signal of commplementary wave length continues to transmit along original optical path, the light letter of specific wavelength
The incident receiving terminal collimation lens pipe cap 213 after number being reflected by the receiving terminal wavelength-division optical filter 221, by the receiving terminal
The incident receiving terminal semiconductor probe chip 212 after collimation lens pipe cap 213.Since the receiving terminal optical assembly 21 receives spy
The optical signal of standing wave length, and the receiving terminal wavelength-division optical filter 221 for installation of being corresponding to it can be by corresponding specific wavelength
Optical signal reflects, when it is the transmitting terminal optical assembly 11 to change the receiving terminal optical assembly 21, the receiving terminal wavelength-division component
22 can be used as the transmitting terminal wavelength-division component 12 and not have to be replaced or adjusted.It can be by by the receiving terminal light group
Part 21 is changed to the transmitting terminal optical assembly 11, and the receiving portion 20 is converted to the emitting portion 10.
As Fig. 4 (b) show the variant of the receiving terminal optical assembly 21 and the receiving terminal wavelength-division component 22：One receiving terminal
An optical assembly 21A and receiving terminal wavelength-division component 22A, and use the receiving terminal optical assembly 21A and the receiving terminal wavelength-division group
Part 22A can effectively improve the optically isolated degree between different channels.The wherein described receiving terminal wavelength-division component 22A and the receiving terminal
Optical assembly 21A is fixed in a determination angle, and after the incident receiving terminal wavelength-division component 22A of closing light signal, the light of specific wavelength is believed
It number is reflected, the optical signal of commplementary wave length continues to transmit along original optical path, and the optical signal of specific wavelength is by the receiving terminal wavelength-division group
The incident receiving terminal optical assembly 21A after part 22A reflections.The wherein described receiving terminal optical assembly 21A is TO-CAN optical assemblies.It is described
Receiving terminal optical assembly 21A is identical as 21 structure of receiving terminal optical assembly, including a receiving terminal canister 211A, a receiving terminal
Semiconductor probe chip 212A and receiving terminal collimation lens pipe cap a 213A, the receiving terminal semiconductor probe chip 212A are straight
Level Hermetic Package is connect inside the receiving terminal canister 211A, the receiving terminal collimation lens pipe cap 213A is installed on described connect
The entrance port of receiving end canister 211A.The receiving terminal wavelength-division component 22A includes a receiving terminal wavelength-division optical filter 221A and one
It receives terminal reflector 222A, the receiving terminal wavelength-division optical filter 221A and receiving end optical assembly 21A and determines that angle, θ is solid in one
Fixed, the reception terminal reflector 222A and receiving terminal wavelength-division optical filter 221A determines angle in oneIt is fixed, the reception
It holds wavelength-division optical filter 221A and described to receive terminal reflector 222A institute angled so that the incidence receiving terminal wavelength-division component 22A
Closing light signal can be detached and is refracted to the receiving terminal optical assembly 21A.The incident receiving terminal wavelength-division filter of closing light signal
After mating plate 221A, the optical signal of specific wavelength is reflected into the reception terminal reflector by the receiving terminal wavelength-division optical filter 221A
222A, then by the incident receiving terminal collimation lens pipe cap 213A after reception terminal reflector 222A reflections, connect by described
The incident receiving terminal semiconductor probe chip 212A after receiving end collimation lens pipe cap 213A.Due to the receiving terminal optical assembly
21A receives the optical signal of specific wavelength, and the receiving terminal wavelength-division optical filter 221A for installation of being corresponding to it can will be corresponding
The optical signal of specific wavelength reflects, when it is the transmitting terminal optical assembly 11 to change the receiving terminal optical assembly 21A, the reception
End wavelength-division component 22A can be used as the transmitting terminal wavelength-division component 12 and not have to be replaced or adjusted.Can by by institute
It states receiving terminal optical assembly 21A and is changed to the transmitting terminal optical assembly 11, the receiving portion 20 is converted into the emitting portion
10.It should be noted that the variant of the receiving terminal optical assembly 21 and the receiving terminal wavelength-division component 22 is not limited to described connect
The receiving end optical assembly 21A and receiving terminal wavelength-division component 22A.
It is illustrated in figure 5 the schematic diagram of the emitting portion 10, to install the institute there are four the transmitting terminal optical assembly 11
For stating emitting portion 10.Four transmitting terminal optical assemblies 11 send out the parallel optical signal with different wave length respectively, four kinds
The parallel optical signal incident transmitting terminal wavelength-division component 12 respectively, after the reflection of the transmitting terminal wavelength-division component 12 successively into
Traveling wave divides multiplexing process, forms closing light signal, the subsequent incident transmitting terminal light path adjustment block 13 of closing light signal, by the light
After the reflection of road adjustment block 13, the optical axis coincidence of the optical axis of closing light signal and the transmitting terminal fiber adapter 15, closing light signal
It finally focuses and is coupled on the transmitting terminal fiber adapter 15 by the transmitting terminal collimation lens 14.Refer to it is noted that
The transmitting terminal collimation lens 14 and the transmitting terminal fiber adapter 15 are integrated.The structure of the receiving portion 20 and institute
The structure for stating emitting portion 10 is similar, and can be by replacing the transmitting terminal optical assembly 11 and the receiving terminal optical assembly 21
To be converted.
It is illustrated in figure 6 a kind of packaging method flow chart of multichannel coaxial packaging structure of the present invention, to include one
For the multichannel coaxial packaging structure of the emitting portion 10 and a receiving portion 20.First collimation lens
It is mounted and fixed in the transmitting terminal fiber adapter 15 and the receiving terminal fiber adapter 25.It is aligned without optical coupling,
Can directly with collimation lens the transmitting terminal fiber adapter 15 and the receiving terminal fiber adapter 25, using industry
The laser welder of standard is directly welded on the shell of opto-electronic device.It is equally aligned without optical coupling, uses the side of gluing successively
Formula installs and fixes the transmitting terminal wavelength-division optical filter 121 and the receiving terminal wavelength-division optical filter 221.Then in the transmitting terminal
A branch of feux rouges is squeezed into fiber adapter 15 and the receiving terminal fiber adapter 25, is adjusted by adjusting the transmitting terminal light path
Block 13 and the receiving terminal light path adjustment block 23 determine and are incident on the nearest transmitting terminal wavelength-division optical filter 121 of distance and institute
State the light path of receiving terminal wavelength-division optical filter 221 respectively with the transmitting terminal fiber adapter 15 and the receiving terminal fiber adapter
After 25 light path alignment, the fixed transmitting terminal light path adjustment block 13 and the receiving terminal light path adjustment block 23.
When the transmitting terminal optical assembly 11 is installed, the transmitting of the neighbouring transmitting terminal fiber adapter 15 is installed first
Optical assembly 11 is held, it is powered up luminous, the luminous power of 15 emergent light of transmitting terminal fiber adapter is monitored, described in adjusting
The position of transmitting terminal optical assembly 11 is until obtain maximum Output optical power, then be welded and fixed using standard laser welding machine.
And so on, the transmitting terminal optical assembly 11 of rest channels is adjusted and is welded and fixed.
Equally it is the institute for installing the neighbouring receiving terminal fiber adapter 25 first when the receiving terminal optical assembly 21 is installed
Receiving terminal optical assembly 21 is stated, from the light of the incident corresponding wavelength of the receiving terminal fiber adapter 25, monitors the corresponding receiving terminal
The photoelectric current of optical assembly 21, until obtaining maximum photoelectric current, is then adopted by adjusting the position of the receiving terminal optical assembly 21
It is welded and fixed with standard laser welding machine or is fixed by way of gluing.Equally, remaining is led to using similar method
The receiving terminal optical assembly 21 in road is adjusted and is fixed.After the completion of technique is made, single channel is tested one by one, then to whole
Multichannel carries out the test of closing light or light splitting, it is ensured that its performance indicator is qualified.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (14)
1. a kind of multichannel coaxial packaging structure, which is characterized in that including：
An at least emitting portion, the emitting portion include at least two transmitting terminal optical assemblies, at least two transmitting terminal wavelength-division groups
Part, a transmitting terminal light path adjustment block, a transmitting terminal collimation lens and a transmitting terminal fiber adapter, wherein the transmitting terminal light
Component is removably connect with the emitting portion, the transmitting terminal wavelength-division component it is identical as the transmitting terminal optical assembly quantity and
It is fixedly installed in correspondingly inside the emitting portion, the transmitting terminal light path adjustment block is installed in the emitting portion
Portion, the transmitting terminal fiber adapter are installed on the emitting portion, and the transmitting terminal collimation lens is installed on the transmitting terminal
Inside fiber adapter and with the same optical axis of transmitting terminal fiber adapter, the transmitting terminal light path adjustment block includes a total reflection
Prism and a sleeve, the total reflection prism is installed on the sleeve, and the total reflection prism is with the rotation of the sleeve
And rotate, described two opposite reflectings surface of transmitting terminal light path adjustment block are coated with highly reflecting films, wherein the transmitting terminal wavelength-division
Component receives the optical signal that the transmitting terminal optical assembly is sent out, and the transmitting terminal wavelength-division component will enter after optical signal closing light
Penetrate the light path adjustment block, the light path adjustment block by closing light signal adjust to the transmitting terminal fiber adapter with optical axis simultaneously
The incident transmitting terminal fiber adapter, the multichannel optical signal that the transmitting terminal wavelength-division component sends out transmitting terminal optical assembly
Carry out wavelength-division multiplex.
2. multichannel coaxial packaging structure as described in claim 1, which is characterized in that including：
An at least receiving portion, the receiving portion include at least two receiving terminal optical assemblies, at least two receiving terminal wavelength-division groups
Part, a receiving terminal light path adjustment block, a receiving terminal collimation lens and a receiving terminal fiber adapter, wherein the receiving terminal light
Component is removably connect with the receiving portion, the receiving terminal wavelength-division component it is identical as the receiving terminal optical assembly quantity and
It is fixedly installed in correspondingly inside the receiving portion, the receiving terminal light path adjustment block is installed in the receiving portion
Portion, the receiving terminal fiber adapter are installed on the receiving portion, and the receiving terminal collimation lens is installed on the receiving terminal
Inside fiber adapter and with the same optical axis of receiving terminal fiber adapter, wherein the receiving terminal fiber adapter, which receives, to be closed
Optical signal is simultaneously incident in the receiving terminal light path adjustment block, and the optical axis of closing light signal will be by the receiving terminal light path adjustment block tune
The whole and incident receiving terminal wavelength-division component, the receiving terminal wavelength-division component pairing optical signal wavelength-division demultiplexing.
3. multichannel coaxial packaging structure as described in claim 1, which is characterized in that the emitting portion includes at least two
Receiving terminal optical assembly, at least two transmitting terminal wavelength-division components, a transmitting terminal light path adjustment block, a transmitting terminal collimation lens and one
Transmitting terminal fiber adapter, wherein the transmitting terminal optical assembly is removably connect with the emitting portion, the transmitting terminal wave
Subassembly is identical as the transmitting terminal optical assembly quantity and is fixedly installed in correspondingly inside the emitting portion, the hair
End light path adjustment block to be penetrated to be installed on inside the emitting portion, the transmitting terminal fiber adapter is installed on the emitting portion,
The transmitting terminal collimation lens is installed on inside the transmitting terminal fiber adapter and shares the same light with the transmitting terminal fiber adapter
Axis, wherein the transmitting terminal fiber adapter receives closing light signal and is incident in the transmitting terminal light path adjustment block, closing light letter
Number optical axis will be adjusted by the transmitting terminal light path adjustment block and the incident transmitting terminal wavelength-division component, the transmitting terminal wavelength-division group
Part pairing optical signal wavelength-division demultiplexes.
4. the multichannel coaxial packaging structure as described in claim 1 or 3, which is characterized in that the transmitting terminal wavelength-division component packet
A transmitting terminal wavelength-division optical filter is included, the transmitting terminal wavelength-division optical filter is fixed with the transmitting terminal optical assembly in a determination angle,
The parallel optical signal being emitted from the transmitting terminal optical assembly is parallel with others by the reflection of the transmitting terminal wavelength-division optical filter
Optical signal converges simultaneously coaxial.
5. multichannel coaxial packaging structure as claimed in claim 4, which is characterized in that the transmitting terminal optical assembly includes a hair
Penetrate end canister, a transmitting terminal semiconductor laser chip and a transmitting terminal collimation lens, the transmitting terminal semiconductor laser
For the direct level Hermetic Package of chip inside the transmitting terminal canister, the transmitting terminal collimation lens is installed on the transmitting terminal gold
Belong to the exit portal of container, the optical signal that the transmitting terminal semiconductor laser chip is sent out becomes after the transmitting terminal collimation lens
It is emitted for parallel optical signal.
6. multichannel coaxial packaging structure as described in claim 1, which is characterized in that the transmitting terminal optical assembly includes a hair
End canister is penetrated, window pipe cap, the transmitting terminal semiconductor laser are held in a transmitting terminal semiconductor laser chip and a transmitting level with both hands
The direct level Hermetic Package of chip inside the transmitting terminal canister, hold window pipe cap level with both hands and be installed on the transmitting terminal gold by the transmitting
Belong to the exit portal of container, the optical signal that the transmitting terminal semiconductor laser chip is sent out is held window pipe cap level with both hands by the transmitting and gone out
It penetrates.
7. multichannel coaxial packaging structure as claimed in claim 6, which is characterized in that the transmitting terminal wavelength-division component includes one
Transmitting terminal wavelength-division optical filter and the external collimation lens of a transmitting terminal, the transmitting terminal wavelength-division optical filter and the transmitting terminal optical assembly
It is fixed in a determination angle, the external collimation lens of transmitting terminal is located at the transmitting and holds window pipe cap and the transmitting terminal wavelength-division level with both hands
Between optical filter, and the external collimation lens of the transmitting terminal holds the parallel fixation of window pipe cap level with both hands with the transmitting, from the transmitting terminal
The optical signal of optical assembly outgoing becomes parallel optical signal after the external collimation lens of the transmitting terminal, and parallel optical signal passes through institute
It states the reflection of transmitting terminal wavelength-division optical filter and other parallel optical signals converges and coaxial.
8. multichannel coaxial packaging structure as claimed in claim 2 or claim 3, which is characterized in that the receiving terminal optical assembly includes
One receiving terminal canister, a receiving terminal semiconductor probe chip and a receiving terminal collimation lens pipe cap, the receiving terminal half
Inside the receiving terminal canister, the receiving terminal collimation lens pipe cap is installed on the direct level Hermetic Package of conductor detection chip
The entrance port of the receiving terminal canister.
9. multichannel coaxial packaging structure as claimed in claim 2, which is characterized in that the receiving terminal wavelength-division component includes one
Receiving terminal wavelength-division optical filter and one receives terminal reflector, and the receiving terminal wavelength-division optical filter is true in one with the receiving terminal optical assembly
Determine angle to fix, the reception terminal reflector is fixed with the receiving terminal wavelength-division optical filter in a determination angle, the receiving terminal
Wavelength-division optical filter and described receive the angled closing light signal for enabling the incidence receiving terminal wavelength-division component of terminal reflector institute
It is detached and is refracted to the receiving terminal optical assembly.
10. a kind of packaging method of multichannel coaxial packaging structure as described in any one of claim 1 to 9 claim,
It is characterised in that it includes step：
(A) fiber adapter of the installation with collimation lens；
(B) transmitting terminal wavelength-division component and receiving terminal wavelength-division component are installed；
(C) light path adjustment block is adjusted, determines coaxial optical path, and fixed optical path adjustment block；
(D) transmitting terminal optical assembly and receiving terminal optical assembly are installed, optical registration, and stationary light component are carried out；
(E) detection verification performance indicator.
11. the packaging method of multichannel coaxial packaging structure as claimed in claim 10, which is characterized in that when installation transmitting terminal
When optical assembly, the step (D) further comprises：
(D1) since adjacent fiber adapter, transmitting terminal optical assembly is installed successively；
(D2) by monitoring the Output optical power of fiber adapter, carrying out optical registration successively to transmitting terminal optical assembly and consolidating successively
It is fixed.
12. the packaging method of multichannel coaxial packaging structure as claimed in claim 11, which is characterized in that the step (E)
For：Detection verification performance indicator after closing light.
13. the packaging method of multichannel coaxial packaging structure as claimed in claim 10, which is characterized in that when installation receiving terminal
When optical assembly, the step (D) further comprises：
(D1) since adjacent fiber adapter, receiving terminal optical assembly is installed successively；
(D2) by monitoring receiving terminal optical assembly output light electric current, carrying out optical registration successively to receiving terminal optical assembly and consolidating successively
It is fixed.
14. the packaging method of multichannel coaxial packaging structure as claimed in claim 13, which is characterized in that the step (E)
For：Detection verification performance indicator after light splitting.
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| CN201610767103.XA CN106226872B (en) | 2016-08-30 | 2016-08-30 | A kind of multichannel coaxial packaging structure and packaging method |
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| CN201610767103.XA CN106226872B (en) | 2016-08-30 | 2016-08-30 | A kind of multichannel coaxial packaging structure and packaging method |
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| CN107088542A (en) * | 2017-04-13 | 2017-08-25 | 金梦 | Multi-cavity sleeve pipe laparoscope cleans fume extractor |
| CN116848807A (en) * | 2021-10-21 | 2023-10-03 | 华为技术有限公司 | Transistor shell package, preparation method thereof, optical device, optical module and optical network system |
| CN114070414B (en) * | 2021-11-09 | 2023-04-11 | 中国电子科技集团公司第二十九研究所 | Multichannel radio frequency light receiving arrangement |
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