CN109714102A - A kind of optical communication optical filters spectrogram test macro - Google Patents
A kind of optical communication optical filters spectrogram test macro Download PDFInfo
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- CN109714102A CN109714102A CN201910048865.8A CN201910048865A CN109714102A CN 109714102 A CN109714102 A CN 109714102A CN 201910048865 A CN201910048865 A CN 201910048865A CN 109714102 A CN109714102 A CN 109714102A
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Abstract
The present invention relates to a kind of optical communication optical filters spectrogram test macros, including light source, light emitting end, optical receiving end, objective table, spectrum scanner and processing unit, the instrument connection through objective table top and bottom is provided on the objective table, the light emitting end is located at right above objective table and corresponding with the instrument connection, the optical receiving end is located at immediately below objective table and corresponding with the instrument connection, optical receiving end described in the vertical face of light emitting end, light in the light source is projected through light emitting end, instrument connection through optical filter and objective table to be measured on objective table, spectrum scanner is imported into through optical receiving end again, the spectrum scanner is used to measure the spectroscopic data of optical filter to be measured, the processing unit is used to judge according to the spectroscopic data that spectrum scanner measures the quality of the spectral characteristic of optical filter, the present invention is read using machine Access according to and software automatic analysis method, realize optical communication optical filters spectral characteristic efficiently, accurate detection.
Description
Technical field
The invention belongs to optic communication class optical filter testing fields, and in particular to a kind of optical communication optical filters spectrogram test system
System.
Background technique
Optic communication is exactly the communication using light wave as carrier wave, in the 1930s, it has been proposed that such viewpoint: " always having one
Its optic communication can replace wired and microwave communication and become communication mainstream ".The viewpoint reflects that Fibre Optical Communication Technology is logical in future
Its importance is had shown that in letter.Today, optical communication technique is very mature, and fiber optic communication has been the main of various communication networks
Transmission mode, fiber optic communication play vital role in construction of information expressway, realize optical fiber now and arrive
Office arrives family, and optical communication optical filters are then essential a part in optical fiber communication equipment, the Spectral Properties of optical filter
Property detection checking on as optical filtering tablet quality, it appears it is particularly important.
Routine test means are that importing formula is converted by the optical transmission spectra of spectrophotometer test product, then manually
DB value goes whether judgement product is qualified to classify with product type according to setting target parameterized template, or using spectrum scanner test
Spectroscopic data, then it is artificial read needed within the scope of test wavelength data determined, artificial mobile cursor read data time-consuming compared with
Long, low efficiency is easy to appear error and fails to judge and determines.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of optical communication optical filters spectrogram test macro, and the system is real-time
Any band spectrum of scanning survey optical filter and data simultaneously determine automatically, with solve the detection of optic communication filter plate optical characteristics and
The problems such as product classification is easy to miss inspection because manual operation efficiency is low, erroneous judgement, technical scheme is as follows:
A kind of optical communication optical filters spectrogram test macro, including light source, light emitting end, optical receiving end, objective table, spectrum
Scanner and processing unit are provided with the instrument connection through objective table top and bottom on the objective table, and the light emitting end is located at
It is right above objective table and corresponding with the instrument connection, the optical receiving end be located at objective table underface and with the instrument connection phase
It corresponds to, optical receiving end described in the vertical face of light emitting end, the light in the light source is projected through light emitting end, through on objective table
Optical filter and objective table to be measured instrument connection, then imported into spectrum scanner through optical receiving end, the spectrum scanner is used for
The spectroscopic data of optical filter to be measured is measured, the spectroscopic data judgement that the processing unit is used to measure according to spectrum scanner filters
The quality of the spectral characteristic of piece.
Further, the system also includes optical splitter and light power meter, the light that the optical receiving end receives is through excessive
Light device rear portion imported into spectrum scanner, and another part imported into light power meter, and the light power meter is imported for measuring
The power of light into light power meter.
Further, the system also includes fixed platform, the fixed platform includes that upper fixed platform and lower fixation are flat
Platform, the light emitting end are set on fixed platform, and the optical receiving end is set in the lower fixed platform.
Further, the restriction range of all spectroscopic datas is previously provided in the processing unit, if spectral scan
Each spectroscopic data of instrument measurement then judges the spectral characteristic of tested optical filter within the scope of the restriction of corresponding spectroscopic data
It is good.
Preferably, it is also previously provided with classification Rule of judgment in the processing unit, according to the spectrum number of tested optical filter
The optical filter generic is judged according to classification Rule of judgment.
Further, the system also includes display unit, the display unit is electrically connected with the processing unit, is used for
Show the test result of tested optical filter.
Further, the system also includes interchanger, the spectrum scanner passes through interchanger and the processing unit
Electrical connection.
Further, the adjustable angle of the objective table and horizontal plane.
Further, the spectrum scanner is MS9740A spectrum scanner.
Beneficial effects of the present invention:
The present invention for current optical communication optical filters optical characteristics detection and screening still rely on manual testing's data again into
The case where row determines proposes to realize optical communication optical filters spectral characteristic using machine reads and software automatic analysis method
Efficiently, accurate detection, and the synchronous product type that carries out is classified automatically, automatic storage data improve production efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of optical communication optical filters spectrogram test macro provided in an embodiment of the present invention；
Description of symbols: 1, light source, 2, light emitting end, 3, optical receiving end, 4, objective table, 5, optical filter to be measured, 6, on
Fixed platform, 7, lower fixed platform, 8, optical splitter, 9, spectrum scanner, 10, light power meter, 11, interchanger, 12, processing list
Member, 13, flanged ends.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only present invention a part, instead of all the embodiments.Based on the present invention
In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of optical communication optical filters spectrogram test macro provided by the invention, including light source 1, light emitting
2, optical receiving end 3, objective table 4, spectrum scanner 9 and processing unit 12 are held, is provided on the objective table 4 through objective table 4
The instrument connection of top and bottom, the light emitting end 2 is located at right above objective table 4 and, the light-receiving corresponding with the instrument connection
End 3 is located at immediately below objective table 4 and, the light emitting end 2 vertical face described in optical receiving end 3 corresponding with the instrument connection,
Light in the light source 1 is projected through light emitting end 2, the instrument connection through optical filter to be measured 5 and objective table 4 on objective table 4, then is passed through
Optical receiving end 3 imported into spectrum scanner 9, and the spectrum scanner 9 is used to measure the spectroscopic data of optical filter 5 to be measured, described
Processing unit 12 is used to judge according to the spectroscopic data that spectrum scanner 9 measures the quality of the spectral characteristic of optical filter.
In the present embodiment, the processing unit 12 is preferably PC machine, and test data and processing result can store in PC machine
In included storage unit, the spectrum scanner 9 is preferably MS9740A spectrum scanner, and the light source 1 is preferably ASE-
LIGHT SOURCE light source.
Preferably, the system also includes optical splitter 8 and light power meter 10, in the present embodiment, the optical splitter 8 is preferably
Boxlike one-to-two optical splitter, the light power meter 1010 are preferably AV6334 light power meter 10, what the optical receiving end 3 received
Light imported into spectrum scanner 9 by 8 rear portion of optical splitter, and another part imported into light power meter 10, the light power meter
10 for measuring the power for the light importeding into light power meter 10, by the optical power and known load that imported into light power meter 10
Object platform 4 imported into the etalon optical power of light power meter 10 in some nominal tilt angle, it can be determined that 4 tilt angle of objective table
It is whether accurate.For example, as it is known that (i.e. tilt angle is 0) imported into the standard light function of light power meter 10 when objective table 4 is horizontally arranged
Rate is ndBm, and n can be a value range, then when the optical power that the system is input to light power meter 10 is more than or less than n, then
Judge that objective table 4 may be horizontally arranged, survey crew can check whether objective table 4 is horizontally arranged at this time, and adjust loading
Platform 4 is to level.
Preferably, the system also includes fixed platform, the fixed platform includes upper fixed platform 6 and lower fixed platform
7, the light emitting end 2 is set on fixed platform 6, and the optical receiving end 3 is set in the lower fixed platform 7.
Preferably, the restriction range of all spectroscopic datas is previously provided in the processing unit 12, if spectral scan
Each spectroscopic data that instrument 9 measures then judges the Spectral Properties of tested optical filter within the scope of the restriction of corresponding spectroscopic data
Property it is good, otherwise judge that the spectral characteristic of tested optical filter is bad.
Preferably, it is also previously provided with classification Rule of judgment in the processing unit 12, according to the spectrum of tested optical filter
Data and classification Rule of judgment judge the optical filter generic.
Preferably, the system also includes display unit, the display unit is electrically connected with the processing unit 12, is used for
Show the test result of tested optical filter.
For example, optical filter 5 to be measured is 984 diaphragms, preferentially 984 diaphragms are screened, first acquire 1200nm-1700nm wavelength model
The spectroscopic datas such as the corresponding isolation of interior wavelength or differential loss are enclosed, whether the first priority check measurement data meets 1625nm isolation
The condition of >=30dB, 1550nm isolation >=37dB, 1480~1500nm Insertion Loss≤0.3dB, determine whether diaphragm meets with this
984 features impose a condition if meeting, belong to OK product, are NG product if being unsatisfactory for imposing a condition, and will determine result and measurement number
According to showing on the display unit.
If meet 984 diaphragms impose a condition if carry out kind judging again, according to pre-set classification Rule of judgment into
Row differentiates the optical filter classification, for example, limit TA-984.5 class condition, i.e., meet simultaneously 1625nm isolation >=30dB,
1310nm&1550nm isolation >=37dB, 1450nm&1530nm isolation >=30dB and 1479-1503nm differential loss≤0.3dB
Condition is screened, if meeting TA-984.5 class condition, shows " TA-984.5 " by display unit；If not meeting TA-
984.5, then meet 1625nm isolation >=30dB, 1310nm& simultaneously successively according to TB-984.5 class condition is limited again
1550nm isolation >=37dB, 1450nm&1530nm isolation >=30dB and 1480-1502nm differential loss≤0.3dB condition into
Row screening, if meeting TB-984.5 class condition, shows " TB-984.5 " by display unit；If not meeting TB-984.5,
Successively meet 1625nm isolation >=30dB, 1310nm&1550nm isolation simultaneously according to TC-984.5 class condition is limited again
>=37dB, 1450nm&1530nm isolation >=30dB and 1480-1500nm differential loss≤0.3dB condition is screened, if meeting
TC-984.5 class condition, then show " TC-984.5 " by display unit；If not meeting TC-984.5, then successively according to restriction
984.2 class conditions meet 1625nm isolation >=30dB, 1310nm&1550nm isolation >=37dB and 1480- simultaneously
1500nm differential loss≤0.3dB condition is screened, if meeting 984.2 class conditions, shows " 984.2 " by display unit.
Preferably, the system also includes interchanger 11, the spectrum scanner 9 is single by interchanger 11 and the processing
Member 12 is electrically connected, and spectrum scanner 9 is electrically connected interchanger 11 by cable with processing unit 12, forms local area network.
Preferably, the adjustable angle of the objective table 4 and horizontal plane, for example, it is desired to as 45 degree of optical filtering built-in testings
When system, only objective table 4 need to be tilted 45 degree.
Preferably, the output lead of light source 1 is FC/APC-FC/PC wire jumper, the FC/APC-FC/PC wire jumper and light of light source 1
The reference line of transmitting terminal 2 is connected by flanged ends 13, the reference line of optical receiving end 3 and the reference line of 8 input terminal of optical splitter
It is connected by flanged ends 13, the reference line of 8 first output end of optical splitter and the FC/PC-FC/PC of 10 input terminal of light power meter
Wire jumper is connected by flanged ends 13, the reference line of 8 second output terminal of optical splitter and the reference line of 9 input terminal of spectrum scanner
It is connected by flanged ends 13.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of optical communication optical filters spectrogram test macro, which is characterized in that the system comprises light source, light emitting end, light
Receiving end, objective table, spectrum scanner and processing unit are provided with the test through objective table top and bottom on the objective table
Hole, the light emitting end are located at right above objective table and corresponding with the instrument connection, and the optical receiving end is being located at objective table just
Lower section and, the light emitting end vertical face described in optical receiving end corresponding with the instrument connection, the light in the light source is through light
Transmitting terminal projects, the instrument connection through optical filter and objective table to be measured on objective table, then imported into spectral scan through optical receiving end
Instrument, the spectrum scanner are used to measure the spectroscopic data of optical filter to be measured, and the processing unit is used for according to spectrum scanner
The spectroscopic data of measurement judges the quality of the spectral characteristic of optical filter.
2. optical communication optical filters spectrogram test macro according to claim 1, which is characterized in that the system also includes
Optical splitter and light power meter, the light that the optical receiving end receives imported into spectrum scanner by optical splitter rear portion, separately
A part imported into light power meter, and the light power meter is used to measure the power for the light importeding into light power meter.
3. optical communication optical filters spectrogram test macro according to claim 1, which is characterized in that the system also includes
Fixed platform, the fixed platform include upper fixed platform and lower fixed platform, and the light emitting end is set to fixed
On platform, the optical receiving end is set in the lower fixed platform.
4. optical communication optical filters spectrogram test macro according to claim 1, which is characterized in that in the processing unit
It is previously provided with the restriction range of all spectroscopic datas, if each spectroscopic data of spectrum scanner measurement is in corresponding light
Within the scope of the restriction of modal data, then judge that the spectral characteristic of tested optical filter is good.
5. optical communication optical filters spectrogram test macro according to claim 4, which is characterized in that the system also includes
Display unit, the display unit are electrically connected with the processing unit, for showing the test result of tested optical filter.
6. optical communication optical filters spectrogram test macro according to claim 5, which is characterized in that in the processing unit
It is also previously provided with classification Rule of judgment, the optical filter is judged according to the spectroscopic data of tested optical filter and classification Rule of judgment
Generic.
7. optical communication optical filters spectrogram test macro according to claim 1, which is characterized in that the system also includes
Interchanger, the spectrum scanner are electrically connected by interchanger with the processing unit.
8. optical communication optical filters spectrogram test macro according to claim 1, which is characterized in that the objective table and water
The adjustable angle of plane.
9. optical communication optical filters spectrogram test macro according to claim 1, which is characterized in that the spectrum scanner
For MS9740A spectrum scanner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048865.8A CN109714102A (en) | 2019-01-18 | 2019-01-18 | A kind of optical communication optical filters spectrogram test macro |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048865.8A CN109714102A (en) | 2019-01-18 | 2019-01-18 | A kind of optical communication optical filters spectrogram test macro |
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| CN109714102A true CN109714102A (en) | 2019-05-03 |
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| JP2003075345A (en) * | 2001-08-31 | 2003-03-12 | Sony Corp | Transmittance measuring device for luminous energy correction filter and transmittance measuring method therefor |
| CN1570586A (en) * | 2004-04-30 | 2005-01-26 | 宁波大学 | Automatic detecting device for spike filter |
| CN1993608A (en) * | 2004-07-30 | 2007-07-04 | 夏普株式会社 | Method and apparatus for inspecting color filter |
| CN102279161A (en) * | 2011-05-12 | 2011-12-14 | 广州市光机电技术研究院 | Automatic test screening system for continuous spectrum |
| CN203241217U (en) * | 2013-04-11 | 2013-10-16 | 吴天昊 | Optical transmittance detector |
| CN203849001U (en) * | 2014-05-28 | 2014-09-24 | 奥普镀膜技术（广州）有限公司 | Optical filter four-point test apparatus |
| CN203849002U (en) * | 2014-05-28 | 2014-09-24 | 奥普镀膜技术（广州）有限公司 | 45-degree optical filter testing apparatus |
| CN105115907A (en) * | 2015-08-17 | 2015-12-02 | 中国科学院等离子体物理研究所 | Measuring device for optical filter spectrum transmittance |
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2019
- 2019-01-18 CN CN201910048865.8A patent/CN109714102A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003075345A (en) * | 2001-08-31 | 2003-03-12 | Sony Corp | Transmittance measuring device for luminous energy correction filter and transmittance measuring method therefor |
| CN1570586A (en) * | 2004-04-30 | 2005-01-26 | 宁波大学 | Automatic detecting device for spike filter |
| CN1993608A (en) * | 2004-07-30 | 2007-07-04 | 夏普株式会社 | Method and apparatus for inspecting color filter |
| CN102279161A (en) * | 2011-05-12 | 2011-12-14 | 广州市光机电技术研究院 | Automatic test screening system for continuous spectrum |
| CN203241217U (en) * | 2013-04-11 | 2013-10-16 | 吴天昊 | Optical transmittance detector |
| CN203849001U (en) * | 2014-05-28 | 2014-09-24 | 奥普镀膜技术（广州）有限公司 | Optical filter four-point test apparatus |
| CN203849002U (en) * | 2014-05-28 | 2014-09-24 | 奥普镀膜技术（广州）有限公司 | 45-degree optical filter testing apparatus |
| CN105115907A (en) * | 2015-08-17 | 2015-12-02 | 中国科学院等离子体物理研究所 | Measuring device for optical filter spectrum transmittance |
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Application publication date: 20190503 |