CN208026918U - A kind of polarization maintaining optical fibre LD couplings debugging apparatus - Google Patents

Abstract

The utility model is related to a kind of polarization maintaining optical fibre LD to couple debugging apparatus, more particularly to laser fiber coupling technique field.This polarization maintaining optical fibre LD couplings debugging apparatus includes clamping device, feed back debugging mechanism, the clamping device includes electric rotary table or manual rotation platform, shell stationary fixture, the electronic adjustment frame of five dimensions or five dimensions manually adjust frame, shell is equipped in the shell stationary fixture, optical fiber head is equipped with above the shell, the electronic adjustment frame of five dimensions or five dimension manually adjust frame upper end and are equipped with clamping fixture, the optical fiber head is clamped in the clamping fixture, the feedback debugging mechanism includes DC power supply, laser diode, 1*2 polarization-maintaining couplers, extinction ratio tester, power meter, computer, controller, such structure design makes this device applicability wide, it realizes to being monitored while coupling and polarization extinction ratio, the performance of device has been effectively ensured, also the speed of polarization maintaining optical fibre coupling is substantially increased.

Description

A kind of polarization maintaining optical fibre LD couplings debugging apparatus

Technical field

The utility model is related to laser fiber coupling technique field more particularly to a kind of polarization maintaining optical fibre LD coupling debugging dresses It sets.

Background technology

With the continuous development of technology, the welding of present laser diode fiber automatic coupling or adhesive suction devices, no matter from soft Part or hardware aspect all comparative maturities, but by investigating from the point of view of, it is most of be all by monitor coupling efficiency or Power itself is monitored, the criterion of debugging is used as, in this case, for two pole of polarization maintaining optical fibre line laser for having polarization-maintaining to require For pipe coupling, it is inadequate only to monitor coupling efficiency or monitoring power itself, it is necessary to monitor polarization extinction ratio （PER）The case where, coupling efficiency and polarization extinction ratio must simultaneously meet the requirement that condition can be only achieved debugging, then final logical It crosses laser and carries out welding or gluing.

Invention content

（1）Technical problems to be solved

The purpose of this utility model be for by and meanwhile monitor coupling efficiency and polarization extinction ratio and meet polarization maintaining optical fibre The problem of decoupling calls, a kind of polarization maintaining optical fibre LD coupling debugging apparatus provided.

（2）Technical solution

In order to solve deficiency in the prior art, the utility model provides such a polarization maintaining optical fibre LD couplings debugging dress It sets, the technical solution adopted in the utility model is：

A kind of polarization maintaining optical fibre LD couples debugging apparatus, including clamping device, feedback debugging mechanism, the clamping device include Electric rotary table or manual rotation platform, set on the electric rotary table or manual rotation platform upper end shell stationary fixture, The electronic adjustment frame of five dimensions or five dimensions on the right side of the electric rotary table or the manual rotation platform manually adjust frame, the shell It is equipped with shell in body stationary fixture, optical fiber head is equipped with above the shell, the electronic adjustment frame of five dimensions or five dimension are manual Adjustment frame upper end is equipped with clamping fixture, and the optical fiber head is clamped in the clamping fixture, and the feedback debugging mechanism includes direct current Source, the laser diode being arranged in the electric rotary table or the manual rotation platform, 1*2 polarization-maintaining couplers, extinction ratio are surveyed Instrument, power meter, computer, controller are tried, the DC power supply is connected by electric wire with the laser diode, the optical fiber Head by optical fiber cable and the 1*2 polarization-maintaining couplers welding, the 1*2 polarization-maintaining couplers by optical fiber cable respectively with the delustring It is connected than tester, the power meter, the controller is electronic with the electric rotary table, five dimension respectively by optical fiber cable Adjustment frame connects, and the extinction ratio tester, the power meter, the controller are connected by optical fiber cable and the computer respectively It connects.

Preferably, the extinction ratio tester is respectively equipped with the display screen that can show test value with the power meter.

（3）Advantageous effect

The utility model connects the electronic adjustment frame of five dimensions and electric rotary table by the way that controller is arranged, and realizes to shell and light Then the purpose of fine multi-direction adjusting connects 1*2 polarization-maintaining couplers in optical fiber head, setting DC power supply is supplied to laser diode Laser is divided into two-way by electricity, is inputted in extinction ratio tester all the way, in another way input power meter, then by extinction ratio Computer is connected on tester and power meter, it, then will meter to the data calculation processing that extinction ratio tester and power meter are fed back Calculation machine connects controller, and by the data feedback of processing to controller, controller can be to electric rotary table and five dimension electric adjustables Whole frame automatically adjusts, and accurate welding or gluing is finally carried out, if it is considered that cost reason, electric rotary table is changed into manually Turntable changes the five electronic adjustment frames of dimension into five dimensions and manually adjusts frame, then cancels computer and controller, extinction ratio tester It is directly displayed on respective display screen with the data of power meter feedback, it is then manual by adjusting manual rotation platform and five dimensions manually Adjustment frame, such structure design applicability is wide, realizes to being monitored while coupling and polarization extinction ratio, is effectively ensured The performance of device also substantially increases the speed of polarization maintaining optical fibre coupling.

Description of the drawings

Fig. 1 is the structural schematic diagram of the automatic adjustment scheme of the utility model.

Fig. 2 is the structural schematic diagram of the manual adjustment scheme of the utility model.

In attached drawing label for：100- clamping devices, 200- feed back debugging mechanism, 1- electric rotary tables, 101- manual rotations Platform, 2- shell stationary fixtures, 3- five tie up electronic adjustment frame, and the dimensions of 301- five manually adjust frame, 4- shells, 5- optical fiber heads, 31- clampings Fixture, 6- DC power supplies, 7- laser diodes, 8-1*2 polarization-maintaining couplers, 9- extinction ratio testers, 10- power meters, 11- are calculated Machine, 12- controllers.

Specific implementation mode

The utility model is further described in conjunction with the accompanying drawings and embodiments.

Embodiment 1

Referring to Fig. 1, a kind of polarization maintaining optical fibre LD couplings debugging apparatus described in the utility model, including clamping device 100, Debugging mechanism 200 is fed back, the clamping device 100 includes electric rotary table 1, the shell set on 1 upper end of the electric rotary table Stationary fixture 2, the five electronic adjustment frames 3 of dimension set on 1 right side of the electric rotary table, the shell stationary fixture 2 is interior to be equipped with shell Body 4,4 top of the shell are equipped with optical fiber head 5, and electronic 3 upper end of adjustment frame of five dimension is equipped with clamping fixture 31, the holing clip The 31 clamping optical fiber head 5 of tool, the feedback debugging mechanism 200 include DC power supply 6, are arranged in the electric rotary table 1 Laser diode 7,1*2 polarization-maintaining couplers 8, extinction ratio tester 9, power meter 10, computer 11, controller 12, it is described straight Galvanic electricity source 6 is connected by electric wire with the laser diode 7, and the optical fiber head 5 is coupled by optical fiber cable with the 1*2 polarization-maintainings 8 welding of device, the 1*2 polarization-maintaining couplers 8 are connect with the extinction ratio tester 9, the power meter 10 respectively by optical fiber cable, The controller 12 is tieed up electronic adjustment frame 3 with the electric rotary table 1, described five respectively by optical fiber cable and is connect, the delustring It is connect respectively with the computer 11 by optical fiber cable than tester 9, the power meter 10, the controller 12.

Embodiment 2

Referring to Fig. 2, a kind of polarization maintaining optical fibre LD couplings debugging apparatus described in the utility model, including clamping device 100, Debugging mechanism 200 is fed back, the clamping device 100 includes manual rotation platform 101, set on 101 upper end of manual rotation platform Shell stationary fixture 2, five dimensions set on 101 right side of the manual rotation platform manually adjust frame 301, the shell stationary fixture 2 Interior to be equipped with shell 4,4 top of the shell is equipped with optical fiber head 5, and five dimension manually adjusts 301 upper end of frame and is equipped with clamping fixture 31, The optical fiber head 5 is clamped in the clamping fixture 31, and the feedback debugging mechanism 200 includes DC power supply 6, setting described manual Laser diode 7,1*2 polarization-maintaining couplers 8, extinction ratio tester 9, power meter 10 in turntable 101, the DC power supply 6 It is connected with the laser diode 7 by electric wire, the optical fiber head 5 is molten by optical fiber cable and the 1*2 polarization-maintaining couplers 8 It connects, the 1*2 polarization-maintaining couplers 8 are connect with the extinction ratio tester 9, the power meter 10 respectively by optical fiber cable.

In order to preferably optimize the construction that this polarization maintaining optical fibre LD couples debugging apparatus, reach the mesh for saving cost , extinction ratio tester described in the utility model 9 is respectively equipped with the display screen that can show test value with the power meter 10.

Operation principle：After the shell stationary fixture 2 fixes the shell 4, the light is clamped in the clamping fixture 31 Fine head 5, the DC power supply 6 are powered for the laser diode 7, and the laser diode 7 exports laser, by the optical fiber First 5 enter in the 1*2 polarization-maintaining couplers 8, and laser is divided into two-way by the 1*2 polarization-maintaining couplers 8, inputs the delustring all the way Than in tester 9, another way inputs in the power meter 10, the extinction ratio tester 9 will monitor number with the power meter 10 According to the computer 11 is fed back to, the transmission of the computer 11 adjusts information to the controller 12, and the controller 12 controls The electric rotary table 1 and the electronic adjustment frame of five dimension 3 adjust the optical fiber head 5 and the relative position of the shell 4 Section, you can realize accurate welding or gluing.

In addition, embodiment of above is merely to illustrate the utility model, and it is not the limitation of the utility model, related skill The those of ordinary skill in art field can also make other changes in the case where not departing from the spirit and scope of the utility model Change and deform, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of protection of the utility model is answered It is defined by the claims.If in addition, having used some specific terms in this specification, explanation merely for convenience is not right The utility model is construed as limiting.

Claims (2)

1. a kind of polarization maintaining optical fibre LD couples debugging apparatus, it is characterised in that：Including clamping device（100）, feedback debugging mechanism （200）, the clamping device（100）Including electric rotary table（1）Or manual rotation platform（101）, be set to the electric rotary table （1）Or the manual rotation platform（101）The shell stationary fixture of upper end（2）, be set to the electric rotary table（1）Or it is described manual Turntable（101）The five electronic adjustment frames of dimension on right side（3）Or five dimension manually adjust frame（301）, the shell stationary fixture（2）It is interior Equipped with shell（4）, the shell（4）Top is equipped with optical fiber head（5）, the electronic adjustment frame of five dimension（3）Or five dimension is manually Adjustment frame（301）Upper end is equipped with clamping fixture（31）, the clamping fixture（31）The optical fiber head is clamped（5）, the feedback tune Test-run a machine structure（200）Including DC power supply（6）, be arranged in the electric rotary table（1）Or the manual rotation platform（101）Interior swashs Optical diode（7）, 1*2 polarization-maintaining couplers（8）, extinction ratio tester（9）, power meter（10）, computer（11）, controller （12）, the DC power supply（6）Pass through electric wire and the laser diode（7）It is connected, the optical fiber head（5）Pass through optical fiber cable With the 1*2 polarization-maintaining couplers（8）Welding, the 1*2 polarization-maintaining couplers（8）It is tested respectively with the extinction ratio by optical fiber cable Instrument（9）, the power meter（10）Connection, the controller（12）By optical fiber cable respectively with the electric rotary table（1）, it is described The five electronic adjustment frames of dimension（3）Connection, the extinction ratio tester（9）, the power meter（10）, the controller（12）Lead to respectively Cross optical fiber cable and the computer（11）Connection.

2. a kind of polarization maintaining optical fibre LD according to claim 1 couples debugging apparatus, it is characterised in that：The extinction ratio test Instrument（9）With the power meter（10）The display screen of test value can be shown by being respectively equipped with.