CN205195708U - PLC optical divider detection device - Google Patents
PLC optical divider detection device Download PDFInfo
- Publication number
- CN205195708U CN205195708U CN201520932468.4U CN201520932468U CN205195708U CN 205195708 U CN205195708 U CN 205195708U CN 201520932468 U CN201520932468 U CN 201520932468U CN 205195708 U CN205195708 U CN 205195708U
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- China
- Prior art keywords
- branching device
- optical branching
- polarization controller
- groove
- output
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- Expired - Fee Related
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- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model provides a PLC optical divider detection device, including multi -wavelength light source, optical divider, the computer, a polarization controller, fiber alignment ware and testing arrangement, multi -wavelength light source is connected to the computer control signal line, the input that multi -wavelength light source's output passes through optic fibre and polarization controller links to each other, testing arrangement includes photoelectric detector and step motor, the fiber alignment ware is used for corresponding at least one input of at least one output of polarization controller and the optical divider that awaits measuring and is connected, fine double bottom seat is taken to last being equipped with of optical divider, the last separation blade that is equipped with of photoelectric detector, be equipped with a groove on this separation blade, photoelectric detector and computer link. The utility model discloses the testing procedure is simple, can improve efficiency of software testing and measuring accuracy by a wide margin. The defect of loaded down with trivial details operation when having eliminated in the multichannel test scheme between the passageway drift and measurement deviation and reference value and returing to zero.
Description
Technical field
The utility model relates to technical field of optical fiber, is specially a kind of PLC optical branching device checkout gear.
Background technology
Along with the investment orientation of optical fiber communication is by communication trunk, metropolitan area network etc. are to fiber-to-the-home future development, and the demand of fiber-to-the-home core light device optical branching device also will constantly expand.Optical branching device is one of most important passive device in optical fiber link, is the optical fiber tandem device with multiple input and multiple output.Optical branching device can be divided into fused tapered (FBT) and planar waveguide-type (PLC) two kinds by principle.
At present, in the field tests of planar optical waveguide splitter, main product is multichannel comprehensive tester, namely by 8 detectors, the mode of simultaneously testing 8 road PLC outputs carries out PLC test, this testing scheme is integrated with light source, optical switch module, Polarization Controller and 8 channel optical power meters, insertion loss can be carried out to PLC device, Polarization Dependent Loss, uniformity, the indexs such as supplementary load loss are tested, but because it uses 8 detectors, therefore unavoidably introduce interchannel drift and deviation, use mechanical type Polarization Controller, Polarization Dependent Loss test speed is slow and accuracy is low (three-wavelength test is about 30 seconds), because needs carry out rezero operation respectively to 8 passages, inefficiency, fiber stripping need be carried out to each port of PLC device output end, and use naked fine clamper, complex operation, introducing error is large, and test repeatability is poor, though there is producer to provide the fine fusion techniques of band, but be with fine heat sealing machine price very expensive, cost performance is not high, therefore, the test of current plane optical waveguide splitter has become a lot of manufacturer's production capacity bottleneck, although market there is a lot of producer can provide multichannel PLC testing equipment, operating procedure is various, and testing efficiency is too low, the not high and less stable of measuring accuracy.
Summary of the invention
For solving the problem, the utility model discloses a kind of PLC optical branching device checkout gear.
In order to reach above object, the utility model provides following technical scheme:
A kind of PLC optical branching device checkout gear, comprise multi wave length illuminating source, optical branching device, computer, Polarization Controller, optical fiber align device and testing apparatus, computer control signal line connects multi wave length illuminating source, the output of multi wave length illuminating source is connected with the input of Polarization Controller by optical fiber, described testing apparatus comprises photoelectric detector and stepping motor, described optical fiber align device is used for connecting corresponding with at least one input of described optical branching device to be measured at least one output of described Polarization Controller, described optical fiber align device comprises pedestal, run through the groove of described pedestal and the briquetting of the described groove of press-in, the output of described optical branching device is connected with the input of described photodetector, described optical branching device is provided with band fine folder base, described photodetector is high-speed sampling light power meter, photodetector is provided with a catch, this catch is provided with a groove, this groove makes synchronization only have the output light transmission of a passage of optical branching device, described photodetector is connected with by data wire computer.
As preferably, described groove is v-depression.
As preferably, described stepping motor is arranged and dull and stereotypedly forms motorized precision translation stage, motorized precision translation stage is used for moving photoconductor detector.
As preferably, described multi wave length illuminating source is three-wavelength source, can export the light source of 1310nm, 1490nm and 1550nm wavelength period.
As preferably, the angle of described v-depression is 30 ~ 60 °.
The beneficial effect that the utility model obtains is:
PLC optical branching device checkout gear provided by the utility model, connected corresponding with at least one input of described optical branching device to be measured at least one output of described Polarization Controller by optical fiber align device, thus do not need to adopt optical fiber splicer to connect polarization converter and optical branching device to be measured, reduce cost.Compared with prior art, the utility model testing procedure is simple, can significantly improve testing efficiency and measuring accuracy.Eliminate the defect of troublesome operation when the drift of interchannel in multiple channel test scheme and measurement deviation and reference value are made zero.In connection output step, unsuccessfully repeat step without the fine welding of band, without IL and the PDL loss introduced during the fine welding of band, reducing extraneous coupling error, without the need to using the fine heat sealing machine of band, reducing equipment cost.Adopt high-speed sampling light power meter, test value is more accurate.
Accompanying drawing explanation
Fig. 1, structural representation of the present utility model;
The vertical view of Fig. 2, optical fiber align device;
The stereogram of Fig. 3, optical fiber align device;
The structural representation of Fig. 4, testing apparatus.
Reference numerals list:
1-multi wave length illuminating source; 2-Polarization Controller; 3-optical fiber align device; 4-optical branching device; 5-testing apparatus; 6-computer; 31-pedestal; 32-groove; 33-briquetting; 21-Polarization Controller output; 41-optical branching device input; 51-photodetector; 52-stepping motor; 53-motorized precision translation stage; 42-band fine folder base.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, following embodiment should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model.
PLC optical branching device 4 checkout gear as shown in Fig. 1 to 4, comprise multi wave length illuminating source 1, optical branching device 4, computer 6, Polarization Controller 2, optical fiber align device 3 and testing apparatus 5, computer 6 control signal wire connects multi wave length illuminating source 1, the output of multi wave length illuminating source 1 is connected by the input of optical fiber with Polarization Controller 2, testing apparatus 5 comprises photoelectric detector and stepping motor 52, optical fiber align device 3 is for by least one output 21 of Polarization Controller 2 and at least one input 41 of optical branching device 4 to be measured is corresponding connects, optical fiber align device 3 comprises pedestal 31, run through the groove 32 of pedestal 31 and the briquetting 33 of press-in groove 32, the output of optical branching device 4 is connected with the input of photodetector 51, optical branching device 4 is provided with band fine folder base 42, photodetector 51 is high-speed sampling light power meter, photodetector 51 is provided with a catch, this catch is provided with a groove, this groove makes synchronization only have the output light transmission of a passage of optical branching device 4, the slit of this groove to be width be 100 ± 25um.Photodetector 51 is connected with by data wire computer 6.Stepping motor 52 is arranged dull and stereotyped formation motorized precision translation stage 53, motorized precision translation stage 53 is for moving photoconductor detector 51.
Optical fiber align device 3 has at least one groove 32, groove 32 at least one input of at least one output and optical branching device to be measured 4 of embedding Polarization Controller 2, to realize the connection of polarization converter and optical branching device to be measured 4.Groove 32 is v-depression 32.The angle of v-depression 32 is 30 ~ 60 °.
Multi wave length illuminating source 1 is three-wavelength source, can export the light source of 1310nm, 1490nm and 1550nm wavelength period.
Operation principle of the present utility model is: light source exports from optical branching device 4 output, the output light of high-speed sampling light power meter to optical branching device 4 passage carries out luminous power sampling, computer 6 records the luminous power data that high-speed sampling light power meter transmits automatically, computer-controlled stepper motor 52 drives high-speed sampling light power meter to move, high-speed sampling light power meter continues to carry out luminous power sampling to output light, so repeatedly perform the luminous power sampling to exporting light, the optical power loss value that computer 6 automatic analysis is minimum.After the output light of all passages of optical branching device 4 streaks from the detection slit of high-speed sampling light power meter completely, complete the test of a wavelength, computer 6 by information feed back to multi wave length illuminating source.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned execution mode, also comprises the technical scheme be made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection range of the present utility model.
Claims (5)
1. a PLC optical branching device checkout gear, comprise multi wave length illuminating source, optical branching device, computer, Polarization Controller, optical fiber align device and testing apparatus, computer control signal line connects multi wave length illuminating source, the output of multi wave length illuminating source is connected with the input of Polarization Controller by optical fiber, it is characterized in that, described testing apparatus comprises photoelectric detector and stepping motor, described optical fiber align device is used at least one output of described Polarization Controller and at least one input of described optical branching device is corresponding connects, described optical fiber align device comprises pedestal, run through the groove of described pedestal and the briquetting of the described groove of press-in, the output of described optical branching device is connected with the input of described photodetector, described optical branching device is provided with band fine folder base, described photodetector is high-speed sampling light power meter, photodetector is provided with a catch, this catch is provided with a groove, this groove makes synchronization only have the output light transmission of a passage of optical branching device, described photodetector is connected with by data wire computer.
2. PLC optical branching device checkout gear as claimed in claim 1, it is characterized in that, described groove is v-depression.
3. PLC optical branching device checkout gear as claimed in claim 1, is characterized in that, described stepping motor is arranged dull and stereotyped formation motorized precision translation stage, motorized precision translation stage is used for moving photoconductor detector.
4. PLC optical branching device checkout gear as claimed in claim 1, it is characterized in that, described multi wave length illuminating source is three-wavelength source, can export the light source of 1310nm, 1490nm and 1550nm wavelength period.
5. PLC optical branching device checkout gear as claimed in claim 2, it is characterized in that, the angle of described v-depression is 30 ~ 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932468.4U CN205195708U (en) | 2015-11-20 | 2015-11-20 | PLC optical divider detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520932468.4U CN205195708U (en) | 2015-11-20 | 2015-11-20 | PLC optical divider detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205195708U true CN205195708U (en) | 2016-04-27 |
Family
ID=55788647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520932468.4U Expired - Fee Related CN205195708U (en) | 2015-11-20 | 2015-11-20 | PLC optical divider detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205195708U (en) |
-
2015
- 2015-11-20 CN CN201520932468.4U patent/CN205195708U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20201120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |