CN103267481B - A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation - Google Patents
A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation Download PDFInfo
- Publication number
- CN103267481B CN103267481B CN201310203134.9A CN201310203134A CN103267481B CN 103267481 B CN103267481 B CN 103267481B CN 201310203134 A CN201310203134 A CN 201310203134A CN 103267481 B CN103267481 B CN 103267481B
- Authority
- CN
- China
- Prior art keywords
- optical fibre
- maintaining optical
- fixed
- displacement platform
- polarization maintaining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation, the present invention relates to a kind of pick-up unit of polarization maintaining optical fibre polarization axle, the present invention solves the situation of change needing manual observation interference fringe when adopting laser reflection interferometry polarization axle orientation at present, there is the problem that detection efficiency is low, precision is low.The lower end of straight line electric displacement platform is fixed on the upper surface of workbench, microscope stand is fixed on straight line electric displacement platform, binding is sleeved on the microscopical outer wall in right angle, right angle microscope is fixed on the sidewall of fixed frame for microscope by binding, CMOS camera is arranged on right angle microscope, fiber clamp is arranged on fiber clamp web joint, micro-vision detecting unit and halogen light source fixed mount staggered relatively, two fiber spinning unit are staggered relatively, and polarization maintaining optical fibre is fixed by the fiber clamp of two opposing parallel settings.The present invention is used for the detection of polarization maintaining optical fibre polarization axle.
Description
Technical field
The present invention relates to a kind of pick-up unit of polarization maintaining optical fibre polarization axle.
Background technology
Polarization-maintaining fiber coupler is one of most important parts of sensory field of optic fibre, is widely used in Fibre Optical Sensor and optical fiber communication.The detection in polarization maintaining optical fibre polarization axle orientation and aligning (being called for short axle) are the matters of utmost importance in polarization-maintaining fiber coupler manufacture process, one of important parameter affecting fiber coupler performance on axis error, less to axis error, the extinction ratio of coupling mechanism is larger, and the performance of the coupling mechanism made is better.Traditional polarization axle detects and adopts laser reflection interferometric method, the polarization axle of polarization maintaining optical fibre is detected by the change of manual observation interference fringe, this detection method efficiency is low, be easy to the interference being subject to human factor, and precision is low, can not meet the needs manufacturing high precision polarization-maintaining fiber coupler.
Summary of the invention
The present invention solves the situation of change needing manual observation interference fringe when adopting laser reflection interferometry polarization axle orientation at present, there is the problem that detection efficiency is low, precision is low, cannot meet high precision polarization-maintaining fiber coupler manufacture requirements, and then a kind of pick-up unit of polarization maintaining optical fibre polarization axle is provided and applies the method that this device detects polarization maintaining optical fibre polarization axle orientation.
The present invention solves the problems of the technologies described above the technical scheme taked to be:
A kind of pick-up unit of polarization maintaining optical fibre polarization axle comprises micro-vision detecting unit, halogen light source fixed mount, workbench, polarization maintaining optical fibre and two fiber spinning unit, micro-vision detecting unit comprises straight line electric displacement platform, microscope stand, CMOS camera, binding, fixed frame for microscope and right angle microscope, the lower end of straight line electric displacement platform is fixed on the upper surface of workbench, microscope stand is fixed on straight line electric displacement platform, fixed frame for microscope is fixed on the upper end outer wall of microscope stand, binding is sleeved on the microscopical outer wall in right angle, right angle microscope is fixed on the sidewall of fixed frame for microscope by binding, CMOS camera is arranged on right angle microscope, fiber spinning unit comprises rotary electric displacement platform bearing, rotary electric displacement platform, two dimension manual displacement platform, fiber clamp web joint, fiber clamp, first web joint and the second web joint, swing offset stage support is fixed on the upper surface of workbench, rotary electric displacement platform is arranged on the sidewall of rotary electric displacement platform bearing, two dimension manual displacement platform is fixedly connected on rotary electric displacement platform by the second web joint, fiber clamp web joint is fixed on two-dimentional manual displacement platform by the first web joint, fiber clamp is arranged on fiber clamp web joint, halogen light source fixed mount comprises light source support, light source binding and Halogen lamp LED, light source support is slidably connected on workbench, light source binding is vertically fixed in light source support, Halogen lamp LED is arranged in light source support, workbench horizontal positioned, micro-vision detecting unit, halogen light source fixed mount, workbench and two fiber spinning unit are fixed in workbench respectively on the end face on four limits, micro-vision detecting unit and halogen light source fixed mount staggered relatively, two fiber spinning unit are staggered relatively, polarization maintaining optical fibre is fixed by the fiber clamp of two opposing parallel settings.
The present invention compared with prior art has following beneficial effect:
The present invention, by the two-dimentional manual displacement platform on adjustment two fiber spinning unit, makes the rotation center coaxiality error of the central shaft of polarization maintaining optical fibre and two rotary electric displacement platforms be less than 7 μm.Regulate the position of light source support, the center line of Halogen lamp LED is overlapped with the center line of right angle micro objective, open Halogen lamp LED, regulate straight line electric displacement platform, make the magazine polarization maintaining optical fibre clear picture of CMOS, two every synchronous rotaries of rotary electric displacement platform 1 °, rotary electric displacement platform quits work, and gather the image of a CMOS camera, the maximal value of image intensity value will be recorded after figure smothing filtering, after rotating a circle, the numerical value that 360 are recorded is carried out Fourier filtering, then Cubic Spline Fitting is carried out to experimental data, just the position of polarization maintaining optical fibre polarization axle can be determined, structure of the present invention is simple, easy installation and manufacture, and detection is reproducible, accuracy of detection is high, high precision polarization-maintaining fiber coupler manufacture requirements can be met.
Accompanying drawing explanation
Fig. 1 is the front view of micro-vision detecting unit, Fig. 2 is the front view of fiber spinning unit, and Fig. 3 is the wiring layout of fiber spinning unit and workbench, and Fig. 4 is the front view of halogen light source fixed mount, Fig. 5 is that entirety of the present invention overlooks wiring layout, and Fig. 6 is overall assembling stereogram of the present invention.
Embodiment
Embodiment one: composition graphs 1 ~ Fig. 6 illustrates, the pick-up unit of a kind of polarization maintaining optical fibre polarization axle of present embodiment comprises micro-vision detecting unit 1, halogen light source fixed mount 3, workbench 4, polarization maintaining optical fibre 5 and two fiber spinning unit 2.Micro-vision detecting unit 1 comprises straight line electric displacement platform 1-1, microscope stand 1-2, CMOS camera 1-3, binding 1-4, fixed frame for microscope 1-5 and right angle microscope 1-6.The lower end of straight line electric displacement platform 1-1 is fixed on the upper surface of workbench 4, microscope stand 1-2 is fixed on straight line electric displacement platform 1-1, fixed frame for microscope 1-5 is fixed on the upper end outer wall of microscope stand 1-2, binding 1-4 is sleeved on the outer wall of right angle microscope 1-6, right angle microscope 1-6 is fixed on by binding 1-4 on the sidewall of fixed frame for microscope 1-5, and CMOS camera 1-3 is arranged on right angle microscope 1-6.Fiber spinning unit 2 comprises rotary electric displacement platform bearing 2-1, rotary electric displacement platform 2-2, two-dimentional manual displacement platform 2-3, fiber clamp web joint 2-4, fiber clamp 2-5, the first web joint 2-6 and the second web joint 2-7.Swing offset stage support 2-1 is fixed on the upper surface of workbench 4, rotary electric displacement platform 2-2 is arranged on the sidewall of rotary electric displacement platform bearing 2-1, two dimension manual displacement platform 2-3 is fixedly connected on rotary electric displacement platform 2-2 by the second web joint 2-7, fiber clamp web joint 2-4 is fixed on two-dimentional manual displacement platform 2-3 by the first web joint 2-6, and fiber clamp 2-5 is arranged on fiber clamp web joint 2-4.Halogen light source fixed mount 3 comprises light source support 3-1, light source binding 3-2 and Halogen lamp LED 3-3, light source support 3-1 are slidably connected on workbench 4, and light source binding 3-2 is vertically fixed on light source support 3-1, and Halogen lamp LED 3-3 is arranged on light source support 3-1.Workbench 4 horizontal positioned, micro-vision detecting unit 1, halogen light source fixed mount 3, workbench 4 and two fiber spinning unit 2 are fixed in workbench 4 respectively on the end face on four limits, micro-vision detecting unit 1 and halogen light source fixed mount 3 staggered relatively, two fiber spinning unit 2 are staggered relatively, and polarization maintaining optical fibre 5 is fixed by the fiber clamp 2-5 of two opposing parallel settings.
Embodiment two: composition graphs 1 ~ Fig. 6 illustrates, the pick-up unit described in the application of present embodiment to the concrete steps that polarization maintaining optical fibre polarization axle orientation detects is:
Step one: installation detecting device;
Step 2: polarization maintaining optical fibre 5 is placed on fiber clamp 2-5, and remain that polarization maintaining optical fibre 5 is in the visual field of right angle microscope 1-6;
Step 3: open Halogen lamp LED 3-3, by rotary electric displacement platform 2-2 rotating 360 degrees, CMOS camera 1-3 gathers the image of a polarization maintaining optical fibre 5 every 1 °;
Step 4: process image also calculates the polarization axle of polarization maintaining optical fibre 5.
Principle of work: regulate the two-dimentional manual displacement platform 2-3 on two fiber spinning unit 2 first respectively, make the rotation center coaxiality error of the central shaft of polarization maintaining optical fibre 5 and two rotary electric displacement platform 2-2 be less than 7 μm.Regulate the position of light source support 3-1, the center line of Halogen lamp LED 3-3 is overlapped with the center line of right angle microscope 1-6 object lens, open Halogen lamp LED 3-3, regulate straight line electric displacement platform 1-1, make polarization maintaining optical fibre 5 clear picture in CMOS camera 1-3, two every synchronous rotaries of rotary electric displacement platform 2-2 1 °, rotary electric displacement platform 2-2 quits work, and gather the image of a CMOS camera 1-3, the maximal value of image intensity value will be recorded after figure smothing filtering, after rotating a circle, the numerical value that 360 are recorded is carried out Fourier filtering, reduce the impact of fiber manufacturing error and stochastic error, then Cubic Spline Fitting is carried out to experimental data, just the position of polarization maintaining optical fibre polarization axle (fast axle) can be determined.
Claims (2)
1. the pick-up unit of a polarization maintaining optical fibre polarization axle, it is characterized in that: described pick-up unit comprises micro-vision detecting unit (1), halogen light source fixed mount (3), workbench (4), polarization maintaining optical fibre (5) and two fiber spinning unit (2), micro-vision detecting unit (1) comprises straight line electric displacement platform (1-1), microscope stand (1-2), CMOS camera (1-3), binding (1-4), fixed frame for microscope (1-5) and right angle microscope (1-6), the lower end of straight line electric displacement platform (1-1) is fixed on the upper surface of workbench (4), microscope stand (1-2) is fixed on straight line electric displacement platform (1-1), fixed frame for microscope (1-5) is fixed on the upper end outer wall of microscope stand (1-2), binding (1-4) is sleeved on the outer wall of right angle microscope (1-6), right angle microscope (1-6) is fixed on the sidewall of fixed frame for microscope (1-5) by binding (1-4), CMOS camera (1-3) is arranged on right angle microscope (1-6), fiber spinning unit (2) comprises rotary electric displacement platform bearing (2-1), rotary electric displacement platform (2-2), two dimension manual displacement platform (2-3), fiber clamp web joint (2-4), fiber clamp (2-5), first web joint (2-6) and the second web joint (2-7), swing offset stage support (2-1) is fixed on the upper surface of workbench (4), rotary electric displacement platform (2-2) is arranged on the sidewall of rotary electric displacement platform bearing (2-1), two dimension manual displacement platform (2-3) is fixedly connected on rotary electric displacement platform (2-2) by the second web joint (2-7), fiber clamp web joint (2-4) is fixed on two-dimentional manual displacement platform (2-3) by the first web joint (2-6), two dimension manual displacement platform (2-3) is less than 7 μm for making the rotation center coaxiality error of the central shaft of polarization maintaining optical fibre 5 and two rotary electric displacement platform 2-2, fiber clamp (2-5) is arranged on fiber clamp web joint (2-4), halogen light source fixed mount (3) comprises light source support (3-1), light source binding (3-2) and Halogen lamp LED (3-3), light source support (3-1) is slidably connected on workbench (4), light source binding (3-2) is vertically fixed in light source support (3-1), Halogen lamp LED (3-3) is arranged in light source support (3-1), workbench (4) horizontal positioned, micro-vision detecting unit (1), halogen light source fixed mount (3), workbench (4) and two fiber spinning unit (2) are fixed in workbench (4) respectively on the end face on four limits, micro-vision detecting unit (1) and halogen light source fixed mount (3) staggered relatively, two fiber spinning unit (2) are staggered relatively, polarization maintaining optical fibre (5) is fixed by the fiber clamp (2-5) of two opposing parallel settings.
2. application rights requires to it is characterized in that the method that the pick-up unit described in 1 detects polarization maintaining optical fibre polarization axle orientation: to the concrete steps that polarization maintaining optical fibre polarization axle orientation detects be:
Step one: installation detecting device;
Step 2: polarization maintaining optical fibre (5) is placed on fiber clamp (2-5), and remain that polarization maintaining optical fibre (5) is in the visual field of right angle microscope (1-6);
Step 3: open Halogen lamp LED (3-3), by rotary electric displacement platform (2-2) rotating 360 degrees, CMOS camera (1-3) gathers the image of a polarization maintaining optical fibre (5) every 1 °;
Step 4: process image also calculates the polarization axle of polarization maintaining optical fibre (5), the maximal value of image intensity value will be recorded after figure smothing filtering, after rotating a circle, the numerical value that 360 are recorded is carried out Fourier filtering, reduce the impact of fiber manufacturing error and stochastic error, then Cubic Spline Fitting is carried out to experimental data, just can determine the position of polarization maintaining optical fibre polarization axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310203134.9A CN103267481B (en) | 2013-05-28 | 2013-05-28 | A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310203134.9A CN103267481B (en) | 2013-05-28 | 2013-05-28 | A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103267481A CN103267481A (en) | 2013-08-28 |
| CN103267481B true CN103267481B (en) | 2016-01-27 |
Family
ID=49011122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310203134.9A Active CN103267481B (en) | 2013-05-28 | 2013-05-28 | A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103267481B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676359A (en) * | 2016-04-09 | 2016-06-15 | 南京吉隆光纤通信股份有限公司 | Auxiliary axis aligning observation device of polarization maintaining fiber demultiplexer |
| CN109719976A (en) * | 2019-01-26 | 2019-05-07 | 浙江理工大学 | One kind being misaligned angle recognition device and method for Fiber In Composite Material |
| CN114018933A (en) * | 2021-11-03 | 2022-02-08 | 株洲菲斯罗克光电科技股份有限公司 | Optical fiber surface observer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280294A (en) * | 2000-08-18 | 2001-01-17 | 清华大学 | Measuring method for three dimension surface contour of optic lens with free curved surface |
| CN102227660A (en) * | 2008-11-28 | 2011-10-26 | 阿尔卡特朗讯 | Apparatus and method for compensating polarization mode dispersion |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004106033A (en) * | 2002-09-19 | 2004-04-08 | Cyber Laser Kk | Laser marker using fiber bundle |
-
2013
- 2013-05-28 CN CN201310203134.9A patent/CN103267481B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280294A (en) * | 2000-08-18 | 2001-01-17 | 清华大学 | Measuring method for three dimension surface contour of optic lens with free curved surface |
| CN102227660A (en) * | 2008-11-28 | 2011-10-26 | 阿尔卡特朗讯 | Apparatus and method for compensating polarization mode dispersion |
Non-Patent Citations (3)
| Title |
|---|
| 匹配型保偏光纤自动对轴技术;王金娥等;《应用光学》;20050930;第26卷(第5期);全文 * |
| 基于五点特征值的匹配型保偏光纤定轴新方法;王金娥等;《光通信技术》;20050131(第1期);正文第2-4节 * |
| 超细径保偏光纤的对轴方法优化及实验;荣伟彬等;《光电工程》;20100831;第37卷(第8期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103267481A (en) | 2013-08-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103267481B (en) | A kind of pick-up unit of polarization maintaining optical fibre polarization axle and apply the method that this device detects polarization maintaining optical fibre polarization axle orientation | |
| CN102226771B (en) | Device for detecting internal defects and residual stress of infrared glass and detection method | |
| WO2012117398A3 (en) | Automatic lens mapping system | |
| JP2012133365A5 (en) | ||
| CN102183490B (en) | Optical fiber holographic interference measuring device | |
| CN204405004U (en) | Valve spring physical dimension measures testing machine | |
| CN102798357A (en) | Device and method for double-barrelled angle measurement | |
| CN103197380A (en) | Preparation method of contact-type optical fiber micro probe based on optical fiber tapering technology | |
| CN203745365U (en) | On-line glass color and reflectivity measurement system | |
| CN103235390B (en) | Aligning device for polarization maintaining optical fiber countershaft | |
| CN103884723B (en) | The synchronized tracking image acquisition mechanism of automatic lamp-checking machine | |
| CN203964882U (en) | A kind of optical fiber concentricity on-line detector | |
| CN102207375A (en) | Novel device for measuring diameter of optical fiber | |
| CN204374092U (en) | A kind of braiding of the socks product based on machine vision texture on-line measuring device | |
| CN203519882U (en) | Optical fiber quick-splicing and testing device | |
| CN203117457U (en) | Optical fiber leading-out type interferometer laser light source system | |
| CN203949588U (en) | A kind of axis irradiation positioning measuring device | |
| CN204086652U (en) | Realize the adjustment System of off-axis optical system common optical axis | |
| CN202885789U (en) | Adjusting device for photoelectric mast sensor assembly | |
| CN105180840A (en) | Method and device for measuring mirror shape of large-diameter concave mirror face based on color double-frequency fringe reflection | |
| CN205608236U (en) | Photonic crystal optic fibre dead axle device | |
| CN205507143U (en) | Polarization maintaining fiber branching unit counter shaft auxiliary device | |
| CN201159638Y (en) | Testing device for size and concentricity of optical fiber insertion core inside and outside circularity | |
| CN202757758U (en) | Test platform for electric spindle tester | |
| CN205581016U (en) | Quick detection device of calliper inner groove defect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |