CN2651730Y - Precision adjusting fibre-optic polarization controller - Google Patents
Precision adjusting fibre-optic polarization controller Download PDFInfo
- Publication number
- CN2651730Y CN2651730Y CN 200320109754 CN200320109754U CN2651730Y CN 2651730 Y CN2651730 Y CN 2651730Y CN 200320109754 CN200320109754 CN 200320109754 CN 200320109754 U CN200320109754 U CN 200320109754U CN 2651730 Y CN2651730 Y CN 2651730Y
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- optical fiber
- support
- worm
- polarization controller
- gear
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Abstract
A precision adjustment optical fiber polarization controller is provided, which is characterized in that: a bracket and a supporting seat for two transmission mechanisms are arranged on a base; a winding disc that is configured with a cover disc and is processed or made with an optical fiber groove is arranged on each transmission mechanism; a rotation wheel or a rotation handle is positioned respectively on the two transmission mechanisms; a left wire pressing block is positioned at the left end of the bracket; a right wire pressing block is positioned at the right end of the bracket. With such as structure, the utility model facilitates the installation and fixation of optical fiber, so that the optical fiber will not easily disengage from a round groove on the winding disc, thus protecting the optical fiber, simplifying the procedure for the adjustment of polarization status, facilitating the installation and rotation of the winding disc as well as the fixation of the optical fiber and enhancing the working stability. Compared with similar polarization controller, the utility model greatly improves the adjustment precision and ensures the precise adjustment of polarization status of laser in the optical fiber. Therefore, with the advantages of convenient application, high reliability, low product cost, excellent stability and high adjustment precision, the utility model can be widely applied and promoted in laser technical field.
Description
Technical field
The utility model belongs to laser technology field, is specifically related to the minute adjustment optical fiber polarization controller.
Background technology
The Polarization Controller control polarization state of light input polarization light of polarization state arbitrarily changes the polarization state of output terminal formulation into.The optical-fiber type Polarization Controller is convenient to connect into " online " element with fibre system, and loss is little, thereby comes into one's own.The optical-fiber type Polarization Controller has widely to be used, for example in the coupling of single-mode fiber and optical waveguide, by Polarization Controller the polarization state in optical fiber and the optical waveguide is mated to improve coupling efficiency, it also is used in some the single-mode fiber sensor and fiber laser that utilizes polarization state.All adopt wave plate to change the polarization state of optical wavelength in general optical system, in fibre system, can adopt simpler method to utilize elasto-optical effect to change birefringence in the optical fiber, with the polarization state of the light wave in the control optical fiber.
Though also be to utilize the elasto-optical effect of optical fiber to realize the adjusting of polarization state in the common optical fiber polarisation control, but all be to adopt manual rough adjusting, make the precision of regulating reduce greatly, if in laser system and sensor, the reduction of precision can make the stability and the best output condition of its output be difficult to reach.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of the said equipment, and a kind of simple in structure, easy to use, reliability is high, degree of regulation is high minute adjustment optical fiber polarization controller is provided.
Solving the problems of the technologies described above the technical scheme that is adopted is: base is provided with support and supports the supporting seat of two gear trains, on each gear train, be respectively arranged with the wire spool of processing or being manufactured with optical fiber duct thereon and be provided with shrouding disc, on two gear trains, also be respectively arranged with rotor wheel or handler, be provided with left line ball piece at the left end of support, right-hand member is provided with right line ball piece.
Gear train of the present utility model is a worm and gear, and on the endless screw support that worm screw is arranged on base connects, worm screw is provided with rotor wheel or handler, and worm gear is provided with wire spool.
Worm gear of the present utility model is a worm sector, and in worm sector revolve line on processing or be manufactured with together Baltimore groove parallel with support, wire spool is arranged in the Baltimore groove.
Support of the present utility model comprises left socle and intermediate support and right support, and left socle and intermediate support and right support are arranged on the base
Rotor wheel of the present utility model or handler are handwheel, and handwheel is arranged on the end of worm screw.
The utility model adopts and processes circular trough one at wire spool; on wire spool, be stamped shrouding disc; the installation that has made things convenient for optical fiber is with fixing; optical fiber is not easy to break away from the circular trough from the wire spool, has protected optical fiber, adopts worm sector gear train and handwheel adjustment; easy adjustment polarization state process; all parts are fixed on three supports, have made things convenient for the installation of wire spool and fixing of rotation and optical fiber, have strengthened the stability of work.The utility model is compared with similar Polarization Controller, and degree of regulation improves greatly, makes that the polarization state of laser obtains accurate adjusting in the optical fiber.The utlity model has easy to use, reliability is high, cost of products is low, good stability, degree of regulation advantages of higher, can in laser technology field, extensively promote the use of.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the structural representation of left worm sector 6.
Embodiment:
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
In Fig. 1,2, the minute adjustment optical fiber polarization controller of present embodiment is to be connected by base 1, left line ball piece 2, left socle 3, left wire spool 4, left shrouding disc 5, left worm sector 6, left worm screw 7, left hand wheel 8, left worm screw seat 9, intermediate support 10, right wing shape worm gear 11, right worm screw 12, right hand wheel 13, right worm screw seat 14, right wire spool 15, right shrouding disc 16, right support 17, right line ball piece 18 to constitute.
Left side on base 1 is with the screw threads for fastening connector left socle 3 that has been fixedly connected, middle with the screw threads for fastening connector intermediate support 10 that has been fixedly connected, the right side is with the screw threads for fastening connector right support 17 that has been fixedly connected, on the upper surface of left socle 3 with the screw threads for fastening connector left line ball piece 2 that has been fixedly connected, on the upper surface of right support 17 with the screw threads for fastening connector right line ball piece 18 that has been fixedly connected, left side line ball piece 2 and right line ball piece 18 are used for fixing optical fiber, between left socle 3 on the base 1 and intermediate support 10 with the screw threads for fastening connector left worm screw seat 9 that has been fixedly connected, between intermediate support 10 on the base 1 and right support 17 with the screw threads for fastening connector right worm screw seat 14 that has been fixedly connected, left worm screw 7 is installed on left worm screw seat 9, the left side worm screw 7 outer left hand wheels 8 that are set with, left side worm sector 6 is meshed with left worm screw 7, process or be manufactured with Baltimore groove b together on the line in revolve parallel of left worm sector 6 with support, left wire spool 4 is installed in the Baltimore groove b of left worm sector 6, rotate left hand wheel 8, by left worm screw 7 and 6 transmissions of left worm sector, left wire spool 4 rotates.Right worm screw 12 is installed on right worm screw seat 14, the right worm screw 12 outer right hand wheels 13 that are set with, right wing shape worm gear 11 is meshed with right worm screw 12, process or be manufactured with Baltimore groove b together on the line in revolve parallel of right wing shape worm gear 11 with support, right wire spool 15 is installed in the Baltimore groove b of right wing shape worm gear 11, rotate right hand wheel 13, by right worm screw 12 and 11 transmissions of right wing shape worm gear, right wire spool 15 rotates.On left wire spool 4 and right wire spool 15, be processed with circular optical fiber duct a, optical fiber can be placed in the optical fiber duct a, is stamped left shrouding disc 5 on left wire spool 4, is stamped right shrouding disc 16 on right wire spool 15, left side shrouding disc 5 and shrouding disc 16 are used for optical fiber is blocked, in case optical fiber is deviate from optical fiber duct a.When optical fiber is installed, with the screw threads for fastening connector the utility model is fixedly connected on optical table, optical fiber one end is positioned between left socle 3 and the intermediate support 10, with left line ball piece 2 optical fiber is fixed, according to calculate good institute around the number of turns of optical fiber with optical fiber around in the optical fiber duct a of left wire spool 4, with the screw threads for fastening connector left shrouding disc 5 is fixed on the left wire spool 4 after the tension.Optical fiber is walked around intermediate support 10, then with optical fiber around in the optical fiber duct a of right wire spool 15, the tension back is fixed on right shrouding disc 16 on the right wire spool 15 with the screw threads for fastening connector, the other end with optical fiber is fixed on the right line ball piece 18 at last.In fibre system, add this fiber turns, and suitably rotate the angle of fiber turns,, suitably regulate the angle of fiber turns, can obtain the polarized light of any direction with regard to birefringent state in the may command optical fiber.
Claims (5)
1, a kind of minute adjustment optical fiber polarization controller, it is characterized in that: base [1] is provided with support and supports the supporting seat of two gear trains, on each gear train, be respectively arranged with the wire spool of processing or being manufactured with optical fiber duct [a] thereon and be provided with shrouding disc, on two gear trains, also be respectively arranged with rotor wheel or handler, be provided with left line ball piece [2] at the left end of support, right-hand member is provided with right line ball piece [18].
2, ask 1 described minute adjustment optical fiber polarization controller according to right, it is characterized in that: said gear train is a worm and gear, on the endless screw support that worm screw is arranged on base connects, worm screw is provided with rotor wheel or handler, and worm gear is provided with wire spool.
3, according to the said minute adjustment optical fiber polarization controller of claim 2, it is characterized in that: said worm gear is a worm sector, and in worm sector revolve line on processing or be manufactured with together Baltimore groove [b] parallel with support, wire spool is arranged in the Baltimore groove [b].
4, ask 1 or 3 described minute adjustment optical fiber polarization controllers according to right, it is characterized in that: said support comprises left socle [3] and intermediate support [10] and right support [17], and left socle [3] and intermediate support [10] and right support [17] are arranged on the base [1]
5, ask 1 or 2 described minute adjustment optical fiber polarization controllers according to right, it is characterized in that: said rotor wheel or handler are handwheel, and handwheel is arranged on the end of worm screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109754 CN2651730Y (en) | 2003-11-13 | 2003-11-13 | Precision adjusting fibre-optic polarization controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109754 CN2651730Y (en) | 2003-11-13 | 2003-11-13 | Precision adjusting fibre-optic polarization controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2651730Y true CN2651730Y (en) | 2004-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320109754 Expired - Fee Related CN2651730Y (en) | 2003-11-13 | 2003-11-13 | Precision adjusting fibre-optic polarization controller |
Country Status (1)
| Country | Link |
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| CN (1) | CN2651730Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944930A (en) * | 2012-11-08 | 2013-02-27 | 电子科技大学 | Adjusting device of optical fiber polarization controller |
| CN104155754A (en) * | 2014-09-05 | 2014-11-19 | 天津迈达医学科技股份有限公司 | Electrical optical fiber polarization controller |
| CN104423076A (en) * | 2013-08-28 | 2015-03-18 | 安徽量子通信技术有限公司 | Polarization controller |
| CN109031653A (en) * | 2018-07-23 | 2018-12-18 | 北京图湃影像科技有限公司 | A kind of automatic control and adjustment fiber polarization device |
-
2003
- 2003-11-13 CN CN 200320109754 patent/CN2651730Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944930A (en) * | 2012-11-08 | 2013-02-27 | 电子科技大学 | Adjusting device of optical fiber polarization controller |
| CN104423076A (en) * | 2013-08-28 | 2015-03-18 | 安徽量子通信技术有限公司 | Polarization controller |
| CN104155754A (en) * | 2014-09-05 | 2014-11-19 | 天津迈达医学科技股份有限公司 | Electrical optical fiber polarization controller |
| CN104155754B (en) * | 2014-09-05 | 2017-01-25 | 天津迈达医学科技股份有限公司 | Electrical optical fiber polarization controller |
| CN109031653A (en) * | 2018-07-23 | 2018-12-18 | 北京图湃影像科技有限公司 | A kind of automatic control and adjustment fiber polarization device |
| CN109031653B (en) * | 2018-07-23 | 2024-05-10 | 图湃(北京)医疗科技有限公司 | Device for automatically controlling and adjusting polarization state of optical fiber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |