CN202421539U - Electric control polarization-preserving optical fiber coupling clamp - Google Patents
Electric control polarization-preserving optical fiber coupling clamp Download PDFInfo
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- CN202421539U CN202421539U CN2011205584167U CN201120558416U CN202421539U CN 202421539 U CN202421539 U CN 202421539U CN 2011205584167 U CN2011205584167 U CN 2011205584167U CN 201120558416 U CN201120558416 U CN 201120558416U CN 202421539 U CN202421539 U CN 202421539U
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- optical fiber
- automatically controlled
- fibre
- optical
- polarization maintaining
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Abstract
The utility model discloses an electric control polarization-preserving optical fiber coupling clamp which mainly comprises an optical fiber clamp head (1), a locking cylinder (2), a bracket (3), a rear optical fiber bracket (4) and an electric control angle-adjusting plate (5), wherein the optical fiber clamp head (1) is mounted on the locking cylinder (2) and is integrally fixed on the electric control angle-adjusting plate (5); the rear optical fiber bracket (4) is directly mounted on the electric control angle-adjusting plate (5); and the rear optical fiber bracket (4) is located right under the bracket (3). By using the accurate electric control angle-adjusting plate (5) according to the utility model, an optical fiber is integrally rotated without releasing an optical fiber clamp, and the accurate control on a differential angle theta between a slow axis of a polarization-preserving optical fiber and a polarization direction of an emergent light of a laser device is realized in the coupling process of the polarization-preserving optical fiber.
Description
Technical field
The utility model relates to optical communication and uses the laser instrument coupling cramp, relates in particular to a kind of automatically controlled polarization maintaining optical fibre coupling cramp.
Background technology
The light that semiconductor laser device for communication sends is linearly polarized light, and when it transmits in general single mode fiber, if optical fiber bends or kinking, the polarization state of light signal will change.The polarization state of light signal is its very important a kind of optical characteristics; Polarization state to light signal in many application explicitly calls for; Need to use the polarization relevant source; Like SLED, promptly need polarization extinction ratio (PER)>20dB or higher, so just need the light of chip of laser outgoing directly be coupled in the polarization maintaining optical fibre and use.General chip of laser coupling work only should be noted that the control coupled power gets final product, but in the coupling process of polarization maintaining optical fibre, also need monitor polarization extinction ratio (PER).
Fig. 1 is for polarization maintaining optical fibre coupling angle synoptic diagram, and is as shown in Figure 1, in the coupling process of polarization maintaining optical fibre, needs the anglec of rotation of adjustment polarization maintaining optical fibre, makes the slow axis of polarization maintaining optical fibre and laser emitting polarisation of light direction overlap.If there is differential seat angle θ in both, then polarization extinction ratio (PER) will be affected and diminish, and differential seat angle θ and PER relation can be expressed as:
PER≦-10log(tan2θ)
Shown in following formula, PER reaches 20 if desired, and then θ need be less than 6 degree; PER reaches 30 if desired, and then the θ angle need be less than 1.8 degree.Can know by top result of calculation, in the coupling process of polarization maintaining optical fibre, obtain higher polarization extinction ratio if desired, then need rotate polarization maintaining optical fibre, simultaneously need be accurately controlled to the angle of rotation.
Present widely used butterfly laser fiber coupling cramp; Generally just constitute by a simple fibre clip; Cooperate three-dimensional adjustable shelf to use, be coupled, in coupling process, only need parameter of monitoring optical power size to get final product through the relative three-dimensional position of regulating optical fiber and laser instrument; And in the coupling process of polarization maintaining optical fibre, need two parameters of monitoring optical power and polarization extinction ratio, when luminous power being coupled to maximum, also need polarization extinction ratio be adjusted to the scope of regulation through the mode of spin fiber.Use existing anchor clamps coupling polarization maintaining optical fibre, need earlier luminous power to be coupled to required value, and then unclamp fibre clip hand rotation optical fiber; Regulate polarization extinction ratio, because of not having accurate angle regulating function, so be difficult to realize the polarization extinction ratio effect of expection; Simultaneously, in the process of rotating optical fiber, also can cause the change of optical fiber and laser instrument relative position; Cause the variation of luminous power, need carry out the power coupling once more, so; Generally the process on repeat many times after, also differing all is adjusted to required value with luminous power and polarization extinction ratio surely.
Summary of the invention
In view of this; The fundamental purpose of the utility model is to provide a kind of automatically controlled polarization maintaining optical fibre coupling cramp; Use accurate automatically controlled angular adjustment dish, under the situation of not unclamping fibre clip, can whole spin fiber; Make in the coupling process that carries out polarization maintaining optical fibre, can realize the slow axis of polarization maintaining optical fibre and the accurate control at the differential seat angle θ angle between the laser emitting polarisation of light direction.
For achieving the above object, the technical scheme of the utility model is achieved in that
A kind of automatically controlled polarization maintaining optical fibre coupling cramp, it mainly comprises Fibre cartridge for optical connector 1, lock cylinder 2, support 3, optical fiber after-poppet 4 and automatically controlled angular adjustment dish 5; Said Fibre cartridge for optical connector 1 is installed on the lock cylinder 2, is fixed on as a whole on the automatically controlled angular adjustment dish 5, and optical fiber after-poppet 4 is directly installed on the automatically controlled angular adjustment dish 5, said optical fiber after-poppet 4 be positioned at support 3 under.
Wherein, offer on the said Fibre cartridge for optical connector 1 and be used to realize the pinpoint optical fiber V groove 7 of optical fiber.
Said Fibre cartridge for optical connector 1 makes the center of the optical fiber V groove 7 on the said Fibre cartridge for optical connector 1 overlap with the turning axle of automatically controlled angular adjustment dish 5 through support 3 adjusting positions.
Said Fibre cartridge for optical connector 1 is processed by graphite material.
Said lock cylinder 2 is through regulating the dynamics that air pressure is controlled the optical fiber clamping that drives.
V groove 8 overlaps with the turning axle of said automatically controlled angular adjustment dish 5 behind the optical fiber of said optical fiber after-poppet 4.
Further be provided with the magnet 9 and optical fiber briquetting 10 that are used for pressure holding optical fiber on the said optical fiber after-poppet 4.
The automatically controlled polarization maintaining optical fibre coupling cramp that the utility model provided has the following advantages:
This polarization maintaining optical fibre coupling cramp; Have polarization maintaining optical fibre clamping and optical fiber spinfunction, using these anchor clamps to carry out in the polarization maintaining optical fibre coupling process, earlier luminous power is coupled to the value of regulation; Need not unclamp fibre clip then; That can realize optical fiber accurately can repeat rotation, and polarization extinction ratio is adjusted to the scope that needs, and can improve coupling efficiency widely.Its mechanism's running accuracy can reach 0.05 °, and it is coaxial with fiber optic hub to execute rotating shaft.
Description of drawings
Fig. 1 polarization maintaining optical fibre coupling angle synoptic diagram.
The automatically controlled polarization maintaining optical fibre coupling cramp of Fig. 2 the utility model structural drawing.
Fig. 3 is a Fibre cartridge for optical connector detail view shown in Figure 2.
Fig. 4 is an optical fiber after-poppet detail view shown in Figure 2.
Fig. 5 is the automatically controlled polarization maintaining optical fibre coupling cramp user mode figure of the utility model.
[primary clustering symbol description]
1: Fibre cartridge for optical connector
2: lock cylinder
3: support
4: the optical fiber after-poppet
5: automatically controlled angular adjustment dish
6: optical fiber
7: the optical fiber V groove
8: V groove behind the optical fiber
9: magnet
10: the optical fiber briquetting
11: treat coupled apparatus.
Embodiment
Embodiment below in conjunction with accompanying drawing and the utility model does further detailed explanation to this automatically controlled polarization maintaining optical fibre coupling cramp.
Fig. 2 is the automatically controlled polarization maintaining optical fibre coupling cramp of the utility model structural drawing, and is as shown in Figure 2, and the integral installation distribution structure of these anchor clamps is following:
These anchor clamps are mainly by Fibre cartridge for optical connector 1 (as shown in Figure 3), lock cylinder 2, and support 3, optical fiber after-poppet 4 (as shown in Figure 4) and automatically controlled angular adjustment dish 5 are formed.
Wherein, Fibre cartridge for optical connector 1 is installed on the lock cylinder 2, and on automatically controlled angular adjustment dish 5, optical fiber after-poppet 4 is directly installed on the automatically controlled angular adjustment dish 5 as an overall fixed for it, be positioned at support 3 under.
During assembling, need to regulate the position of Fibre cartridge for optical connector 1, make the center of the optical fiber V groove 7 on the Fibre cartridge for optical connector 1 overlap with the turning axle of automatically controlled angular adjustment dish 5 through support 3.Optical fiber after-poppet 4 is directly installed on the automatically controlled angular adjustment dish 5, need during installation will long V groove optical fiber after V groove 8 also overlap with the turning axle of automatically controlled angular adjustment dish 5.The effect of optical fiber after-poppet 4 is fixed fibers, and optical fiber V groove 7 is used for confirming the position of optical fiber.Optical fiber after-poppet 4 is provided with magnet 9 and optical fiber briquetting 10, plays the effect of pressure holding optical fiber.
In the utility model; Use graphite material to make Fibre cartridge for optical connector 1, graphite has good machining property, can make accurate optical fiber V groove 7 in the above and come grip optical fiber; Compare general metal material simultaneously; The hardness of graphite is relatively low, and it has reasonable greasy property, so can avoid the damage of chuck to optical fiber well.Fibre cartridge for optical connector 1 is installed on the lock cylinder 2, and the folding through lock cylinder realizes the clamping of optical fiber and unclamps; Lock cylinder 2 drives through air pressure, regulates the size of input air pressure, can very accurately regulate the pressure of chuck to optical fiber.
Existing optical fiber coupling cramp has only the optical fiber holding function, does not have integrally rotated function, is not suitable for very much the coupling of polarization maintaining optical fibre; And the automatically controlled polarization maintaining optical fibre coupling cramp of the utility model, can whole spin fiber, in actual practicality; Itself and the three-dimensional adjustable shelf of standard are used; Earlier luminous power is coupled to maximal value, and then through automatically controlled angular adjustment dish 5, whole spin fiber; Regulate the θ angle, thereby reach maximum polarization extinction ratio.
Fig. 5 is the automatically controlled polarization maintaining optical fibre coupling cramp user mode figure of the utility model, and is as shown in Figure 5, shown the relativeness of protecting these anchor clamps and other devices in the use of inclined to one side coupling cramp at this.The entire work process of these anchor clamps is: this clamps on three-dimensional micropositioning stage, through regulating three-dimensional micropositioning stage, is positioned over laser instrument shell inside earlier with Fibre cartridge for optical connector 1; Lock cylinder is opened in the chip of laser dead ahead earlier, makes Fibre cartridge for optical connector 1 open; Then polarization maintaining optical fibre is penetrated into the ad-hoc location in the shell; Close lock cylinder then, make Fibre cartridge for optical connector 1 clamp polarization maintaining optical fibre, then through the fixing polarization maintaining optical fibre that passes in the shell of optical fiber after-poppet 4.At this moment, the retained part of device is accomplished basically, in coupling process; Drive device 8 earlier and make it luminous, begin coupling, while monitoring optical power and polarization extinction ratio in the process of coupling; But in the process of coupling; Earlier luminous power is coupled to claimed range, the automatically controlled angular adjustment dish 5 of rotation under the state that polarization maintaining optical fibre steps up is adjusted to maximal value with polarization extinction ratio then.
The above is merely the preferred embodiment of the utility model, is not in order to limit the protection domain of the utility model.
Claims (7)
1. an automatically controlled polarization maintaining optical fibre coupling cramp is characterized in that, it mainly comprises Fibre cartridge for optical connector (1), lock cylinder (2), support (3), optical fiber after-poppet (4) and automatically controlled angular adjustment dish (5); Said Fibre cartridge for optical connector (1) is installed on the lock cylinder (2); Be fixed on as a whole on the automatically controlled angular adjustment dish (5); Optical fiber after-poppet (4) is directly installed on the automatically controlled angular adjustment dish (5), said optical fiber after-poppet (4) be positioned at support (3) under.
2. automatically controlled polarization maintaining optical fibre coupling cramp as claimed in claim 1 is characterized in that, offers on the said Fibre cartridge for optical connector (1) to be used to realize the pinpoint optical fiber V groove of optical fiber (7).
3. according to claim 1 or claim 2 automatically controlled polarization maintaining optical fibre coupling cramp; It is characterized in that; Said Fibre cartridge for optical connector (1) makes the center of the optical fiber V groove (7) on the said Fibre cartridge for optical connector (1) overlap with the turning axle of automatically controlled angular adjustment dish (5) through support (3) adjusting position.
4. automatically controlled polarization maintaining optical fibre coupling cramp as claimed in claim 3 is characterized in that said Fibre cartridge for optical connector (1) is processed by graphite material.
5. automatically controlled polarization maintaining optical fibre coupling cramp as claimed in claim 1 is characterized in that, said lock cylinder (2) is through regulating the dynamics that air pressure is controlled the optical fiber clamping that drives.
6. automatically controlled polarization maintaining optical fibre coupling cramp as claimed in claim 1 is characterized in that, V groove (8) overlaps with the turning axle of said automatically controlled angular adjustment dish (5) behind the optical fiber of said optical fiber after-poppet (4).
7. automatically controlled polarization maintaining optical fibre coupling cramp as claimed in claim 6 is characterized in that, further is provided with the magnet (9) and optical fiber briquetting (10) that are used for pressure holding optical fiber on the said optical fiber after-poppet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205584167U CN202421539U (en) | 2011-12-28 | 2011-12-28 | Electric control polarization-preserving optical fiber coupling clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205584167U CN202421539U (en) | 2011-12-28 | 2011-12-28 | Electric control polarization-preserving optical fiber coupling clamp |
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| Publication Number | Publication Date |
|---|---|
| CN202421539U true CN202421539U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205584167U Expired - Lifetime CN202421539U (en) | 2011-12-28 | 2011-12-28 | Electric control polarization-preserving optical fiber coupling clamp |
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Cited By (12)
| 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 |
| CN103779768A (en) * | 2014-01-26 | 2014-05-07 | 江苏天元激光科技有限公司 | Hand-operated dimming device of optical fiber output laser device |
| CN104444585A (en) * | 2014-12-04 | 2015-03-25 | 中天科技光纤有限公司 | Special optical fiber drawing switching clamp for take-up machine |
| CN106908902A (en) * | 2017-04-14 | 2017-06-30 | 上海康阔光传感技术股份有限公司 | Optical fiber splicer and optical fiber splicing method |
| CN108873183A (en) * | 2018-06-07 | 2018-11-23 | 北京航空航天大学 | A kind of hard and soft mixed type fiber clamp with two-dimensional attitude regulatory function |
| CN108957648A (en) * | 2018-10-15 | 2018-12-07 | 中南大学 | A kind of upper fixture for photodetection automatic coupling equipment |
| CN109443699A (en) * | 2018-11-16 | 2019-03-08 | 苏州伊欧陆***集成有限公司 | A kind of edge-emitting laser slide glass test fiber-optical coupled cramping apparatus system |
| CN109491023A (en) * | 2018-11-21 | 2019-03-19 | 湖北菲尔博光电技术有限公司 | Butterfly laser automatic coupling grasping system and its application method |
| CN109683258A (en) * | 2018-12-29 | 2019-04-26 | 中南大学 | Fiber clamp for butterfly semiconductor laser automatic coupling package |
| CN111673647A (en) * | 2020-06-28 | 2020-09-18 | 南京邮电大学 | Stable concentric polarization-maintaining multi-core optical fiber rotary clamp |
| CN113580440A (en) * | 2020-04-30 | 2021-11-02 | 依视路国际公司 | Tape removal machine and method for removing tape from lens mold assemblies |
| CN113608308A (en) * | 2021-09-30 | 2021-11-05 | 武汉驿路通科技股份有限公司 | Coupling device and coupling method for polarization maintaining fiber and optical isolator |
-
2011
- 2011-12-28 CN CN2011205584167U patent/CN202421539U/en not_active Expired - Lifetime
Cited By (16)
| 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 |
| CN103779768A (en) * | 2014-01-26 | 2014-05-07 | 江苏天元激光科技有限公司 | Hand-operated dimming device of optical fiber output laser device |
| CN103779768B (en) * | 2014-01-26 | 2017-10-10 | 江苏天元激光科技有限公司 | Optical fiber output laser hand-operating light equipment |
| CN104444585A (en) * | 2014-12-04 | 2015-03-25 | 中天科技光纤有限公司 | Special optical fiber drawing switching clamp for take-up machine |
| CN106908902A (en) * | 2017-04-14 | 2017-06-30 | 上海康阔光传感技术股份有限公司 | Optical fiber splicer and optical fiber splicing method |
| CN108873183A (en) * | 2018-06-07 | 2018-11-23 | 北京航空航天大学 | A kind of hard and soft mixed type fiber clamp with two-dimensional attitude regulatory function |
| CN108957648B (en) * | 2018-10-15 | 2019-07-19 | 中南大学 | A kind of upper fixture for photodetection automatic coupling equipment |
| CN108957648A (en) * | 2018-10-15 | 2018-12-07 | 中南大学 | A kind of upper fixture for photodetection automatic coupling equipment |
| CN109443699A (en) * | 2018-11-16 | 2019-03-08 | 苏州伊欧陆***集成有限公司 | A kind of edge-emitting laser slide glass test fiber-optical coupled cramping apparatus system |
| CN109491023A (en) * | 2018-11-21 | 2019-03-19 | 湖北菲尔博光电技术有限公司 | Butterfly laser automatic coupling grasping system and its application method |
| CN109683258A (en) * | 2018-12-29 | 2019-04-26 | 中南大学 | Fiber clamp for butterfly semiconductor laser automatic coupling package |
| CN113580440A (en) * | 2020-04-30 | 2021-11-02 | 依视路国际公司 | Tape removal machine and method for removing tape from lens mold assemblies |
| CN113580440B (en) * | 2020-04-30 | 2023-05-02 | 依视路国际公司 | Adhesive tape removing machine and method for removing adhesive tape of lens mold assembly |
| CN111673647A (en) * | 2020-06-28 | 2020-09-18 | 南京邮电大学 | Stable concentric polarization-maintaining multi-core optical fiber rotary clamp |
| CN113608308A (en) * | 2021-09-30 | 2021-11-05 | 武汉驿路通科技股份有限公司 | Coupling device and coupling method for polarization maintaining fiber and optical isolator |
| CN113608308B (en) * | 2021-09-30 | 2021-12-31 | 武汉驿路通科技股份有限公司 | Coupling device and coupling method for polarization maintaining fiber and optical isolator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |