CN203870289U - Polarization maintaining fiber aligning and positioning device - Google Patents
Polarization maintaining fiber aligning and positioning device Download PDFInfo
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- CN203870289U CN203870289U CN201420190105.3U CN201420190105U CN203870289U CN 203870289 U CN203870289 U CN 203870289U CN 201420190105 U CN201420190105 U CN 201420190105U CN 203870289 U CN203870289 U CN 203870289U
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- optical fibre
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- 230000010287 polarization Effects 0.000 title claims abstract description 81
- 239000000835 fiber Substances 0.000 title abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 239000013307 optical fiber Substances 0.000 claims description 81
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a polarization maintaining fiber aligning and positioning device which comprises the components of: an operation platform, an optical microscope and a computer. The operation platform is provided with a positioning platform with a horizontal upper surface. The operation platform is also provided with a supporting board. The upper surface of the positioning platform is also provided with a second horizontal tank, a third horizontal tank and a first horizontal tank; wherein the second horizontal tank, the third horizontal tank and the first horizontal tank are coaxially arranged and connected successively. The radial structures of the three horizontal tanks are respectively matched with the outer contour of the polarization maintaining fiber, the outer contour of a needle insertion sleeve and the outer contour of a ceramic insertion needle. The supporting board is provided with a rotating shaft. The upper surface of the rotating shaft is provided with a fourth horizontal tank of which the radial structure is matched with the outer contour of the polarization maintaining fiber. The axes of the first horizontal tank, the second horizontal tank, the third horizontal tank and the fourth horizontal tank are level with the center of the optical microscope. The polarization maintaining fiber aligning and positioning device has advantages of: simple structure, high alignment speed of the polarization maintaining fiber, high accuracy, simple operation, convenient assembling and high efficiency. The polarization maintaining fiber aligning and positioning device is suitable for alignment and positioning when the polarization maintaining fiber is assembled with a movable connector.
Description
Technical field
The utility model belongs to optical-fibre communications and Fibre Optical Sensor communication technique field, specifically a kind of polarization maintaining optical fibre aligning, locating device.
Background technology
In the process of actual optical signal transmission, the extraneous stress being subject to due to optical fiber is constantly to change along with the variation of environment and temperature, and therefore, the light polarization mode in ordinary optic fibre is unsettled.And polarization maintaining optical fibre introduces at inside of optical fibre the interference that light birefringence effect resists external STRESS VARIATION, maintain the polarization mode of transmission light in Optical Fiber Transmission.
Polarization maintaining optical fibre keeps the quality of polarization state to depend on the incident state of polarized light, requires the polarization state of polarized light and slow (soon) direction of principal axis of polarization maintaining optical fibre to be coupled and aligned.In the time that polarization maintaining optical fibre and flexible jumper are assembled, any small rotation of connector can cause the rapid decline, particularly lock pin of device index and optical fiber in the time that assembling coordinates, and product easily produces axially eccentric.And to ensure that the polarization mode of transmitting in optical fiber still keeps high extinction ratio after connector, in two optical fiber that continued, slow axis or fast shaft alignement are crucial.At present, existing fiber orientation alignment device just plays fixing and spacing effect, orientation angle limits to some extent, can not realize 360 ° of adjustment, polarization maintaining optical fibre is difficult to adjust to the position of optimum performance, the product of producing is difficult to fully ensure on consistency of performance, brings line loss too much while use.
Notification number is the Chinese utility model patent of CN202256781U, a kind of Novel polarization-maintaining optical fiber moveable connector and producing device thereof are disclosed, comprise collimating apparatus, polaroid, ring flange and extinction ratio meter, polarization-maintaining optical fiber moveable connector to be produced, collimating apparatus, polaroid, ring flange, polarization-maintaining optical fiber moveable connector to be produced and extinction ratio meter are with this line spread, access extinction ratio meter in polarization-maintaining optical fiber moveable connector one end to be produced, one end is accessed described positioning key and is played folk prescription in consistent ring flange with polaroid, polarization-maintaining optical fiber moveable connector is to realize being coupled and aligned of polarization mode by accurate positioning key, aim at by the contact pin component that rotates polarization-maintaining optical fiber moveable connector inside to be produced.But, because contact pin component is shorter, less, rotate inconvenience, in the process of rotating contact pin component, optical fiber also rotates thereupon in addition, and alignment speed is slow, and effect is not ideal enough.
Utility model content
In order to solve the above problems, the utility model provides a kind of polarization maintaining optical fibre aligning, locating device, by fixing respectively to the contact pin component in flexible jumper and polarization maintaining optical fibre, aim at by rotating polarization maintaining optical fibre, device is simple, easy operating, and polarization maintaining optical fibre alignment speed is fast, accuracy is high, simple to operate.
For achieving the above object, the technical scheme that the utility model adopts is as follows:
A kind of polarization maintaining optical fibre is aimed at, locating device, comprises operator's console, optical microscope, the computing machine being connected by wire with optical microscope; Operator's console is provided with the positioning table with upper horizontal surface, is also provided with back up pad; The upper surface of positioning table is provided with the second level trough, the 3rd level trough, the first level trough that conllinear distributes and be connected successively, and the radial structure of this three level trough is suitable with polarization maintaining optical fibre outline, contact pin sleeve outline, contact pin outline respectively; In back up pad, be also provided with rotating shaft, rotating shaft upper surface is provided with radial structure and suitable the 4th level trough of polarization maintaining optical fibre outline; The central axis of first to fourth level trough flushes with optical microscope center.
One as above-mentioned utility model limits, and is also provided with the briquetting that can flatly be positioned at perpendicularly the second top, level trough middle part with the bearing of trend of the second level trough on positioning table, and the position with the clamping of briquetting phase of this positioning table is inlaid with magnet.
The second as above-mentioned utility model limits, and described back up pad comprises the first back up pad and the second back up pad, is respectively equipped with the suitable groove of circumferential structure and rotating shaft outline in the first back up pad and the second back up pad.
As the third restriction of above-mentioned utility model, described rotating shaft outside is provided with for fixing the suitable fixed cap of polarization maintaining optical fibre and circumferential structure and rotating shaft outline, fixed cap inside is provided with along the extension of polarization maintaining optical fibre length direction and radial structure and suitable the 5th level trough of polarization maintaining optical fibre outline, and fixed cap top is provided with the first screw for conveniently picking and placeing fixed cap.
As the 4th kind of restriction of above-mentioned utility model, described fixed cap outside is provided with sleeve, and upper cartridge is provided with for by the second fixing screw of fixed cap and polarization maintaining optical fibre.
As the 5th kind of restriction of above-mentioned utility model, the residing positioning table of described the first level trough inside is provided with heat block, and heat block is connected with external power source by wire.
As the 6th kind of restriction of above-mentioned utility model, described rotating shaft is away from being also set with the roller of being convenient to rotation outside one end of optical microscope, and roller is placed in the groove of circumferential structure and suitable the second back up pad of roller outline.
The utility model also has a kind of restriction, and described operator's console and the below of optical microscope are respectively equipped with the support of the straight-line displacement that can carry operator's console and three directions of optical microscope generation X, Y, Z axis.
In sum, the utility model polarization maintaining optical fibre alignment locating device is simple in structure, by fixing respectively to the contact pin component in flexible jumper and polarization maintaining optical fibre, aim at by rotating polarization maintaining optical fibre, polarization maintaining optical fibre alignment speed is fast, and accuracy is high, simple to operate, easy to assembly, efficiency is high.
When being applicable to polarization maintaining optical fibre and assembling with flexible jumper, the utility model aims at location.
Brief description of the drawings
Fig. 1 is the one-piece construction vertical view of the utility model embodiment;
Fig. 2 is the structural representation of middle positioning table 2 embodiment illustrated in fig. 1;
Fig. 3 is the front view of middle operator's console 1 embodiment illustrated in fig. 1;
Fig. 4, Fig. 5 are respectively front view and the upward views of middle sleeve 7 embodiment illustrated in fig. 1;
Fig. 6, Fig. 7 are respectively front view and the upward views of middle fixed cap 6 embodiment illustrated in fig. 1;
Fig. 8 is the structural representation of middle flexible jumper contact pin component embodiment illustrated in fig. 1.
In figure: 1-operator's console, 2-positioning table, 3-the 3rd level trough, 4-briquetting, 5-the first back up pad, 6-fixed cap, 7-sleeve, 8-rotating shaft, 9-the second back up pad, 10-the second level trough, 11-the first level trough, 12-the 4th level trough, 13-contact pin, 14-contact pin sleeve, 15-optical microscope, 16-computing machine, 61-the first screw, 62-the 5th level trough, 71-the second screw, 72-breach, 21-magnet.
Embodiment
embodimenta kind of polarization maintaining optical fibre is aimed at, locating device
As shown in Figure 1, this example is that a kind of polarization maintaining optical fibre is aimed at, locating device, and it comprises operator's console 1, conventional optical microscope 15 in prior art, the computing machine 16 being connected by wire with optical microscope 15.
Operator's console 1 upper surface right part is fixed with positioning table 2, and operator's console 1 upper surface left end is provided with back up pad.
As shown in Figure 8, the contact pin component 8 in flexible jumper is made up of contact pin 13 and contact pin sleeve 14, and positioning table 2 is provided with radial structure and suitable the first level trough 11 of contact pin 13 outlines near the upper surface of operator's console 1 right part.The left end upper surface of positioning table 2 is provided with radial structure and suitable the second level trough 10 of polarization maintaining optical fibre outline.The middle part of positioning table 2 upper surfaces is corresponding to the position between the first level trough 11 and the second level trough 10, for being connected and conllinear setting between radial structure and suitable the 3rd level trough 3, the first level troughs 11 of contact pin sleeve 14 outlines, the 3rd level trough 3, the second level trough 10.
Back up pad upper limit has rotating shaft 8.Rotating shaft 8 upper surfaces are provided with radial structure and suitable the 4th level trough 12 of polarization maintaining optical fibre outline.The central axis of the 4th level trough 12, with the central axis conllinear of the first level trough 11, the second level trough 10, the 3rd level trough 3.
In order to save material, reduce costs, back up pad comprises the first back up pad 5 and the second back up pad 9, and as shown in Figure 2, the first back up pad 5 is located at the postmedian of operator's console 1 upper surface, and the second back up pad 9 is located at the left part of operator's console 1 upper surface.
As shown in Figure 3, for the frictional resistance that reduces rotating shaft 8 in rotation process and between the first back up pad 5 and the second back up pad 9, rotating shaft 8 is designed to cylindrical-shaped structure, the right-hand member of rotating shaft 8 has a tangent plane extending along polarization maintaining optical fibre length direction, tangent plane is provided with to radial structure and the polarization maintaining optical fibre outline of the 4th level trough 12, the four level troughs 12 of the central axial direction depression of rotating shaft 8 suitable.
The first back up pad 5 upper surfaces be provided with circumferential structure and rotating shaft 8 outlines suitable carry out spacing groove for countershaft 8.For the ease of rotation, have roller at the left end overcoat of rotating shaft 8, rotating shaft 8 is through the center of roller, and is placed in the second back up pad 9, the second back up pad 9 upper surfaces be provided with circumferential structure and roller outline suitable carry out spacing groove for pair roller.
In order to fix better polarization maintaining optical fibre, prevent there is larger displacement in the process of rotating, on positioning table 2, be also provided with the briquetting 4 that can flatly be positioned at perpendicularly the second level trough 10 tops, middle part with the bearing of trend of the second level trough 10.As shown in Figure 2, one end of briquetting 4 be articulated with on positioning table 2 corresponding to the second level trough 10 the position of a side, its other end can be stuck on positioning table 2 position corresponding to the opposite side of the second tank 10, and the position with briquetting 4 phase clampings of this positioning table 2 is inlaid with magnet 21.
The upper surface of rotating shaft 8 is provided with the fixed cap 6 suitable with rotating shaft 8 upper surface outlines, fixed cap 6 inside surfaces are provided with along the extension of polarization maintaining optical fibre length direction and radial structure and suitable the 5th level trough 62 of polarization maintaining optical fibre outline, fixed cap 6 tops are provided with the first screw 61 picking and placeing of being convenient to fixed cap, as shown in Figure 6, Figure 7; The outside of fixed cap 6 is provided with sleeve 7, and sleeve 7 bottoms are provided with along polarization maintaining optical fibre length direction the breach 72 that width is greater than polarization maintaining optical fibre diameter, and second screw 71 on sleeve 7 tops is fixed fixed cap 6 and polarization maintaining optical fibre, as shown in Figure 4, Figure 5.
The residing positioning table of the first level trough 11 2 inside can also be provided with heat block conventional in prior art, this heat block is Intelligent heating piece, when temperature is during lower than design temperature, temperature raises, while reaching design temperature, automatically cooling after holding temperature 2-3s, heat block is connected with external power source by wire.
Operator's console 1 and optical microscope 15 are individually fixed on the support of its below, and described support is existing product, can carry the straight-line displacement that operator's console 1 and optical microscope 15 produce three directions of X, Y, Z axis; Optical microscope 15 is connected with computing machine 16 by wire, and optical microscope 15 is existing product, and it conducts to the image after the amplification of polarization maintaining optical fibre fibre core interface in computing machine 16, can demonstrate the radially section structure of polarization maintaining optical fibre in computing machine 16.
The specific works principle of the present embodiment is: inwall is scribbled to the contact pin 13 of cementing agent and contact pin sleeve 14(as shown in Figure 7) be placed in respectively in first draw-in groove 11 and the 3rd draw-in groove 3 of positioning table 2, shell is peelled off in polarization maintaining optical fibre one end, expose naked fine 2-3cm, take off fixed cap 6, polarization maintaining optical fibre is pierced into from the bottom notch 72 of sleeve 7, and naked fine place is inserted in contact pin component, and polarization maintaining optical fibre is placed in the second level trough 10 and the 4th level trough 12 successively, briquetting 4 is fastened to being positioned at the top of the second level trough 10 and compressing polarization maintaining optical fibre, fixed cap 6 is placed on the tangent plane of rotating shaft 8, polarization maintaining optical fibre top is placed in the 5th level trough 62 of fixed cap 6, moving sleeve 7 is placed on fixed cap 6, screwing the second screw 71 fixes fixed cap 6 and polarization maintaining optical fibre, regulate the enlargement ratio of optical microscope 15, the support of the support of adjustment operation platform 1 bottom and optical microscope 15 bottoms, make optical microscope 15, the 4th level trough 12, the first level trough 11, the second level trough 10, the center of the 3rd level trough 3 flushes, by rotating polarization maintaining optical fibre, observe the polarization maintaining optical fibre fibre core interface image clearly in computing machine 16, judge according to image, aim at the fast axle (slow axis) of polarization maintaining optical fibre, in the process of alignment function, open the external power switch that positioning table 2 inside are provided with heat block, before 80 DEG C of design temperatures to be risen to, carry out polarization maintaining optical fibre aligning, after temperature arrives design temperature, the cementing agent of contact pin inside is adhesively fixed polarization maintaining optical fibre and contact pin, deblocking temperature to be heated takes off the polarization maintaining optical fibre after combination after declining, assemble again other loose mail.
The polarization maintaining optical fibre alignment locating device that the present embodiment provides, by fixing respectively to the contact pin component in flexible jumper and polarization maintaining optical fibre, aims at by rotating polarization maintaining optical fibre, device is simple, easy operating, and polarization maintaining optical fibre alignment speed is fast, accuracy is high, simple to operate.
Above-described embodiment is only preferred embodiment of the present utility model, be not the restriction of other form that the utility model is done, any those skilled in the art may utilize above-mentioned technology contents to be changed or be modified as the equivalent embodiment of equivalent variations as enlightenment.In every case be the technical spirit that does not depart from the utility model claim, the simple modification that above embodiment has been done, equivalent variations and remodeling, still belong to the scope that the utility model claim is protected.
Claims (8)
1. polarization maintaining optical fibre aligning, a locating device, comprise operator's console (1), optical microscope (15), and the computing machine (16) being connected by wire with optical microscope (15),
it is characterized in that:operator's console (1) is provided with the positioning table (2) with upper horizontal surface, is also provided with back up pad; The upper surface of positioning table (2) is provided with the second level trough (10), the 3rd level trough (3), the first level trough (11) that conllinear distributes and be connected successively, and the radial structure of this three level trough is suitable with polarization maintaining optical fibre outline, contact pin sleeve (14) outline, contact pin (13) outline respectively; In back up pad, be also provided with rotating shaft (8), rotating shaft (8) upper surface is provided with radial structure and suitable the 4th level trough (12) of polarization maintaining optical fibre outline; The central axis of first to fourth level trough (11,10,3,12) flushes with optical microscope (15) center.
2. polarization maintaining optical fibre aligning according to claim 1, locating device,
it is characterized in that:on positioning table (2), be also provided with the briquetting (4) that can flatly be positioned at perpendicularly the second level trough 10 tops, middle part with the bearing of trend of the second level trough (10), the position with briquetting (4) phase clamping of this positioning table (2) is inlaid with magnet (21).
3. polarization maintaining optical fibre aligning according to claim 1, locating device,
it is characterized in that:described back up pad comprises the first back up pad (5) and the second back up pad (9), is respectively equipped with the suitable groove of circumferential structure and rotating shaft (8) outline in the first back up pad (5) and the second back up pad (9).
4. polarization maintaining optical fibre aligning according to claim 1, locating device,
it is characterized in that:described rotating shaft (8) outside is provided with for fixing the suitable fixed cap (6) of polarization maintaining optical fibre and circumferential structure and rotating shaft (8) outline, fixed cap (6) inside surface is provided with along the extension of polarization maintaining optical fibre length direction and radial structure and suitable the 5th level trough (62) of polarization maintaining optical fibre outline, and fixed cap (6) top is provided with the first screw (61) for conveniently picking and placeing fixed cap (6).
5. polarization maintaining optical fibre aligning according to claim 1, locating device,
it is characterized in that:described fixed cap (6) outside is provided with sleeve (7), and sleeve (7) top is provided with the second screw (71) for fixed cap (6) and polarization maintaining optical fibre are fixed.
6. polarization maintaining optical fibre aligning according to claim 1, locating device,
it is characterized in that:the residing positioning table of described the first level trough (11) (2) inside is provided with heat block, and heat block is connected with external power source by wire.
According to polarization maintaining optical fibre described in any one in claim 1-6 aim at, locating device,
it is characterized in that:described rotating shaft (8) is away from being also set with the roller of being convenient to rotation outside one end of optical microscope (15), roller is placed in the groove of circumferential structure and suitable the second back up pad (9) of roller outline.
According to polarization maintaining optical fibre described in any one in claim 1-6 aim at, locating device,
it is characterized in that:described operator's console (1) and the below of optical microscope (15) are respectively equipped with the support of the straight-line displacement that can carry operator's console (1) and three directions of optical microscope (15) generation X, Y, Z axis.
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CN201420190105.3U CN203870289U (en) | 2014-04-18 | 2014-04-18 | Polarization maintaining fiber aligning and positioning device |
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CN201420190105.3U CN203870289U (en) | 2014-04-18 | 2014-04-18 | Polarization maintaining fiber aligning and positioning device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104677533A (en) * | 2015-02-04 | 2015-06-03 | 湖北师范学院 | Optical fiber pressure sensor |
CN105022122A (en) * | 2015-04-29 | 2015-11-04 | 中航光电科技股份有限公司 | Manufacturing device and manufacturing method for contact element component of polarization-maintaining optical fiber connector |
CN105467524A (en) * | 2015-12-11 | 2016-04-06 | 河南仕佳光子科技有限公司 | An apparatus for manufacturing a polarization maintaining fiber array and an application method thereof |
CN109507771A (en) * | 2018-11-16 | 2019-03-22 | 北京航天时代光电科技有限公司 | A kind of polarization maintaining optical fibre end face is to shaft device and method |
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 |
-
2014
- 2014-04-18 CN CN201420190105.3U patent/CN203870289U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104677533A (en) * | 2015-02-04 | 2015-06-03 | 湖北师范学院 | Optical fiber pressure sensor |
CN105022122A (en) * | 2015-04-29 | 2015-11-04 | 中航光电科技股份有限公司 | Manufacturing device and manufacturing method for contact element component of polarization-maintaining optical fiber connector |
CN105467524A (en) * | 2015-12-11 | 2016-04-06 | 河南仕佳光子科技有限公司 | An apparatus for manufacturing a polarization maintaining fiber array and an application method thereof |
CN105467524B (en) * | 2015-12-11 | 2017-07-07 | 河南仕佳光子科技股份有限公司 | Prepare the device and its application method of polarization maintaining optical fibre array |
CN109507771A (en) * | 2018-11-16 | 2019-03-22 | 北京航天时代光电科技有限公司 | A kind of polarization maintaining optical fibre end face is to shaft device and method |
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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