CN211293350U - Optical fiber interconnection high polarization maintaining device - Google Patents
Optical fiber interconnection high polarization maintaining device Download PDFInfo
- Publication number
- CN211293350U CN211293350U CN201921790933.XU CN201921790933U CN211293350U CN 211293350 U CN211293350 U CN 211293350U CN 201921790933 U CN201921790933 U CN 201921790933U CN 211293350 U CN211293350 U CN 211293350U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- positioning
- positioning cap
- groove
- mounting groove
- 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.)
- Withdrawn - After Issue
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 111
- 230000010287 polarization Effects 0.000 title claims abstract description 28
- 239000000919 ceramic Substances 0.000 claims abstract description 35
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 20
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 230000008033 biological extinction Effects 0.000 description 20
- 239000003292 glue Substances 0.000 description 18
- 230000003287 optical effect Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 229920006335 epoxy glue Polymers 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
An optical fiber interconnect high polarization maintaining device comprising: two optical fiber connectors, each of the optical fiber connectors comprising: the optical fiber pin is provided with; a ferrule having a fiber channel; the metal tail handle is provided with an optical fiber channel, one end of the ceramic ferrule is inserted into the metal tail handle, and the ceramic ferrule is provided with a fixed block and a first slot; the locking clamping ring is provided with a second slot matched with the first slot, and the locking clamping ring can be inserted into the first slot; one end of the elastic pad is abutted against the locking compression ring; one end of the positioning cap is connected with the fixing block, the surface of the positioning cap is provided with threads, the positioning cap is provided with a first limiting key, one side of the positioning cap is provided with a fixing groove matched with the fixing block and the locking compression ring, and the outer surface of the positioning cap is provided with threads; the rotation stopping gasket is arranged in the positioning cap, one end of the rotation stopping gasket is abutted against the elastic cushion, and one end of the fixing groove is matched with the positioning cap; and the locking nut is detachably connected with the positioning cap through threads.
Description
Technical Field
The utility model relates to an optical fiber interconnection device especially relates to an optical fiber interconnection high polarization holding device and method.
Background
The extinction ratio of the optical fiber connector refers to the ratio of the optical power P1 when the laser emits all '1' codes to the optical power P0 when the laser emits all '0' codes, the extinction ratio of the conventional polarization-maintaining optical fiber connector is about-22 dB generally at present, and the system in the application fields of polarization-sensitive coherent optical laser communication, satellite-ground ultra-long distance laser communication, polarization information sensitive detection and perception and the like puts higher requirements on the extinction ratio design of the optical fiber connector, and under the condition of low loss of optical fiber interconnection, no particularly good method is provided for reducing the extinction ratio at present.
Optical fiber connector's accent axle, it is bigger to the extinction ratio influence, if accent the axle inaccuracy can lead to optical fiber connector's extinction ratio too big, when transferring the axle to optical fiber connector at present, usually with optic fibre after the solidification in the optical fiber contact pin, use retaining member and optical fiber adapter to carry out the key-type connection, rotate optical fiber contact pin, treat that optical fiber contact pin transfers the axle to accomplish the back, fasten with retaining member through glue optical fiber contact pin and be connected, however, in connecting through glue, because the glue solidification needs longer time, consequently in the curing process, optical fiber contact pin receives external shock or the fast influence of glue solidification speed easily and deflects, make the optical fiber connector who connects into nonconformity with the requirement, thereby make the extinction ratio increase, and at this moment if dismantle the glue after will solidifying also can lead to the fact optical fiber contact pin.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a reduce optical fiber interconnection high polarization holding device and method of optic fibre extinction ratio.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a first aspect provides an optical fiber interconnection high polarization maintaining device, comprising:
two optical fiber connectors, each of the optical fiber connectors comprising:
an optical fiber stub having;
a ferrule having a fiber channel;
the metal tail handle is provided with an optical fiber channel, one end of the ceramic ferrule is inserted into the metal tail handle, and the ceramic ferrule is provided with a fixed block and a first slot;
the locking clamping ring is provided with a second slot matched with the first slot, and the locking clamping ring can be inserted into the first slot;
one end of the elastic pad is abutted against the locking compression ring;
one end of the positioning cap is connected with the fixing block, the surface of the positioning cap is provided with threads, the positioning cap is provided with a first limiting key, one side of the positioning cap is provided with a fixing groove matched with the fixing block and the locking compression ring, and the outer surface of the positioning cap is provided with threads;
the rotation stopping gasket is arranged in the positioning cap, one end of the rotation stopping gasket is abutted against the elastic cushion, and one end of the fixing groove is matched with the positioning cap;
and the locking nut is detachably connected with the positioning cap through threads.
Optical fiber interconnection high polarization holding device, wherein, the spin-stopping gasket includes:
the annular part is sleeved on the metal tail handle;
and the limiting part is arranged on the outer ring of the annular part, and one side of the fixing groove is matched with the rotation stopping gasket.
Optical fiber interconnection high polarization holding device, wherein, include:
interconnection device, different fiber connector is connected respectively at interconnection device both ends, interconnection device includes:
the square flange is internally provided with a positioning key;
the positioning core is provided with a limiting groove, the limiting groove is arranged on the positioning core, and the positioning core is fixedly connected with the square flange;
the ceramic sleeve is arranged in the positioning core, and the optical fiber contact pin is arranged in the ceramic sleeve;
the blocking sleeve is sleeved on the positioning core;
the shell is arranged on the blocking sleeve and is provided with a blocking groove, the blocking groove is matched with the optical fiber connector, one end of the blocking groove penetrates through the shell, the other end of the blocking groove is arranged in the shell, and a limiting block is arranged on the periphery of the shell;
one end of the nut is connected with the square flange through threads, and the other end of the nut is limited by the limiting block;
one end of the spring is connected with the outer side of the optical fiber connector;
and one end of the tail handle is arranged in the shell and is in threaded connection with the shell, and the inner side of the tail handle is connected with the spring.
Optical fiber interconnection high polarization keeper, wherein, the location core has a mounting groove, mounting groove one side is run through the location core, the opposite side sets up in the location core, mounting groove inner with the cooperation of ceramic bushing, the mounting groove outer end with the fender cover cooperation.
Optical fiber interconnection high polarization holding device, wherein, the spacer sleeve has a second mounting groove, second mounting groove one side is run through the spacer sleeve, the opposite side sets up in the spacer sleeve, the second mounting groove with the cooperation of ceramic sleeve, the second mounting groove outside with mounting groove threaded connection.
Optical fiber interconnection high polarization holding device, wherein, the opening length of ceramic lock pin pottery tail is 3.6 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
when the device is used, the first limiting key is arranged on the positioning cap when the optical fiber is adjusted, the first limiting key is matched with the optical fiber adapter, the optical fiber inserting needle is rotated under the condition that the locking nut and the positioning cap are not screwed down, the optical fiber inserting needle and the optical fiber adapter are adjusted, the locking nut is screwed down after the shaft adjustment is completed, the locking nut extrudes the rotation stopping gasket, the rotation stopping gasket extrudes the positioning cap, the elastic pad, the locking pressing ring and the fixing block are further extruded, the locking nut is screwed down due to the fact that the bottom of the fixing groove is extruded by the other side of the fixing block, the shaft adjustment of the optical fiber connector can be completed, the shaft adjustment of the optical fiber connector can be achieved by screwing the locking nut, the fixing speed is high, and if the optical fiber moves in the screwing process, the locking nut can be screwed down.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
FIG. 2 is a view of an embodiment of the present invention and a fiber optic adapter;
FIG. 3 is a cross-sectional view of an embodiment of the present invention in connection with a fiber optic adapter;
fig. 4 is an exploded view of an embodiment of the present invention;
fig. 5 is a cross-sectional view of the present invention;
fig. 6 is a cross-sectional view of the optical fiber ferrule of the present invention;
FIG. 7 is a view of the square flange of the present invention;
FIG. 8 is a cross-sectional view of FIG. 7;
FIG. 9 is a view of the positioning core of the present invention;
FIG. 10 is a cross-sectional view of FIG. 9;
FIG. 11 is a view of the spacer sleeve of the present invention;
FIG. 12 is a cross-sectional view of FIG. 11;
fig. 13 is a view of the housing of the present invention;
FIG. 14 is a cross-sectional view of FIG. 13;
Detailed Description
Referring to fig. 1-14, it will be understood by those skilled in the art that the terms "upper", "lower", "one end", "the other end", etc., in the present disclosure are based on the orientations and positional relationships shown in the drawings, which are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus the above terms should not be construed as limiting the present disclosure.
It should be noted that, the adjusting axis of the optical fiber connector has a large influence on the extinction ratio, if the adjusting axis is not accurate, the extinction ratio of the optical fiber connector is too large, when the optical fiber connector is adjusted at present, generally, after the optical fiber is cured in the optical fiber insertion pin, the locking member is connected with the optical fiber adapter in a key mode, the optical fiber insertion pin is rotated, after the optical fiber insertion pin is adjusted in the axis, the optical fiber insertion pin and the locking member are fastened and connected through glue, however, in the glue connection process, the glue curing needs a long time, so in the curing process, the optical fiber insertion pin is easily affected by external vibration or the glue curing speed and deflects, the connected optical fiber connector is not qualified, the extinction ratio is increased, and at this time, if the cured glue is detached, the damage of the optical fiber insertion pin is also caused.
Based on this, the present embodiment provides an optical fiber interconnection high polarization maintaining device, including:
an optical fiber stub 110 having;
a ferrule 111 having a fiber channel;
the metal tail handle 112 is provided with an optical fiber channel, one end of the ceramic ferrule 111 is inserted into the metal tail handle 112, and the ceramic ferrule is provided with a fixed block 113 and a first slot 114;
a locking collar 120 having a second slot 121 fitted with the first slot 114, and the locking collar 120 being insertable into the first slot 114;
one end of the elastic pad 130 is abutted against the locking compression ring 120;
one end of the positioning cap 140 is connected with the fixing block 113, the surface of the positioning cap is provided with threads, the positioning cap is provided with a first limit key 141, one side of the positioning cap 140 is provided with a fixing groove 142 matched with the fixing block 113 and the locking press ring 120, and the outer surface of the positioning cap is provided with threads;
a rotation stopping gasket 150, which is arranged in the positioning cap 140, one end of which is pressed against the elastic pad 130, and one end of the fixing groove 142 is matched with the positioning cap 140;
and a locking nut 160 detachably coupled to the locking cap 140 by means of a screw.
When the present embodiment is used, the positioning cap has a first limiting key 410 when adjusting the axis of the optical fiber, the device is matched with an optical fiber adapter together, the optical fiber contact pin is rotated under the condition that the locking nut and the positioning cap of the device are not screwed down, the optical fiber contact pin and the optical fiber adapter are subjected to shaft adjustment, the locking nut is screwed down after the shaft adjustment is finished, the locking nut extrudes the rotation-stopping gasket, the rotation-stopping gasket extrudes the positioning cap 140, and further the elastic gasket 130, the locking press ring and the fixing block 113 are extruded, since the other side of the fixing block 113 presses the bottom of the fixing groove 142, the locking nut is tightened, the shaft adjustment of the optical fiber connector can be completed, the shaft adjustment of the optical fiber connector can be realized by screwing the locking nut, the fixing speed is high, and if the optical fiber is moved during the tightening process, the locking nut can be unscrewed to re-adjust the shaft, compared with the prior art, the extinction ratio can be reduced by 1-2dB through the device.
In some embodiments, the rotation stop washer 150 includes:
an annular portion 151 for fitting over the metal tail stem 112;
a limiting part 152 arranged on the outer ring of the annular part 151, wherein one side of the fixing groove 142 is matched with the rotation stopping gasket (150);
the rotation-stopping washer 150 can prevent the positioning cap from further rotating through the limiting part 152 and the annular part 151 on the rotation-stopping washer 150.
In some embodiments, the method comprises:
a square flange 210 having a positioning key 211 inside;
the positioning core 220 is provided with a limiting groove, the limiting groove is arranged on the positioning core, and the positioning core 220 is fixedly connected with the square flange 210;
a ceramic bushing 230 disposed in the positioning core 220, the optical fiber stub 110 being disposed in the ceramic bushing 230;
the retaining sleeve 240 is sleeved on the positioning core 220;
the shell 250 is arranged on the blocking sleeve 240 and is provided with a blocking groove, the blocking groove is matched with the optical fiber connector, one end of the blocking groove penetrates through the shell, the other end of the blocking groove is arranged in the shell, and a limiting block is arranged on the periphery of the shell;
one end of the nut 260 is connected with the square flange through threads, and the other end of the nut is limited by a limiting block;
a spring 270 having one end connected to an outer side of the optical fiber connector;
a tail handle 280 is disposed in the housing 250 at one end, is threaded with the housing, and is connected to the spring 270 on the inside.
When the device is used, the optical fiber connectors on the two sides are respectively inserted into the ceramic sleeve 230 and are assembled through the shells 250 on the two sides, due to the existence of the square flange, the device can be connected with equipment, the damage to optical fibers in the optical fiber connectors caused by vibration or equipment movement when the device is directly placed on the equipment is avoided, and further the extinction ratio is increased, and compared with the method in the prior art, the method has the advantage that the extinction ratio can be reduced by 1-2 dB.
In some embodiments, the positioning core 220 has a mounting groove 221, one side of the mounting groove 221 penetrates through the positioning core 220, the other side is disposed in the positioning core 220, the inner end of the mounting groove 221 is engaged with the ceramic bushing 230, and the outer end of the mounting groove 221 is engaged with the blocking sleeve 240;
the ceramic bushing is installed in the positioning core 220, and due to the existence of the blocking sleeve 240, the ceramic bushing is prevented from being directly pulled out during pulling, so that the ceramic bushing is protected.
In some embodiments, the blocking sleeve 240 has a second mounting groove 241, one side of the second mounting groove 241 extends through the blocking sleeve 240, the other side is disposed in the blocking sleeve 240, the second mounting groove 241 is matched with the ceramic bushing 230, and the outer side of the second mounting groove 241 is in threaded connection with the mounting groove 221.
The ceramic insertion tube is limited by the blocking sleeve, so that the ceramic sleeve is prevented from being directly pulled out, and the ceramic sleeve is protected
It should be noted that, the opening at the tail of the normal ferrule is short, and when the glue is cured, the thermal expansion coefficients of the ferrule, the fiber cladding and the optical fiber at this position are different, which causes the stress on the optical fiber and the fiber cladding to be different, and a stress concentration area exists, so that the birefringent zone of the ferrule tail optical fiber is unevenly distributed, and the polarized light can have a certain degree of mode crossing at this position.
In some embodiments, the ferrule ceramic tail has an opening length of 3.6 mm; the 3.6mm can effectively reduce the stress area, and ensure the birefringence area of the optical fiber to be unchanged.
The application provides another embodiment, a polarization maintaining optical fiber is penetrated into an optical contact pin assembled by a metal tail handle and a ceramic ferrule, and epoxy glue is filled in the optical contact pin in advance;
curing the optical contact pin filled with the epoxy glue at 10-40 ℃ for 20-30 h;
placing the optical contact pin cured at room temperature into a temperature box, increasing the temperature to 70-90 ℃ at the speed of 1 ℃/5min, keeping curing for 30min, and then reducing the temperature to 10-40 ℃ at the speed of 1 ℃/5 min;
placing the optical contact pin cured at room temperature for 24h into a temperature box, raising the temperature to 70-90 ℃ at a low speed of 1 ℃/5min, keeping the curing for 30min, and then lowering the temperature to 10-40 ℃ at a low speed of 1 ℃/5 min;
one end of the cured optical contact pin is inserted into the locking compression ring, the elastic pad, the positioning cap, the rotation stopping gasket and the locking nut at one time;
aligning the installed optical contact pin with the shaft adjusting adapter and inserting the optical contact pin to the bottom, and completely inserting the locking compression ring into the fixed block;
inserting the rotation stopping gasket into the key groove of the positioning cap;
aligning the locking nut to the positioning cap, and screwing the locking nut to slightly extrude the rotation stopping gasket;
and rotating the polarization maintaining optical fiber, the ceramic ferrule and the metal tail handle, adjusting the direction of the optical fiber, and after the adjustment is finished, screwing the locking nut to ensure high polarization.
It should be noted that, when the glue is cured, the curing mode that immediately high-temperature curing is performed after glue dispensing, and cooling is performed to room temperature after a period of high-temperature heat preservation is performed is generally adopted for the optical fiber at present, but when the glue is cured at high temperature, the flow of the glue drives the stress change of the optical fiber to be uneven, and a stress concentration area also appears; the position of the polarization maintaining fiber in the ceramic ferrule is rotated, and after the output extinction ratio meets the requirement, the glue is cured through the glue curing locking mechanism and the fiber inserting needle, and the shaft adjusting mode has the same phenomenon that glue flows in the polarization maintaining fiber curing mode to generate uneven curing stress, so that the fiber rotates to increase the extinction ratio.
Through the processing of the embodiment, the stress change of the optical fiber can be reduced, the stress uniformity of the optical fiber is kept, the extinction ratio of the optical fiber connector is reduced, and the extinction ratio is prevented from being increased due to the occurrence of a stress area; meanwhile, when the optical fiber is adjusted, the optical fiber is cured, and the shaft of the optical fiber connector can be adjusted by screwing the locking nut after the shaft adjustment is completed, so that the extinction ratio is prevented from being increased due to the fact that the optical fiber connector and the optical fiber inserting needle need to be cured for a long time.
It should be noted that, most of the existing optical fiber connectors are directly placed on the device when being connected to the device, and the optical fiber connectors are easily damaged when being used.
In some embodiments, the method comprises:
aligning a key groove of the positioning core with a large key in the square flange, simultaneously installing one end of a small hole of the positioning core into the square flange from one side of the installation surface of the square flange, and fixing the positioning core and the square flange by using epoxy glue;
the ceramic sleeve is arranged in the positioning core, the blocking sleeve is screwed on the positioning core through threads, and after the blocking sleeve is screwed to the bottom, the ceramic sleeve is fixed in the positioning core, and the assembly of accessories on the square flange is completed;
mounting the shell on the optical contact pin of the adjusted shaft from the ceramic ferrule end, and sequentially sleeving the nut, the spring and the tail handle from the tail part of the optical contact pin;
screwing the tail handle onto the shell through threads, and after screwing to the bottom, enabling the spring to play a role in keeping the optical contact pin compressed in the shell, and completing the assembly of the polarization-maintaining optical fiber connector;
aligning the large key of the polarization maintaining optical fiber connector with the key groove at one end of the square flange, and screwing the large key and the key groove to be fixed, wherein the other end of the square flange is screwed with one polarization maintaining optical fiber connector in the same way; namely, the connection of the polarization maintaining optical fiber connector is completed.
Through above mode, can link together two fiber connector, pass through flange joint with fiber connector simultaneously and be in the same place, later through the flange with fiber connector connect on equipment, because vibrations or equipment remove and cause the damage for fiber connector in the optical fiber connector when avoiding fiber connector to set up, and then increase extinction ratio.
The above-mentioned embodiments are only to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. An optical fiber interconnect high polarization maintaining device, comprising:
-two optical fiber connectors (100), each optical fiber connector (100) comprising:
a fiber stub (110) having;
a ferrule (111) having a fiber channel;
the metal tail handle (112) is provided with an optical fiber channel, one end of the ceramic ferrule (111) is inserted into the metal tail handle (112), and the ceramic ferrule is provided with a fixed block (113) and a first slot (114);
a locking collar (120) having a second slot (121) that mates with the first slot (114), and the locking collar (120) being insertable into the first slot (114);
one end of the elastic pad (130) is abutted against the locking compression ring (120);
one end of the positioning cap (140) is connected with the fixing block (113), the surface of the positioning cap is provided with threads, the positioning cap is provided with a first limiting key (141), one side of the positioning cap (140) is provided with a fixing groove (142) matched with the fixing block (113) and the locking press ring (120), and the outer surface of the positioning cap is provided with threads;
the rotation stopping gasket (150) is arranged in the positioning cap (140), one end of the rotation stopping gasket is abutted against the elastic pad (130), and one end of the fixing groove (142) is matched with the positioning cap (140);
and the locking nut (160) is detachably connected with the positioning cap (140) through threads.
2. The fiber optic interconnect high polarization maintaining device of claim 1, wherein the spin stop spacer (150) comprises:
the annular part (151) is sleeved on the metal tail handle (112);
and the limiting part (152) is arranged on the outer ring of the annular part (151), and one side of the fixing groove (142) is matched with the rotation stopping gasket (150).
3. The fiber optic interconnect high polarization maintaining device of claim 1, comprising:
the interconnection device (200), different fiber connector is connected respectively at interconnection device (200) both ends, interconnection device (200) includes:
a square flange (210) having a positioning key (211) inside;
the positioning core (220) is provided with a limiting groove, the limiting groove is arranged on the positioning core, and the positioning core (220) is fixedly connected with the square flange (210);
a ceramic ferrule (230) disposed in the positioning core (220), the optical fiber stub (110) being disposed in the ceramic ferrule (230);
the blocking sleeve (240) is sleeved on the positioning core (220);
the shell (250) is arranged on the retaining sleeve (240) and is provided with a retaining groove (251), the retaining groove is matched with the optical fiber connector, one end of the retaining groove penetrates through the shell, the other end of the retaining groove is arranged in the shell, and the periphery of the shell is provided with a limiting block;
one end of the nut (260) is connected with the square flange through threads, and the other end of the nut is limited by the limiting block;
a spring (270) having one end connected to an outside of the optical fiber connector;
a tail handle (280) having one end disposed in the housing (250), being screw-coupled with the housing, and an inner side coupled with the spring (270).
4. The optical fiber interconnection high polarization maintaining device according to claim 3, wherein the positioning core (220) has a mounting groove (221), one side of the mounting groove (221) penetrates through the positioning core (220), the other side is disposed in the positioning core (220), the inner end of the mounting groove (221) is engaged with the ceramic sleeve (230), and the outer end of the mounting groove (221) is engaged with the retaining sleeve (240).
5. The optical fiber interconnection high polarization maintaining device according to claim 4, wherein the spacer (240) has a second mounting groove (241), one side of the second mounting groove (241) penetrates through the spacer (240) and the other side is disposed in the spacer (240), the second mounting groove (241) is engaged with the ceramic sleeve (230), and the outer side of the second mounting groove (241) is threadedly connected with the mounting groove (221).
6. The fiber optic interconnect high polarization maintaining device of claim 1, wherein the ferrule tails have an opening length of 3.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790933.XU CN211293350U (en) | 2019-10-24 | 2019-10-24 | Optical fiber interconnection high polarization maintaining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921790933.XU CN211293350U (en) | 2019-10-24 | 2019-10-24 | Optical fiber interconnection high polarization maintaining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211293350U true CN211293350U (en) | 2020-08-18 |
Family
ID=72020345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921790933.XU Withdrawn - After Issue CN211293350U (en) | 2019-10-24 | 2019-10-24 | Optical fiber interconnection high polarization maintaining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211293350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596825A (en) * | 2019-10-24 | 2019-12-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Optical fiber interconnection high polarization maintaining device and method |
-
2019
- 2019-10-24 CN CN201921790933.XU patent/CN211293350U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596825A (en) * | 2019-10-24 | 2019-12-20 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Optical fiber interconnection high polarization maintaining device and method |
| CN110596825B (en) * | 2019-10-24 | 2024-05-28 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Optical fiber interconnection high polarization maintaining device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110596825B (en) | Optical fiber interconnection high polarization maintaining device and method | |
| US4118105A (en) | Optical coupling | |
| EP0266780B1 (en) | Optical connector using a polarization-maintaining optical fiber | |
| CN210401744U (en) | Polarization maintaining optical fiber connector and polarization maintaining optical fiber clamp | |
| CN211293350U (en) | Optical fiber interconnection high polarization maintaining device | |
| CN109738994B (en) | Optical fiber rotary connector | |
| JPS61285409A (en) | Optical fiber connector connecting method and its connector | |
| CN204188843U (en) | A kind of SC type pre-terminated connector | |
| CN201622369U (en) | High-coaxiality water cooling optical fiber plug for laser processing | |
| CA1264972A (en) | Connector for optical fiber | |
| CN205301631U (en) | SC -type fiber connector | |
| CN217689518U (en) | Polarization maintaining optical fiber connector | |
| KR101075129B1 (en) | Connector For Optical Cable | |
| CN110007408B (en) | Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre | |
| CN222232721U (en) | Optical communication coupler | |
| CN210465763U (en) | Optical fiber connector | |
| CN220795601U (en) | Glasses hinge structure | |
| CN115840271B (en) | Connector convenient for field assembly | |
| JPS5665108A (en) | Connector for optical fiber | |
| CN217385902U (en) | Fiber connector easy to assemble | |
| CN222599897U (en) | Optical cable structure convenient to connect | |
| CN209803392U (en) | Optical fiber handle mechanism | |
| CN215575780U (en) | Novel optical fiber collimator | |
| CN219162427U (en) | A fiber optic connector | |
| CN222394199U (en) | An optical cable down-leading device and indoor substation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200818 Effective date of abandoning: 20240528 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200818 Effective date of abandoning: 20240528 |