CN109375367B - MXN mechanical optical switch - Google Patents
MXN mechanical optical switch Download PDFInfo
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- CN109375367B CN109375367B CN201811524971.0A CN201811524971A CN109375367B CN 109375367 B CN109375367 B CN 109375367B CN 201811524971 A CN201811524971 A CN 201811524971A CN 109375367 B CN109375367 B CN 109375367B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 65
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention relates to an MxN mechanical optical switch, wherein, the A side of a bottom box is fixedly provided with 1M-core array collimator, M identical collimating output light paths are parallel to each other, the B side adjacent to the M-core array collimator is fixedly provided with 1N-core array collimator, N is more than or equal to M, and the input light paths of N identical collimators are parallel to each other. N motors are fixedly arranged on the side face of the B ' of the bottom box, N guide rails are arranged between the side faces of the B and the B ', each guide rail is perpendicular to the side faces of the B and the B ', each guide rail is provided with a sliding block, and a reflecting mirror is fixedly arranged on each sliding block and opposite to the light path. The lead screw that each motor is connected is parallel with the guide rail, and each lead screw penetrates corresponding slider silk hole, and when a certain motor starts to rotate the lead screw, the slider moves along the guide rail straight line. The electromagnetic switch of each motor is connected with the control center. The reflector is positioned at different positions, so that M paths of input light can be output in N paths; the invention has the advantages of reduced volume, low insertion loss, high isolation, low cost and good repeatability. The optical switch has high switching speed.
Description
Technical Field
The invention belongs to the technical field of optical communication, and particularly relates to an MxN mechanical optical switch for optical signal exchange.
Background
The optical switch is an optical passive device for realizing on-off of optical signals and changing of optical paths, is one of basic devices for realizing signal exchange of an optical communication network, and is one of core technologies for realizing all-optical networks. With the ultra-high development of optical communication transmission network technology, the performance of the original optical switch is continuously improved, and the optical switches with various functional types are continuously emerging. Two main classes of optical switches are distinguished according to the current production technology, one class being m×n optical switches for microelectromechanical systems (MEMS) technology and the other class being m×n mechanical optical switches.
The mechanical optical switch has the advantages of low insertion loss, high isolation, irrelevant wavelength and polarization, strong vibration resistance test performance, relatively mature production and manufacturing technology, thus occupying extremely important position in an optical communication network, being widely applied to fault protection switching of the optical network, dynamic optical path management and monitoring, testing of optical devices, flexible increase and decrease and transfer of business and the like.
In the existing m×n mechanical optical switch, M stages of cascade connection are performed by M1×n mechanical optical switches to realize the switching function of an m×n optical path. The optical switch after the cascade connection of the M-stage 1 XN mechanical optical switch has the problems of large whole volume, slow response time, high cost, difficulty in realizing optical or photoelectric integration with other devices and difficulty in mass production, and the problems all make the conventional M XN mechanical optical switch difficult to popularize and apply.
Disclosure of Invention
The invention aims to provide an MxN mechanical optical switch with smaller volume and high switching speed, which comprises a row of M-core array collimators and a row of N-core array collimators, wherein the light path intersection angles of the two rows of collimators are the same. And a sliding block driven by a motor moves on a guide rail corresponding to the N-core array collimator, and when a reflecting mirror on the sliding block is positioned on the intersection point of the light paths of the two rows of collimators, the sliding block is connected with the two light paths.
The invention designs an MXN mechanical optical switch which comprises a multi-core array collimator and a control center, wherein the four sides of a rectangular bottom box are A, B, A 'and B', A and B are adjacent and mutually perpendicular, A 'is parallel to A, and B' is parallel to B. The side A is fixedly provided with 1M-core array collimator, and the side B adjacent to the side A is fixedly provided with 1N-core array collimator, wherein N is more than or equal to M. The M-core array collimator is M identical collimators M which are arranged on the side surface of the bottom box A and are positioned on the same plane 1 ,M 2 …M i …M M The output light paths of the two light paths are parallel to each other, and the intersection angle between the light paths and the side A of the bottom box is alpha=70-110 degrees. Similarly, the N-core array collimator is N identical collimators N arranged on the side surface of the bottom box B and positioned on the same plane 1 ,N 2 …N j …N N The input light paths of the two light paths are parallel to each other, and the intersection angle between the two light paths and the side B of the bottom box is alpha. M core arrayThe light path directions of the collimator and the N-core array collimator are in the same plane.
N motors Q 1 ,Q 2 …Q j …Q N The guide rails are fixedly arranged on the side face B ' of the bottom box, N guide rails are arranged between the side faces B and B ', each guide rail is perpendicular to the side faces B and B ', a slide block matched with each guide rail is arranged on each guide rail, each slide block is fixedly provided with a reflecting mirror, the mirror surface of the reflecting mirror is perpendicular to the plane where the light path directions of the M-core array collimator and the N-core array collimator are positioned, and N reflecting mirrors P 1 ,P 2 …P j …P N The mirror surfaces of the collimator are respectively opposite to N light paths of the N-core array collimator. The output shaft of each motor is connected with a screw rod, the screw rods are parallel to the guide rail, each screw rod penetrates into a screw hole of a corresponding sliding block, when a certain motor is started, the screw rod connected with the motor is driven to rotate, and the sliding block on the screw rod linearly moves along the guide rail. The electromagnetic switch of each motor is connected with the control center.
Preferred embodiments are those wherein M and N are integers from 4 to 64.
The best mode is that M=N=an integer of 4-32.
The preferable scheme is that the output light path of the M-core array collimator is perpendicular to the side A of the bottom box; similarly, the input optical path of the N-core array collimator is perpendicular to the B side of the bottom box. The light path directions of the M-core array collimator and the N-core array collimator are mutually perpendicular, and the intersection angle of the reflecting mirror surface of the reflecting mirror on each sliding block and the light path is 45 degrees.
Light is sent into the switch through the input end of the M-core array collimator, and each motor operates to move each slide block, when the reflecting mirror P j At M i On the output light path of (a), the collimator M is made incident i Is refracted to collimator N j . The positions of the reflectors are changed, the connection of the light paths is different, and the light input into the M-core array collimator is determined to be output through the N-core array collimator. When the reflecting mirror P j In turn at M 1 ,M 2 …M M Input M when on the output optical path of (2) 1 ,M 2 …M MM Will be sequentially from the same N j And a collimator output. Also when the mirrors P, P 2 …P N In turn at M i On the output optical path of (2), the same M is input i The light of the collimator will be sequentially transmitted from N 1 ,N 2 …N N And a collimator output. I.e. incident on a collimator m i Can select N 1 ,N 2 …N N Is provided.
The photoelectric switch is arranged at the front side of each motor, the photoelectric switch is a light emitting end and a light receiving end which are opposite, and a signal wire of the photoelectric switch is connected to the control center. The anti-dazzling screen is installed on one side of the sliding block, when the sliding block on the guide rail moves to be close to the motor connected with the sliding block, the anti-dazzling screen is inserted between the light emitting end and the receiving end of the photoelectric switch of the motor, light of the light emitting end is blocked, the receiving end cannot receive the light, the photoelectric switch sends a signal to the control center, the control center timely cuts off the electromagnetic switch of the motor, and the motor stops running.
The reflecting mirror is a plane reflecting mirror, a right-angle prism or a pyramid prism. The best scheme is a right-angle prism, can totally reflect light, is easy to install, and has good stability and strength to mechanical stress.
Compared with the prior art, the M multiplied by N mechanical optical switch has the advantages that: the M paths of input light can be enabled to select N paths of output light paths; compared with cascade mechanical optical switches with the same input/output paths, the cascade mechanical optical switch has the advantages of nearly half volume reduction, low insertion loss, high isolation, low cost and good repeatability. The sliding blocks on the guide rail can respond fast, and the optical switch switching speed is high.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of an embodiment 8 core array collimator of an MXN mechanical optical switch;
FIG. 2 is a schematic diagram of an optical path of an embodiment 1 of the MXN mechanical optical switch;
FIG. 3 is a schematic diagram of the structure of the motor, slider and guide rail of embodiment 1 of the present MXN mechanical optical switch;
fig. 4 is a schematic diagram of an optical path of embodiment 2 of the mxn mechanical optical switch.
Reference numerals in the figures
1. Bottom box 2, screw rod 3, guide rail 4, slide block 5, reflector 6, photoelectric switch,
7. a light shielding sheet;
M1-M8 are 8 collimators of the 8-core array collimator, N1-N8 are 8 collimators of another 8-core array collimator, and Q1-Q8 are 8 parallel motors.
Detailed Description
The present mxn optical switch is further described with reference to the drawings.
M N mechanical optical switch example 1
The m=n=8 of the m×n mechanical optical switch embodiment 1 is an 8×8 mechanical optical switch, and includes 2 8-core array collimators and a control center, the overall structure of the 2 8-core array collimators is as shown in fig. 1, four sides of a rectangular parallelepiped bottom case 1 are A, B, A 'and B', a and B are adjacent and perpendicular to each other, and a 'is parallel to a and B' is parallel to B. The side A is fixedly provided with 1 8-core array collimator, the side B adjacent to the side A is fixedly provided with another 1 8-core array collimator, the 8-core array collimators positioned on the side A of the bottom box are 8 identical collimators M positioned on the same plane 1 ,M 2 …M 8 Their output light paths are parallel to each other and perpendicular to the a-side of the bottom case 1. Similarly, another 8-core array collimator on the B-side of the chassis 1 is 8 identical collimators N in the same plane 1 ,N 2 …N 8 Their input optical paths are parallel to each other and perpendicular to the B-side. The light path directions of the 2 8-core array collimators are mutually perpendicular and are all in the same plane.
8 motors Q 1 ,Q 2 …Q j …Q N The guide rails 3 are arranged between the two side surfaces B and B ', each guide rail 3 is perpendicular to the two side surfaces B and B', each guide rail 3 is provided with a slide block 4 matched with the guide rail 3, and each slide block 4 is fixedly provided with a right-angle prism which is a reflecting mirror 5,N reflecting mirror 5P 1 ,P 2 …P 8 The inclined plane reflecting mirror surfaces of the collimator are respectively 45 degrees with the light path directions of the 2 8-core array collimators. The output shaft of each motor is respectively connected with a screw rod 2, the screw rods 2 are parallel to the guide rail 3, each screw rod 2 penetrates into the screw hole of the corresponding sliding block 4, and when a certain motor is started, the motor is driven to driveThe screw rod 2 connected with the screw rod rotates, and the sliding block 4 on the screw rod 2 moves linearly along the guide rail 3. The electromagnetic switch of each motor is connected with the control center.
The light path of this example is shown in FIG. 2, light is fed into the switch through the input end of the 8-core array collimator on the side A, and the operation of the motors causes the slides to move as the mirror P j At M i When the light is output from the collimator, the light is incident on the M i Collimator N for refracting light of collimator to side B j . The positions of the reflectors are changed, the optical paths are connected differently, and the light input into the 8-core array collimator on the side A is determined to be output through the 8N-core array collimator on the side B. When the reflecting mirror P j In turn at M 1 ,M 2 …M 8 Input M when on the output optical path of (2) 1 ,M 2 …M 8 Will be sequentially from the same N j And a collimator output. Also when the mirrors P, P 2 …P 8 In turn at M i On the output optical path of (2), the same M is input i The light of the collimator will be sequentially transmitted from N 1 ,N 2 …N 8 And a collimator output. I.e. incident on a collimator M i Can select N 1 ,N 2 …N 8 Is provided.
The structures of the motor, the sliding block 4 and the guide rail 3 in this example are shown in fig. 3, a photoelectric switch 6 is installed on the front side of each motor, the photoelectric switch 6 is a light emitting end and a light receiving end which are opposite, and a signal wire of the photoelectric switch 6 is connected to a control center. And a light shielding sheet 7 is arranged on one side of the sliding block 4, when the sliding block 4 on the guide rail 3 moves to be close to a motor connected with the sliding block, the light shielding sheet 7 is inserted between a light emitting end and a receiving end of a photoelectric switch 6 of the motor, light of the light emitting end is shielded, the receiving end cannot receive the light, the photoelectric switch 6 sends a signal to a control center, the control center timely cuts off an electromagnetic switch of the motor, and the motor stops running.
M N mechanical optical switch example 2
The m=4, n=6 of the m×n mechanical optical switch of the embodiment 2 is a 4×6 mechanical optical switch, including a 4-core array collimator, a 6-core array collimator and a control center, the structure of the bottom case 1 is the same as that of the embodiment 1, and the 4-core arrayThe column collimators are 4 identical collimators M which are arranged on the side of the bottom box A and are positioned on the same plane 1 ,M 2 ，M 3 ，M M Their output light paths are parallel to each other, and the intersection angle with the a-side of the bottom box is α=80°. Similarly, the 6-core array collimator is 6 identical collimators N arranged on the side surface of the bottom box B and positioned on the same plane 1 ,N 2 …N 6 The input light paths of the two light paths are parallel to each other, and the intersection angle between the light paths and the side B of the bottom box is 80 degrees. The light path directions of the 4-core array collimator and the 6-core array collimator are all in the same plane.
The optical path of this example is shown in FIG. 4, where the light passes through one of the collimators M in the 4-core array collimator of the A-side i The input end of the motor is fed into the switch, and the operation of the motors makes the sliding blocks move, when the reflecting mirror P j At M i When the light is output from the collimator, the light is incident on the M i Collimator N for refracting light of collimator to side B j 。
The structure of the motor, the guide rail 3, the screw rod 2, the slider 4 and the mirror 5 of this example is the same as that of embodiment 1.
The above embodiments are merely specific examples for further detailed description of the object, technical solution and advantageous effects of the present invention, and the present invention is not limited thereto. Any modification, equivalent replacement, improvement, etc. made within the scope of the present disclosure are included in the scope of the present invention.
Claims (8)
1. An MXN mechanical optical switch comprises a multi-core array collimator and a control center, wherein the four sides of a rectangular bottom box are A, B, A 'and B', A and B are adjacent and perpendicular to each other, A 'is parallel to A, and B' is parallel to B; the method is characterized in that:
the side A of the bottom box (1) is fixedly provided with 1M-core array collimator, the side B adjacent to the side A is fixedly provided with 1N-core array collimator, and N is more than or equal to M; the M-core array collimator is M identical collimators M which are arranged on the side surface of the bottom box (1) A and are positioned on the same plane 1 ,M 2 …M i …M M The output light paths of the two light paths are parallel to each other and are parallel to the A side of the bottom box (1)Intersection angle α=70° to 110 °; similarly, the N-core array collimator is N identical collimators N which are arranged on the B side of the bottom box (1) and are positioned on the same plane 1 ,N 2 …N j …N N The input light paths of the two light paths are parallel to each other, and the intersection angle between the two light paths and the side B of the bottom box (1) is alpha; the light path directions of the M-core array collimator and the N-core array collimator are all in the same plane;
n motors Q 1 ,Q 2 …Q j …Q N The device is fixedly arranged on the side face B ' of the bottom box (1), N guide rails (3) are arranged between the side faces B and B ', the guide rails (3) are perpendicular to the side faces B and B ', a slide block (4) matched with the guide rails is arranged on each guide rail (3), a reflecting mirror (5) is fixedly arranged on each slide block (4), the mirror surface of the reflecting mirror (5) is perpendicular to the plane in the light path direction of the M-core array collimator and the N-core array collimator, and the N reflecting mirrors (5) P 1 ,P 2 …P j …P N The mirror surfaces of the collimator are respectively opposite to N light paths of the N-core array collimator; the output shafts of the motors are respectively connected with a screw rod (2), the screw rods (2) are parallel to the guide rail (3), each screw rod (2) penetrates into a screw hole of a corresponding sliding block (4), when a certain motor is started, the screw rod (2) connected with the motor is driven to rotate, and the sliding block (4) on the screw rod (2) linearly moves along the guide rail (3) of the motor; the electromagnetic switch of each motor is connected with the control center.
2. The mxn mechanical optical switch of claim 1, characterized in that:
and M and N are integers of 4-64.
3. The mxn mechanical optical switch of claim 1, characterized in that:
m=n=4 to 32.
4. The mxn mechanical optical switch of claim 1, characterized in that:
the output light path of the M-core array collimator is perpendicular to the side A of the bottom box (1); similarly, the input light path of the N-core array collimator is vertical to the B side surface of the bottom box (1); the light path directions of the M-core array collimator and the N-core array collimator are mutually perpendicular; the intersection angle of the reflecting mirror surface of the reflecting mirror (5) on each sliding block (4) and the light path is 45 degrees.
5. An mxn mechanical optical switch according to any of the claims from 1 to 4 characterized in that:
a photoelectric switch (6) is arranged at the front side of each motor, the photoelectric switch (6) is a light emitting end and a light receiving end which are opposite, and a signal wire of the photoelectric switch (6) is connected to a control center; and a light shielding sheet (7) is arranged on one side of the sliding block (4), when the sliding block (4) on the guide rail (3) moves to be close to a motor connected with the sliding block, the light shielding sheet (7) is inserted between a light emitting end and a light receiving end of a photoelectric switch (6) of the motor, the photoelectric switch (6) sends a signal to a control center, the control center cuts off an electromagnetic switch of the motor, and the motor stops running.
6. An mxn mechanical optical switch according to any of the claims from 1 to 4 characterized in that:
the reflectors (5) are respectively arranged at the tops of the sliding blocks (4).
7. An mxn mechanical optical switch according to any of the claims from 1 to 4 characterized in that:
the reflecting mirror (5) is a plane reflecting mirror, a right-angle prism or a pyramid prism.
8. An mxn mechanical optical switch according to any of the claims from 1 to 4 characterized in that:
the reflecting mirror (5) is a right-angle prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524971.0A CN109375367B (en) | 2018-12-13 | 2018-12-13 | MXN mechanical optical switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811524971.0A CN109375367B (en) | 2018-12-13 | 2018-12-13 | MXN mechanical optical switch |
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| CN109375367A CN109375367A (en) | 2019-02-22 |
| CN109375367B true CN109375367B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811524971.0A Active CN109375367B (en) | 2018-12-13 | 2018-12-13 | MXN mechanical optical switch |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396976B1 (en) * | 1999-04-15 | 2002-05-28 | Solus Micro Technologies, Inc. | 2D optical switch |
| CN1387058A (en) * | 2002-05-16 | 2002-12-25 | 上海交通大学 | NxM-array light switch |
| US6618518B1 (en) * | 2000-11-22 | 2003-09-09 | Jds Uniphase Corporation | Microelectromechanical optical cross-connect switches including row and column addressing and methods of operating same |
| CN101014892A (en) * | 2004-07-15 | 2007-08-08 | 保乐提斯有限公司 | An optical switch |
| CN102967900A (en) * | 2011-09-01 | 2013-03-13 | 张培 | 26-channel adapter type optical switch |
| CN203054266U (en) * | 2012-12-27 | 2013-07-10 | 中国电子科技集团公司第三十四研究所 | N+1-channel optical switch module for optical path protection |
| CN203117461U (en) * | 2013-01-28 | 2013-08-07 | 中国电子科技集团公司第三十四研究所 | 2X2 mechanical optical switch |
| CN104849812A (en) * | 2014-02-18 | 2015-08-19 | 北京同洲维普科技有限公司 | Optical multichannel router |
| CN105511022A (en) * | 2014-09-25 | 2016-04-20 | 华为技术有限公司 | Optical switch |
| CN106094120A (en) * | 2016-08-04 | 2016-11-09 | 苏州优谱德精密仪器科技有限公司 | A kind of structure for laser coupled being entered multifiber |
| CN209070225U (en) * | 2018-12-13 | 2019-07-05 | 中国电子科技集团公司第三十四研究所 | A kind of M × N mechanical optical switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965710B2 (en) * | 2001-09-18 | 2005-11-15 | Hitachi Metals, Ltd. | Optical switch and its production method, and optical path-switching apparatus comprising optical switch |
-
2018
- 2018-12-13 CN CN201811524971.0A patent/CN109375367B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6396976B1 (en) * | 1999-04-15 | 2002-05-28 | Solus Micro Technologies, Inc. | 2D optical switch |
| US6618518B1 (en) * | 2000-11-22 | 2003-09-09 | Jds Uniphase Corporation | Microelectromechanical optical cross-connect switches including row and column addressing and methods of operating same |
| CN1387058A (en) * | 2002-05-16 | 2002-12-25 | 上海交通大学 | NxM-array light switch |
| CN101014892A (en) * | 2004-07-15 | 2007-08-08 | 保乐提斯有限公司 | An optical switch |
| CN102967900A (en) * | 2011-09-01 | 2013-03-13 | 张培 | 26-channel adapter type optical switch |
| CN203054266U (en) * | 2012-12-27 | 2013-07-10 | 中国电子科技集团公司第三十四研究所 | N+1-channel optical switch module for optical path protection |
| CN203117461U (en) * | 2013-01-28 | 2013-08-07 | 中国电子科技集团公司第三十四研究所 | 2X2 mechanical optical switch |
| CN104849812A (en) * | 2014-02-18 | 2015-08-19 | 北京同洲维普科技有限公司 | Optical multichannel router |
| CN105511022A (en) * | 2014-09-25 | 2016-04-20 | 华为技术有限公司 | Optical switch |
| CN106094120A (en) * | 2016-08-04 | 2016-11-09 | 苏州优谱德精密仪器科技有限公司 | A kind of structure for laser coupled being entered multifiber |
| CN209070225U (en) * | 2018-12-13 | 2019-07-05 | 中国电子科技集团公司第三十四研究所 | A kind of M × N mechanical optical switch |
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