CN105739022A - Compact multichannel optical wavelength division multiplexer of high production efficiency - Google Patents
Compact multichannel optical wavelength division multiplexer of high production efficiency Download PDFInfo
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- CN105739022A CN105739022A CN201610155118.0A CN201610155118A CN105739022A CN 105739022 A CN105739022 A CN 105739022A CN 201610155118 A CN201610155118 A CN 201610155118A CN 105739022 A CN105739022 A CN 105739022A
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- filter plate
- optical
- fiber collimator
- wavelength division
- channel
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/2938—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29389—Bandpass filtering, e.g. 1x1 device rejecting or passing certain wavelengths
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a compact multichannel optical wavelength division multiplexer of high production efficiency. The compact multichannel optical wavelength division multiplexer comprises a common wavelength channel optical fiber collimator, N single wavelength channel optical fiber collimators, and filter plates which are arranged to be corresponding to the N single wavelength channel optical fiber collimators in a one-to-one way, wherein each filter plate is corresponding to one waveband of transmission optical signals. The compact multichannel optical wavelength division multiplexer also comprises an optical parallel plate. The filter plates are respectively adhered on the front and rear parallel planes of the optical parallel plate, and the filter plates are positioned according to a light incident point. According to the optical wavelength division multiplexer, the filter plates are directly adhered on the optical parallel plate, and the filter plates only require to be positioned and adhered according to the light incident point in the production and manufacturing process so that the positioning and debugging process between the filter plates can be greatly reduced, production efficiency of the optical wavelength division multiplexer can be enhanced, and the optical wavelength division multiplexer has a compact structure.
Description
Technical field
The present invention relates to a kind of light wavelength division multiplexing, particularly to the Compact multi-channel light wavelength division multiplexing of a kind of high efficiency, belong to technical field of optical fiber communication.
Background technology
Disclosed on May 4th, 2011 Chinese patent database, patent name is the patent of invention of " a kind of low-loss multichannel wavelength division multiplexer ", and its patent No. is: 2011201957031.The patent application disclosing a kind of light wavelength division multiplexing, including public passage collimator, first passage diaphragm, first passage collimator, second channel diaphragm and second channel collimator, each passage diaphragm and each channel collimator are each attached on substrate.Multichannel light signal is launched by public passage collimator, first passage optical signal enters first passage collimator through first passage diaphragm, rest channels optical signal is reflexed to second channel diaphragm by first passage diaphragm, second channel optical signal enters second channel collimator through second channel diaphragm, rest channels optical signal reflexes to next passage by second channel diaphragm, the rest may be inferred, completes multichannel light wavelength-division multiplex function.It is disadvantageous in that: in manufacturing process, the distance between distance and individual passage diaphragm and each channel collimator between each passage diaphragm all needs repeatedly to debug, it is pasted on one by one on substrate behind location, causes that light wave multiplexer is loosely organized, production efficiency is low.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that the Compact multi-channel light wavelength division multiplexing of a kind of high efficiency, solve the technical problem that in prior art, light wavelength division multiplexing production efficiency is low.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: the Compact multi-channel light wavelength division multiplexing of a kind of high efficiency, including the filter plate that a common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator and N number of Single wavelength channel fiber collimator one_to_one corresponding are arranged, a wave band in each filter plate correspondence optical signal transmissive；Also including optical parallel plate, described filter plate is affixed in former and later two parallel planes of optical parallel plate respectively, and filter plate is according to light point location；
Common wavelength channel fiber collimator launches multichannel light signal, and multichannel light signal reflects through optical parallel plate, is transmitted through first filter plate, and first filter plate makes the optical signal of corresponding wavelength pass through, and enters first Single wavelength channel fiber collimator；Rest channels optical signal reflects through first filter plate, again reflect through optical parallel plate, it is transmitted through second filter plate, second filter plate makes the optical signal of corresponding wavelength pass through, and enter second Single wavelength channel fiber collimator, remaining channel optical signal reflects then through the second filter plate, and the rest may be inferred, completes multichannel light wavelength-division multiplex function.
Described N is not less than 4.
Also including substrate, described common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator, optical parallel plate are individually fixed on described substrate.
It is any that described substrate adopts in quartz glass, Pyrex, pottery, kovar alloy or invar alloy.
Compared with prior art, the present invention reachesProvide the benefit that: filter plate directly sticks on optical parallel plate, in manufacturing process, filter plate has only to paste according to light point location, greatly reduce the positioning test operation between filter plate, improve the production efficiency of light wavelength division multiplexing and light wavelength division multiplexing compact conformation provided by the invention.
Accompanying drawing explanation
Fig. 1 is N of the present invention is structural representation when 4.
Fig. 2 is N of the present invention is structural representation when 5.
In figure: 1, common wavelength channel fiber collimator；2, Single wavelength channel fiber collimator；3, filter plate；4, optical parallel plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.Following example are only for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
As it is shown in figure 1, be the structural representation adopting 4 Single wavelength channel fiber collimators 2, specifically include a common wavelength channel fiber collimator 2, four filter plates 3 of 1, four Single wavelength channel fiber collimators and an optical parallel plate 4.A wave band in the corresponding optical signal transmissive of each filter plate 3, and a corresponding Single wavelength channel fiber collimator 2 of filter plate 3.Filter plate 3 is pasted in former and later two planes being parallel to each other of optical parallel plate 4 according to light point, and the depth of parallelism of optical parallel plate 4 should not higher than 100 nanometers.Present invention additionally comprises substrate, common wavelength channel fiber collimator 1, Single wavelength channel fiber collimator 2, optical parallel plate 4 are individually fixed on substrate, and it is any that substrate can adopt in quartz glass, Pyrex, pottery, kovar alloy or invar alloy.Optical parallel plate 4 adopts logical light optical material, such as optical flat etc..
During work, common wavelength channel fiber collimator 1 launches multichannel light signal, and multichannel light signal reflects through optical parallel plate 4, is transmitted through first filter plate 3, first filter plate 3 makes the optical signal of corresponding wavelength pass through, and enters first Single wavelength channel fiber collimator 2；Rest channels optical signal reflects through first filter plate 3, again reflect through optical parallel plate 4, it is transmitted through second filter plate 3, second filter plate 3 makes the optical signal of corresponding wavelength pass through, and enter second Single wavelength channel fiber collimator 2, remaining channel optical signal reflects then through the second filter plate 3, and the rest may be inferred, completes multichannel light wavelength-division multiplex function.
As in figure 2 it is shown, be the present invention structural representation that adopts 5 Single wavelength channel fiber collimators 2, its operation principle is identical with the principle of 4 Single wavelength channel fiber collimators 2.When the number of Single wavelength channel fiber collimator 2, when namely N is more than 4, the present invention can greatly reduce the positioning test operation of filter plate 3, improves the production efficiency of light wavelength division multiplexing and light wavelength division multiplexing compact conformation provided by the invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (4)
1. the Compact multi-channel light wavelength division multiplexing of a high efficiency, including the filter plate that a common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator and N number of Single wavelength channel fiber collimator one_to_one corresponding are arranged, a wave band in each filter plate correspondence optical signal transmissive；It is characterized in that: also include optical parallel plate, described filter plate is affixed in former and later two parallel planes of optical parallel plate respectively, and filter plate is according to light point location；
Common wavelength channel fiber collimator launches multichannel light signal, and multichannel light signal reflects through optical parallel plate, is transmitted through first filter plate, and first filter plate makes the optical signal of corresponding wavelength pass through, and enters first Single wavelength channel fiber collimator；Rest channels optical signal reflects through first filter plate, again reflect through optical parallel plate, it is transmitted through second filter plate, second filter plate makes the optical signal of corresponding wavelength pass through, and enter second Single wavelength channel fiber collimator, remaining channel optical signal reflects then through the second filter plate, and the rest may be inferred, completes multichannel light wavelength-division multiplex function.
2. the Compact multi-channel light wavelength division multiplexing of high efficiency according to claim 1, it is characterised in that described N is not less than 4.
3. the Compact multi-channel light wavelength division multiplexing of high efficiency according to claim 1, it is characterized in that, also including substrate, described common wavelength channel fiber collimator, N number of Single wavelength channel fiber collimator, optical parallel plate are individually fixed on described substrate.
4. the Compact multi-channel light wavelength division multiplexing of high efficiency according to claim 3, it is characterised in that it is any that described substrate adopts in quartz glass, Pyrex, pottery, kovar alloy or invar alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155118.0A CN105739022A (en) | 2016-03-18 | 2016-03-18 | Compact multichannel optical wavelength division multiplexer of high production efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610155118.0A CN105739022A (en) | 2016-03-18 | 2016-03-18 | Compact multichannel optical wavelength division multiplexer of high production efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105739022A true CN105739022A (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610155118.0A Pending CN105739022A (en) | 2016-03-18 | 2016-03-18 | Compact multichannel optical wavelength division multiplexer of high production efficiency |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768786A (en) * | 2017-10-09 | 2018-03-06 | 广东工业大学 | A kind of demultiplexer |
| WO2022213810A1 (en) * | 2021-04-09 | 2022-10-13 | 华为技术有限公司 | Wavelength-division multiplexing device and communication device |
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| EP0153722A2 (en) * | 1984-03-02 | 1985-09-04 | Oki Electric Industry Company, Limited | Hybrid optical wavelength division multiplexer-demultiplexer |
| CN1187884A (en) * | 1995-06-15 | 1998-07-15 | 美国光学有限公司 | Optical multiplexing device and method |
| CN1447140A (en) * | 2002-03-26 | 2003-10-08 | 波若威科技股份有限公司 | Z-shaped multiplexer for wavelength divisions |
| CN1908712A (en) * | 2005-08-03 | 2007-02-07 | 亚洲光学股份有限公司 | Small-sized high density multiplexer for wavelength split |
| CN103257403A (en) * | 2013-05-20 | 2013-08-21 | 武汉锐奥特科技有限公司 | Wavelength-division multiplexing optical device and wavelength-decomposition multiplexing optical device |
| CN103336332A (en) * | 2013-05-21 | 2013-10-02 | 杭州天野通信设备有限公司 | Three-wavelength-division multiplexer/demultiplexer and production method thereof |
| CN203301489U (en) * | 2013-07-05 | 2013-11-20 | 青岛海信宽带多媒体技术有限公司 | Light emitting device possessing multipath wavelength channels, light receiving element possessing multipath wavelength channels and optical module |
| CN103744145A (en) * | 2013-12-31 | 2014-04-23 | 武汉电信器件有限公司 | Single-optical-port wavelength division multiplexing/demultiplexing photoelectric transceiver device |
| CN103809255A (en) * | 2012-11-12 | 2014-05-21 | 住友电气工业株式会社 | Receiver optical module installing optical demultiplexer and method to produce optical demultiplexer |
| CN104079356A (en) * | 2013-03-28 | 2014-10-01 | 福州高意通讯有限公司 | Wavelength division multiplexing and demultiplexing optical structure |
| CN104076450A (en) * | 2013-03-28 | 2014-10-01 | 福州高意通讯有限公司 | BOSA (Bi-Di Optical Subassembly) optical structure used for high-speed receiving and transmitting system |
| CN203870287U (en) * | 2014-05-05 | 2014-10-08 | 广州隆润光学仪器有限公司 | Multichannel compact WDM optical central processor |
| CN205507148U (en) * | 2016-03-18 | 2016-08-24 | 苏州伽蓝致远电子科技股份有限公司 | High production efficiency's compact multichannel optical wavelength division multiplexer |
-
2016
- 2016-03-18 CN CN201610155118.0A patent/CN105739022A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0153722A2 (en) * | 1984-03-02 | 1985-09-04 | Oki Electric Industry Company, Limited | Hybrid optical wavelength division multiplexer-demultiplexer |
| CN1187884A (en) * | 1995-06-15 | 1998-07-15 | 美国光学有限公司 | Optical multiplexing device and method |
| CN1447140A (en) * | 2002-03-26 | 2003-10-08 | 波若威科技股份有限公司 | Z-shaped multiplexer for wavelength divisions |
| CN1908712A (en) * | 2005-08-03 | 2007-02-07 | 亚洲光学股份有限公司 | Small-sized high density multiplexer for wavelength split |
| CN103809255A (en) * | 2012-11-12 | 2014-05-21 | 住友电气工业株式会社 | Receiver optical module installing optical demultiplexer and method to produce optical demultiplexer |
| CN104079356A (en) * | 2013-03-28 | 2014-10-01 | 福州高意通讯有限公司 | Wavelength division multiplexing and demultiplexing optical structure |
| CN104076450A (en) * | 2013-03-28 | 2014-10-01 | 福州高意通讯有限公司 | BOSA (Bi-Di Optical Subassembly) optical structure used for high-speed receiving and transmitting system |
| CN103257403A (en) * | 2013-05-20 | 2013-08-21 | 武汉锐奥特科技有限公司 | Wavelength-division multiplexing optical device and wavelength-decomposition multiplexing optical device |
| CN103336332A (en) * | 2013-05-21 | 2013-10-02 | 杭州天野通信设备有限公司 | Three-wavelength-division multiplexer/demultiplexer and production method thereof |
| CN203301489U (en) * | 2013-07-05 | 2013-11-20 | 青岛海信宽带多媒体技术有限公司 | Light emitting device possessing multipath wavelength channels, light receiving element possessing multipath wavelength channels and optical module |
| CN103744145A (en) * | 2013-12-31 | 2014-04-23 | 武汉电信器件有限公司 | Single-optical-port wavelength division multiplexing/demultiplexing photoelectric transceiver device |
| CN203870287U (en) * | 2014-05-05 | 2014-10-08 | 广州隆润光学仪器有限公司 | Multichannel compact WDM optical central processor |
| CN205507148U (en) * | 2016-03-18 | 2016-08-24 | 苏州伽蓝致远电子科技股份有限公司 | High production efficiency's compact multichannel optical wavelength division multiplexer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768786A (en) * | 2017-10-09 | 2018-03-06 | 广东工业大学 | A kind of demultiplexer |
| WO2022213810A1 (en) * | 2021-04-09 | 2022-10-13 | 华为技术有限公司 | Wavelength-division multiplexing device and communication device |
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Application publication date: 20160706 |