CN104965268B - A kind of multi-wavelength light transceiver module assembly - Google Patents
A kind of multi-wavelength light transceiver module assembly Download PDFInfo
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- CN104965268B CN104965268B CN201510448419.8A CN201510448419A CN104965268B CN 104965268 B CN104965268 B CN 104965268B CN 201510448419 A CN201510448419 A CN 201510448419A CN 104965268 B CN104965268 B CN 104965268B
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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4213—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being polarisation selective optical elements
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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a kind of multi-wavelength light transceiver module assembly, the rear end optical transceiver module that external circuits is detected by the built-in energy of described optical transceiver module by transmitting-receiving detection optical signal λ 3.Described optical transceiver module assembly includes common light port, the front end optical module being responsible for external optical communication, is responsible for the rear end optical transceiver module that detection optical signal λ 3 receives and dispatches, and described common light port, front end optical module, rear end optical transceiver module are arranged in order on the light input direction of described multi-wavelength light transceiver module assembly；The optical port direction of described front end optical module and rear end optical transceiver module is all towards common light port, the outside optical signal λ 3 from the input of common light port enters rear end optical transceiver module after the optical module transmission of front end, and the optical signal λ 3 that rear end optical transceiver module sends enters the output of common light port to outside after the optical module transmission of front end.The module of the present invention built-in use reflector network diagnosis scheme so that optical-fiber network diagnostic function can be integrated in optical transceiver module.
Description
Technical field
The present invention relates to communication field, especially a kind of multi-wavelength light transceiver module assembly.
Background technology
Along with the application of fiber optic network is more and more universal, on market, the demand for single fiber three-way assembly and multi-wavelength assembly is the most increasing, corresponding, rises the maintenance needs of optical-fiber network the most rapidly, and the optical fiber network construction form carrying network diagnostic function receives an acclaim.
In diagnosis type network, each light path connects has access reflector port, for the signal of radiodiagnosis wavelength, to judge the node location that fiber cut failure occurs.For such demand, there is multiple application scheme in market, such as circulator scheme, bypass apparatus scheme, reflector scheme etc..Wherein reflector scheme is minimum to the transformation degree of existing equipment, it is easiest to promote, if using the diagnostic optical fiber solution integration of reflector in optical transceiver module, original fiber optic network will can be made to upgrade to the optical networking with network diagnostic function easily, fiber optic network need not be carried out large-scale redevelopment.
Summary of the invention
The present invention proposes a kind of multi-wavelength light transceiver module assembly, the module of built-in use reflector network diagnosis scheme so that optical-fiber network diagnostic function can be integrated in optical transceiver module.
The present invention uses below scheme.
A kind of multi-wavelength light transceiver module assembly, the rear end optical transceiver module that external circuits is detected by the built-in energy of described optical transceiver module by transmitting-receiving detection optical signal λ 3.
Described optical transceiver module assembly includes common light port, the front end optical module being responsible for external optical communication, is responsible for the rear end optical transceiver module that detection optical signal λ 3 receives and dispatches, and described common light port, front end optical module, rear end optical transceiver module are arranged in order on the light input direction of described multi-wavelength light transceiver module assembly；The input and output optical port of described front end optical module is located on common light port, and described rear end optical transceiver module connects with front end optical module；The optical port direction of described front end optical module and rear end optical transceiver module is all towards common light port, the outside optical signal λ 3 from the input of common light port enters rear end optical transceiver module after the optical module transmission of front end, and the optical signal λ 3 that rear end optical transceiver module sends enters the output of common light port to outside after the optical module transmission of front end.
nullThe optics of rear end optical transceiver module includes the rear light emission end being responsible for launching optical signal λ 3、It is responsible for receiving the rear optical receiving end of optical signal λ 3、Magnet ring、Magnetic rotation mating plate、Wave plate、First polarizing beam splitter、Second polarizing beam splitter、First reflecting mirror and the second reflecting mirror，Described magnetic rotation mating plate is located in magnet ring，Described first polarizing beam splitter、Magnetic rotation mating plate、Wave plate、Second reflecting mirror is arranged in order on the light input direction of rear end optical transceiver module，Common light port is pointed in the luminous reflectance direction of the second reflecting mirror，Described second reflecting mirror、Second polarizing beam splitter is sequentially located on the light input direction of rear optical receiving end，Second polarizing beam splitter is respectively directed to rear optical receiving end and the second reflecting mirror to the reflection direction of orthogonal polarized light，The reflection direction of orthogonal polarized light is pointed to the first reflecting mirror by described first polarizing beam splitter，Second polarizing beam splitter is positioned on the luminous reflectance direction of the first reflecting mirror.
Described wave plate is 1/2 wave plate making the polarization direction of polarized beam rotate 45 degree.
The described magnetic rotation mating plate being located in magnet ring is the magnetic rotation mating plate making light polarization angle rotate 45 degree.
It is different that the wavelength of described optical signal λ 3 carries out wavelength used during external optical communication from front end optical module.
When described front end optical module is responsible for the reception of external optical communication signal and sends simultaneously, front end optical module is to be responsible for externally output optical signal λ 1 and outside input optical signal λ 2 to receive and dispatch the front end optical module of operation, the optics of front end optical module includes the front light emission end being responsible for externally exporting optical signal λ 1, it is responsible for receiving the front optical receiving end of outside input optical signal λ 2, it is responsible for reflected light signal λ 2 and second optical filter of optical signal transmissive λ 1 and λ 3, it is responsible for first optical filter of reflected light signal λ 1 and optical signal transmissive λ 3, described second optical filter, first optical filter is arranged in order on the light input direction of front end optical module, the reflection direction of the second optical filter points to front optical receiving end, the reflection direction of the first optical filter points to common light port.
Described optical signal λ 3 is vertical direction polarized light.
In the present invention, the rear end optical transceiver module that external circuits is detected by direct built-in energy by transmitting-receiving detection optical signal λ 3 in optical transceiver module assembly, simplify the step adding network diagnostic device in fiber optic network, product described in the application of the invention, can directly tradition without the fiber optic network that fiber optic network seamless upgrade is band diagnostic function of self-diagnostic function, it is not necessary to fiber optic network is significantly transformed.
In the present invention, the module being responsible for optical communication uses light Transflective based on optical filter, rear end optical transceiver module then uses pure reflection technology, this makes the modular character of product of the present invention obvious, it is easily achieved sub-module design and manufactures, and interfering between module light path is less.
In the present invention, the rear end optical transceiver module being responsible for detecting outside optical-fiber network then uses pure reflection technology, this makes the light loss vector during optical transceiver module work of rear end less, such that it is able to use lower powered light emission module on that module, reduces equipment heating and equipment volume.
In the present invention, being responsible in the rear end optical transceiver module detecting outside optical-fiber network, transmitting terminal and receiving terminal use the light of phase co-wavelength, this reduce the requirement to optical fiber, and make the judgement to diagnostic light signal the simplest, it is possible to optical-fiber network is detected more conveniently.
In the present invention, perpendicular polarisation components and the horizontal polarization part of the optical signal λ 3 that detection process is returned by rear end optical transceiver module are all collected, and are conducive to promoting the intensity of optical signal λ 3 at optical receiving end, are conducive to analyzing detectable signal, promote detectivity.
Accompanying drawing explanation
The present invention is further described below in conjunction with the accompanying drawings；
Accompanying drawing 1 is the schematic diagram of product of the present invention；
In figure: 1-common light port, light emission end before 21-, light emission end after 22-, optical receiving end before 31-, optical receiving end 41-the first optical filter 42-the second optical filter 51-the first polarizing beam splitter after 32-, 52-the second polarizing beam splitter, 61-the first reflecting mirror, 62-the second reflecting mirror, 7-magnet ring, 8-magnetic rotation mating plate, 9-wave plate.
Detailed description of the invention
As it is shown in figure 1, a kind of multi-wavelength light transceiver module assembly, the rear end optical transceiver module that external circuits is detected by the built-in energy of described optical transceiver module by transmitting-receiving detection optical signal λ 3.
Described optical transceiver module assembly includes common light port 1, the front end optical module being responsible for external optical communication, is responsible for the rear end optical transceiver module that detection optical signal λ 3 receives and dispatches, and described common light port, front end optical module, rear end optical transceiver module are arranged in order on the light input direction of described multi-wavelength light transceiver module assembly；The input and output optical port of described front end optical module is located on common light port, and described rear end optical transceiver module connects with front end optical module；The optical port direction of described front end optical module and rear end optical transceiver module is all towards common light port, the outside optical signal λ 3 from the input of common light port enters rear end optical transceiver module after the optical module transmission of front end, and the optical signal λ 3 that rear end optical transceiver module sends enters the output of common light port to outside after the optical module transmission of front end.
nullThe optics of rear end optical transceiver module includes the rear light emission end 22 being responsible for launching optical signal λ 3、It is responsible for receiving the rear optical receiving end 32 of optical signal λ 3、Magnet ring 7、Magnetic rotation mating plate 8、Wave plate 9、First polarizing beam splitter 51、Second polarizing beam splitter 52、First reflecting mirror 61 and the second reflecting mirror 62，Described magnetic rotation mating plate 8 is located in magnet ring 7，Described first polarizing beam splitter 51、Magnetic rotation mating plate 8、Wave plate 9、Second reflecting mirror 62 is arranged in order on the light input direction of rear end optical transceiver module，Common light port 1 is pointed in the luminous reflectance direction of the second reflecting mirror，Described second reflecting mirror 62、Second polarizing beam splitter is sequentially located on the light input direction of rear optical receiving end 32，Second polarizing beam splitter 52 is respectively directed to rear optical receiving end 32 and the second reflecting mirror 62 to the reflection direction of orthogonal polarized light，The reflection direction of orthogonal polarized light is pointed to the first reflecting mirror 61 by described first polarizing beam splitter 51，Second polarizing beam splitter 52 is positioned on the luminous reflectance direction of the first reflecting mirror 61.
Described wave plate 9 is that the polarization direction that can make polarized beam rotates 45 degree, and specification is 1/2 wave plate of 22.5 °.
The described magnetic rotation mating plate 8 be located in magnet ring 7 is to make light polarization angle turn clockwise the magnetic rotation mating plate of 45 degree.
It is different that the wavelength of described optical signal λ 3 carries out wavelength used during external optical communication from front end optical module.
When described front end optical module is responsible for the reception of external optical communication signal and sends simultaneously, front end optical module is to be responsible for externally output optical signal λ 1 and outside input optical signal λ 2 to receive and dispatch the front end optical module of operation, the optics of front end optical module includes the front light emission end 21 being responsible for externally exporting optical signal λ 1, it is responsible for receiving the front optical receiving end 31 of outside input optical signal λ 2, it is responsible for reflected light signal λ 2 and second optical filter 42 of optical signal transmissive λ 1 and λ 3, it is responsible for first optical filter 41 of reflected light signal λ 1 and optical signal transmissive λ 3, described second optical filter 42, first optical filter 41 is arranged in order on the light input direction of front end optical module, the reflection direction of the second optical filter 42 points to front optical receiving end 31, the reflection direction of the first optical filter 41 points to common light port 1.
Described optical signal λ 3 is vertical direction polarized light.
Embodiment:
When described front end optical module is responsible for the reception of external optical communication signal and sends simultaneously, the optical signal λ 1 sent by front light emission end 21 laser tube is reflected into the second optical filter 42 through the first optical filter 41, is received by common light port 1 by after the second optical filter 42 transmission；The external optical signal λ 2 inputted by common light port 1 is received by the photodetector of front optical receiving end 31 after the second optical filter 42 reflects.It is achieved in that with the external optical communication on root optical fiber.
When external fiber ruptures, when needing external fiber networks is detected, the vertical direction polarized light optical signal λ 3 sent by rear light emission end 22 laser tube enters the second reflecting mirror 62 after the second polarizing beam splitter 52 reflects, 22.5 ° of 1/2 wave plate 9 in magnet ring 7 is arrived by the second reflecting mirror 62 after being reflected, after 22.5 ° of 1/2 wave plate 9, the polarization direction of vertical direction polarized beam has turned clockwise 45 degree, again after the magnetic rotation mating plate 8 in magnet ring 7, the polarization direction of polarized beam has turned clockwise again 45 degree, the polarized beam of vertical direction becomes the polarized beam of parallel direction；Collimated light beam polarized beam arrives the first polarizing beam splitter 51, the first optical filter 41 is arrived by after the first polarizing beam splitter 51 transmission, received and export by common light port 1 to outside after the first optical filter 41 and the second optical filter 42 transmission, optical fiber in outside optical-fiber network transmission and is detected by optical signal λ 3, when arriving fibercuts position, optical signal λ 3 is broken off face and is reflected back common light port 1.
Due to the multiple reflections through external environment condition, being reflected back toward by the optical signal λ 3 of common light port 1 is random polarization state light beam, and parallel direction therein and vertically oriented portion are collected by rear end optical transceiver module.
Parallel direction polarized light therein, the first polarizing beam splitter 51 is arrived after the second optical filter 42 and the first optical filter 41 transmission, the magnetic rotation mating plate 8 in magnet ring 7 is arrived after the first polarizing beam splitter 51 transmission, after magnetic rotation mating plate 8, parallel direction polarized light turns clockwise 45 degree, arrive 22.5 ° of 1/2 wave plate 9, 45 degree are rotated the most counterclockwise through 22.5 ° of 1/2 wave plate 9 rear polarizer light beam, revert to the polarized light of parallel direction, parallel direction polarized light arrives the second reflecting mirror 62, the second polarizing beam splitter 52 is arrived after the second reflecting mirror 62 reflection, after the second polarizing beam splitter 52 transmission, finally received by the photodetector of rear optical receiving end 32.
Vertical direction polarized light therein, the first polarizing beam splitter 51 is arrived after the second optical filter 42 and the first optical filter 41 transmission, the first reflecting mirror 61 is arrived after the first polarizing beam splitter 51 reflection, the second polarizing beam splitter 52 is arrived by the first reflecting mirror 61 after being reflected, after being reflected by the second polarizing beam splitter 52, finally received by the photodetector of rear optical receiving end 32.
Claims (3)
1. a multi-wavelength light transceiver module assembly, it is characterised in that: the rear end optical transceiver module that external circuits is detected by the built-in energy of described optical transceiver module by transmitting-receiving detection optical signal λ 3；
Described optical transceiver module assembly includes common light port (1), the front end optical module being responsible for external optical communication, is responsible for the rear end optical transceiver module that detection optical signal λ 3 receives and dispatches, and described common light port, front end optical module, rear end optical transceiver module are arranged in order on the light input direction of described multi-wavelength light transceiver module assembly；The input and output optical port of described front end optical module is located on common light port, and described rear end optical transceiver module connects with front end optical module；The optical port direction of described front end optical module and rear end optical transceiver module is all towards common light port, the outside optical signal λ 3 from the input of common light port enters rear end optical transceiver module after the optical module transmission of front end, and the optical signal λ 3 that rear end optical transceiver module sends enters the output of common light port to outside after the optical module transmission of front end；
nullThe optics of rear end optical transceiver module includes the rear light emission end (22) being responsible for launching optical signal λ 3、It is responsible for receiving the rear optical receiving end (32) of optical signal λ 3、Magnet ring (7)、Magnetic rotation mating plate (8)、Wave plate (9)、First polarizing beam splitter (51)、Second polarizing beam splitter (52)、First reflecting mirror (61) and the second reflecting mirror (62)，Described magnetic rotation mating plate (8) is located in magnet ring (7)，Described first polarizing beam splitter (51)、Magnetic rotation mating plate (8)、Wave plate (9)、Second reflecting mirror (62) is arranged in order on the light input direction of rear end optical transceiver module，Common light port (1) is pointed in the luminous reflectance direction of the second reflecting mirror，Described second reflecting mirror (62)、Second polarizing beam splitter is sequentially located on the light input direction of rear optical receiving end (32)，Second polarizing beam splitter (52) is respectively directed to rear optical receiving end (32) and the second reflecting mirror (62) to the reflection direction of orthogonal polarized light，The reflection direction of orthogonal polarized light is pointed to the first reflecting mirror (61) by described first polarizing beam splitter (51)，Second polarizing beam splitter (52) is positioned on the luminous reflectance direction of the first reflecting mirror (61)；
Described wave plate (9) is 1/2 wave plate making the polarization direction of polarized beam rotate 45 degree；
The described magnetic rotation mating plate (8) being located in magnet ring (7) is the magnetic rotation mating plate making light polarization angle rotate 45 degree；
It is different that the wavelength of described optical signal λ 3 carries out wavelength used during external optical communication from front end optical module.
nullA kind of multi-wavelength light transceiver module assembly the most according to claim 1，It is characterized in that: when described front end optical module is responsible for the reception of external optical communication signal and sends simultaneously，Front end optical module is to be responsible for externally output optical signal λ 1 and outside input optical signal λ 2 to receive and dispatch the front end optical module of operation，The optics of front end optical module includes the front light emission end (21) being responsible for externally exporting optical signal λ 1、It is responsible for receiving the front optical receiving end (31) of outside input optical signal λ 2、It is responsible for reflected light signal λ 2 and second optical filter (42) of optical signal transmissive λ 1 and λ 3、It is responsible for first optical filter (41) of reflected light signal λ 1 and optical signal transmissive λ 3，Described second optical filter (42)、First optical filter (41) is arranged in order on the light input direction of front end optical module，The reflection direction of the second optical filter (42) points to front optical receiving end (31)，The reflection direction of the first optical filter (41) points to common light port (1).
A kind of multi-wavelength light transceiver module assembly the most according to claim 1, it is characterised in that: described optical signal λ 3 is vertical direction polarized light.
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| CN201510448419.8A CN104965268B (en) | 2015-07-28 | 2015-07-28 | A kind of multi-wavelength light transceiver module assembly |
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| CN201510448419.8A CN104965268B (en) | 2015-07-28 | 2015-07-28 | A kind of multi-wavelength light transceiver module assembly |
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| CN104965268B true CN104965268B (en) | 2016-08-24 |
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| CN105258796A (en) * | 2015-10-13 | 2016-01-20 | 西安应用光学研究所 | Co-optical-path miniature multispectral imaging system |
| KR20200059356A (en) * | 2018-11-20 | 2020-05-29 | 주식회사 오이솔루션 | Multi-channel bidirectional optical communication module |
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| US5682447A (en) * | 1994-09-22 | 1997-10-28 | Washington State University Research Foundation | Photomechanical positioning and stabilization method and devices using optical fibers and feedback |
| CN100414333C (en) * | 2006-07-07 | 2008-08-27 | 中山大学 | A single fiber three-way wave separator/wave combination device |
| CN102364364B (en) * | 2011-11-22 | 2014-06-04 | 福州百讯光电有限公司 | Single-wavelength and single-fiber bidirectional light transceiving module assembly |
| CN104133273A (en) * | 2014-06-27 | 2014-11-05 | 厦门市贝莱光电技术有限公司 | Single-fiber bidirectional optical transceiving assembly |
| CN104391361B (en) * | 2014-12-01 | 2016-10-05 | 福州腾景光电科技有限公司 | A kind of single-fiber bidirectional transceiving module assembly |
| CN204945442U (en) * | 2015-07-28 | 2016-01-06 | 福州宏旭科技有限公司 | A kind of multi-wavelength light transceiver module assembly |
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