CN104965268A - Multi-wavelength optical transmit-receive module element - Google Patents
Multi-wavelength optical transmit-receive module element Download PDFInfo
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- CN104965268A CN104965268A CN201510448419.8A CN201510448419A CN104965268A CN 104965268 A CN104965268 A CN 104965268A CN 201510448419 A CN201510448419 A CN 201510448419A CN 104965268 A CN104965268 A CN 104965268A
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- transceiver module
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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
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Communication System (AREA)
Abstract
The invention discloses a multi-wavelength optical transmit-receive module element. A rear end optical transmit-receive module which can detect an external optical path through a transmit-receive detection optical signal lambda3 is arranged inside an optical transmit-receive module. The optical transmit-receive module element comprises a public optical port, a front end optical module responsible for external optical communication and a rear end optical transmit-receive module responsible for detection of optical signal lambda3 transmit-receive. The public optical port, the front end optical module and the rear end optical transmit-receive module are arranged in the optical input direction of the multi-wavelength optical transmit-receive module element in order. The optical port directions of the front end optical module and the rear end optical transmit-receive module face towards the public optical port. An external optical signal lambda3 input from the public optical port is subjected to transmission through the front end optical module and enters into the rear end optical transmit-receive module. The optical signal lambda3 emitted from the rear end optical transmit-receive module is subjected to transmission through the front end optical module, enters into the public optical port and is outputted to the exterior. A module using the reflector network diagnosis scheme is arranged in the multi-wavelength optical transmit-receive module element, and thus the optical network diagnosis function can be integrated into an optical transmit-receive 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, the demand for single fiber three-way assembly and multi-wavelength assembly on market is also increasing, corresponding, also rises rapidly to the maintenance needs of optical-fiber network, and the optical fiber network construction form carrying network diagnostic function receives an acclaim.
In diagnosis type network, each light path has access reflector port on connecting, and is used 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, as circulator scheme, bypass apparatus scheme, reverberator scheme etc.Wherein the transformation degree of reverberator scheme to existing equipment is minimum, the most easily promote, if using the diagnostic optical fiber solution integration of reverberator in optical transceiver module, original fiber optic network can be made to upgrade to optical networking with network diagnostic function easily, large-scale redevelopment need not be carried out to fiber optic network.
Summary of the invention
The present invention proposes a kind of multi-wavelength light transceiver module assembly, and the module of built-in use reflector network diagnosis scheme, makes optical-fiber network diagnostic function can be integrated in optical transceiver module.
The present invention adopts following scheme.
A kind of multi-wavelength light transceiver module assembly, the built-in rear end optical transceiver module detected by transmitting-receiving sensed light signal λ 3 pairs of external circuits of described optical transceiver module.
The rear end optical transceiver module that described optical transceiver module assembly comprises common light port, is responsible for the front end optical module of external optical communication, is responsible for sensed light signal λ 3 transmitting-receiving, 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 light 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 light signal λ 3 that rear end optical transceiver module sends enters common light port and exports outside to after the optical module transmission of front end.
The optics of rear end optical transceiver module comprises the rear smooth transmitting terminal of responsible utilizing emitted light signal λ 3, be responsible for the rear optical receiving end of receiving optical signals λ 3, magnet ring, magnetic rotation mating plate, wave plate, first polarizing beam splitter, second polarizing beam splitter, first catoptron and the second catoptron, described magnetic rotation mating plate is located in magnet ring, described first polarizing beam splitter, magnetic rotation mating plate, wave plate, second catoptron is arranged in order on the light input direction of rear end optical transceiver module, the light reflection direction of the second catoptron points to common light port, described second catoptron, second polarizing beam splitter is positioned on the light input direction of rear optical receiving end successively, second polarizing beam splitter points to rear optical receiving end and the second catoptron respectively to the reflection direction of orthogonal polarized light, the reflection direction of described first polarizing beam splitter to orthogonal polarized light points to the first catoptron, second polarizing beam splitter is positioned on the light reflection direction of the first catoptron.
Described wave plate is 1/2 wave plate making the polarization direction of light beam rotate 45 degree.
The described magnetic rotation mating plate be located in magnet ring is the magnetic rotation mating plate making light polarization angle rotate 45 degree.
Wavelength used when wavelength and the front end optical module of described light signal λ 3 carry out external optical communication is different.
When described front end optical module is responsible for the reception of external optical communication signal and is sent simultaneously, front end optical module is the front end optical module that responsible external output optical signal λ 1 and outside input optical signal λ 2 receives and dispatches operation, the optics of front end optical module comprises the front light transmitting terminal of responsible external output optical signal λ 1, be responsible for the front optical receiving end receiving outside input optical signal λ 2, be responsible for second optical filter of reflected light signal λ 2 and optical signal transmissive λ 1 and λ 3, be 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 light signal λ 3 is vertical direction polarized light.
In the present invention, directly built-in by receiving and dispatching the rear end optical transceiver module that sensed light signal λ 3 pairs of external circuits detect 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 the fiber optic network seamless upgrade of tradition not with self-diagnostic function be band diagnostic function fiber optic network, without the need to significantly transforming fiber optic network.
In the present invention, what the module being responsible for optical communication adopted is reflect based on the Transmission light of optical filter, what rear end optical transceiver module then adopted is pure reflection technology, this makes the modular character of product of the present invention obvious, be easy to realize sub-module Design and manufacture, and mutual interference between module light path is less.
In the present invention, be responsible for then adopting pure reflection technology to the rear end optical transceiver module that outside optical-fiber network detects, this makes the light loss vector during optical transceiver module work of rear end less, thus can use lower powered light emission module on that module, reduces equipment heating and equipment volume.
In the present invention, be responsible in the rear end optical transceiver module that detects outside optical-fiber network, transmitting terminal and receiving end use the light of phase co-wavelength, this reduce the requirement to optical fiber, and make the judgement of diagnostic light signal more simple and easy, can detect optical-fiber network more conveniently.
In the present invention, rear end optical transceiver module is all collected the perpendicular polarisation components of the light signal λ 3 that detection process returns and horizontal polarization part, is conducive to the intensity promoting optical receiving end place light signal λ 3, is conducive to analyzing detectable signal, promotes detection sensitivity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described;
Accompanying drawing 1 is the schematic diagram of product of the present invention;
In figure: 1-common light port, light transmitting terminal before 21-, light transmitting terminal after 22-, optical receiving end before 31-, optical receiving end 41-first optical filter 42-second optical filter 51-first polarizing beam splitter after 32-, 52-second polarizing beam splitter, 61-first catoptron, 62-second catoptron, 7-magnet ring, 8-magnetic rotation mating plate, 9-wave plate.
Embodiment
As shown in Figure 1, a kind of multi-wavelength light transceiver module assembly, the built-in rear end optical transceiver module detected by transmitting-receiving sensed light signal λ 3 pairs of external circuits of described optical transceiver module.
The rear end optical transceiver module that described optical transceiver module assembly comprises common light port one, is responsible for the front end optical module of external optical communication, is responsible for sensed light signal λ 3 transmitting-receiving, 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 light 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 light signal λ 3 that rear end optical transceiver module sends enters common light port and exports outside to after the optical module transmission of front end.
The optics of rear end optical transceiver module comprises the rear smooth transmitting terminal 22 of responsible utilizing emitted light signal λ 3, be responsible for the rear optical receiving end 32 of receiving optical signals λ 3, magnet ring 7, magnetic rotation mating plate 8, wave plate 9, first polarizing beam splitter 51, second polarizing beam splitter 52, first catoptron 61 and the second catoptron 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 catoptron 62 is arranged in order on the light input direction of rear end optical transceiver module, the light reflection direction of the second catoptron points to common light port one, described second catoptron 62, second polarizing beam splitter is positioned on the light input direction of rear optical receiving end 32 successively, the reflection direction of the second polarizing beam splitter 52 pairs of orthogonal polarized lights points to rear optical receiving end 32 and the second catoptron 62 respectively, the reflection direction of described first polarizing beam splitter 51 pairs of orthogonal polarized lights points to the first catoptron 61, second polarizing beam splitter 52 is positioned on the light reflection direction of the first catoptron 61.
Described wave plate 9 is to make the polarization direction of light beam rotate 45 degree, and specification is 1/2 wave plate of 22.5 °.
Describedly be located at magnetic rotation mating plate 8 in magnet ring 7 and turn clockwise the magnetic rotation mating plate of 45 degree for making light polarization angle.
Wavelength used when wavelength and the front end optical module of described light signal λ 3 carry out external optical communication is different.
When described front end optical module is responsible for the reception of external optical communication signal and is sent simultaneously, front end optical module is the front end optical module that responsible external output optical signal λ 1 and outside input optical signal λ 2 receives and dispatches operation, the optics of front end optical module comprises the front light transmitting terminal 21 of responsible external output optical signal λ 1, be responsible for the front optical receiving end 31 receiving outside input optical signal λ 2, be responsible for second optical filter 42 of reflected light signal λ 2 and optical signal transmissive λ 1 and λ 3, be 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 one.
Described light 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 is sent simultaneously, the light signal λ 1 sent by front smooth transmitting terminal 21 laser tube enters the second optical filter 42 through the first optical filter 41 reflection, is received by common light port one by after the second optical filter 42 transmission; The external optical signal λ 2 inputted by common light port one after the second optical filter 42 reflects by the photoelectric detector of front optical receiving end 31.Achieve the external optical communication on same root optical fiber like this.
When external fiber fracture, when needing to detect external fiber networks, the vertical direction polarized light light signal λ 3 sent by rear smooth transmitting terminal 22 laser tube enters the second catoptron 62 after the second polarizing beam splitter 52 reflects, 22.5 ° of 1/2 wave plate 9 in rear arrival magnet ring 7 is reflected by the second catoptron 62, after 22.5 ° of 1/2 wave plate 9, the polarization direction of vertical direction light beam has turned clockwise 45 degree, again after the magnetic rotation mating plate 8 in magnet ring 7, the polarization direction of light beam has turned clockwise again 45 degree, the light beam of vertical direction becomes the light beam of parallel direction, parallel beam light 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 by common light port one after the first optical filter 41 and the second optical filter 42 transmission and export outside to, light signal λ 3 transmits at outside optical-fiber network and detects optical fiber, when arriving fibercuts position, light signal λ 3 is reflected back common light port one by rupture surface.
Due to the multiple reflections through external environment condition, being reflected back toward by the light signal λ 3 of common light port one is random polarization state light beam, and rear end optical transceiver module is collected parallel direction wherein and vertical direction part.
Parallel direction polarized light wherein, 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 counterclockwise again 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 catoptron 62, the second polarizing beam splitter 52 is arrived after the second catoptron 62 reflects, after the second polarizing beam splitter 52 transmission, finally by the photoelectric detector of rear optical receiving end 32.
Vertical direction polarized light wherein, the first polarizing beam splitter 51 is arrived after the second optical filter 42 and the first optical filter 41 transmission, the first catoptron 61 is arrived after the first polarizing beam splitter 51 reflects, rear arrival second polarizing beam splitter 52 is reflected by the first catoptron 61, after being reflected by the second polarizing beam splitter 52, finally by the photoelectric detector of rear optical receiving end 32.
Claims (3)
1. a multi-wavelength light transceiver module assembly, is characterized in that: the built-in rear end optical transceiver module detected by transmitting-receiving sensed light signal λ 3 pairs of external circuits of described optical transceiver module;
The rear end optical transceiver module that described optical transceiver module assembly comprises common light port (1), is responsible for the front end optical module of external optical communication, is responsible for sensed light signal λ 3 transmitting-receiving, 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 light 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 light signal λ 3 that rear end optical transceiver module sends enters common light port and exports outside to after the optical module transmission of front end;
The optics of rear end optical transceiver module comprises the rear smooth transmitting terminal (22) of responsible utilizing emitted light signal λ 3, be responsible for the rear optical receiving end (32) of receiving optical signals λ 3, magnet ring (7), magnetic rotation mating plate (8), wave plate (9), first polarizing beam splitter (51), second polarizing beam splitter (52), first catoptron (61) and the second catoptron (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 catoptron (62) is arranged in order on the light input direction of rear end optical transceiver module, the light reflection direction of the second catoptron points to common light port (1), described second catoptron (62), second polarizing beam splitter is positioned on the light input direction of rear optical receiving end (32) successively, second polarizing beam splitter (52) points to rear optical receiving end (32) and the second catoptron (62) respectively to the reflection direction of orthogonal polarized light, the reflection direction of described first polarizing beam splitter (51) to orthogonal polarized light points to the first catoptron (61), second polarizing beam splitter (52) is positioned on the light reflection direction of the first catoptron (61),
1/2 wave plate of described wave plate (9) for making the polarization direction of light beam rotate 45 degree;
The described magnetic rotation mating plate of magnetic rotation mating plate (8) for making light polarization angle rotate 45 degree be located in magnet ring (7);
Wavelength used when wavelength and the front end optical module of described light signal λ 3 carry out external optical communication is different.
2. a kind of multi-wavelength light transceiver module assembly 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 is sent simultaneously, front end optical module is the front end optical module that responsible external output optical signal λ 1 and outside input optical signal λ 2 receives and dispatches operation, the optics of front end optical module comprises the front light transmitting terminal (21) of responsible external output optical signal λ 1, be responsible for the front optical receiving end (31) receiving outside input optical signal λ 2, be responsible for second optical filter (42) of reflected light signal λ 2 and optical signal transmissive λ 1 and λ 3, be 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).
3. a kind of multi-wavelength light transceiver module assembly according to claim 1, is characterized in that: described light 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 CN104965268B (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN113169807A (en) * | 2018-11-20 | 2021-07-23 | 光电子学解决方案公司 | 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 |
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| CN104965268B (en) | 2016-08-24 |
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Effective date of registration: 20220606 Address after: 350000 room 62, floor 23, building 1, new drug innovation center, No. 10, Yaoxi Road, Nanyu Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Fujian Guangxu Technology Co.,Ltd. Address before: 350000 1st floor, building 24, Jinshan Fuwan Industrial Park, No. 869, Panyu Road, Fuzhou, Fujian Patentee before: FUZHOU RISING ELECTRO OPTICS CO.,LTD. |