CN110275252A - Light receives and dispatches mould group and its light-receiving component - Google Patents
Light receives and dispatches mould group and its light-receiving component Download PDFInfo
- Publication number
- CN110275252A CN110275252A CN201810203277.2A CN201810203277A CN110275252A CN 110275252 A CN110275252 A CN 110275252A CN 201810203277 A CN201810203277 A CN 201810203277A CN 110275252 A CN110275252 A CN 110275252A
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- Prior art keywords
- light
- optical fiber
- optical
- fiber
- receiving
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Classifications
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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
- G02B6/4246—Bidirectionally operating package structures
-
- 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
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Receiving Elements (AREA)
Abstract
A kind of light transmitting-receiving mould group and its light-receiving component, which includes: a fiber-optical socket, for receiving signal light；One optical fiber has a receiving end, an exit end and the linkage section between the receiving end and the exit end, which is fixed to the fiber-optical socket, which has a reflecting slant；One shell, with accommodating chamber, the linkage section and exit end of the optical fiber extend into the accommodating chamber, and a fixing seat and a circuit board are equipped in the accommodating chamber；The fixing seat has a fixing groove, and the linkage section correspondence of the optical fiber is fixed in the fixing groove；An optical detector and an amplifier are provided on the circuit board, which is arranged in the lower section of the exit end of the optical fiber；The signal light inputted from the receiving end of the optical fiber enters the optical detector and is converted to electric signal after the reflection of the reflecting slant of the optical fiber, which exports outward after amplifier amplification.The present invention advantageously reduces Insertion Loss and the return loss of signal light, improves transmission rate.
Description
Technical field
The present invention relates to light-receiving components, more particularly to a kind of light that is suitable for receive and dispatch mould group, and is conducive to improve signal biography
The light-receiving component of transmission quality.
Background technique
Chinese patent CN201410466751.2 discloses a kind of light-receiving sub-assembly, it includes: a shell；One substrate,
In the shell；One fiber-optical socket, set on the one side of the shell, which includes a first end and a second end,
The first end to receive an optical fiber, the optical fiber to transmit one first light beam, and by first light beam be directed to this second
End；One lens are set in the shell, and adjacent to the second end；Multiple Photosensing Units are set on the substrate；One light wave
Guiding element is set on the substrate, positioned at the lens and those Photosensing Units between, the optical waveguide components comprising an input terminal and
Multiple output ends, the lens are to focus on the input terminal for first light beam exported from the second end, the optical waveguide components
According to received first light beam wavelength of the input terminal, received first light beam of the input terminal is dispersed into multiple second
Light beam, and those second light beams are exported from the output dispersion of those second ends from those output ends, those output ends are located at should
Above a little Photosensing Units；And an at least lens array, it is set to above those Photosensing Units, is adjacent to optical waveguide member
Part, the lens array include an at least incidence end, a reflecting surface and an at least exit end, and each incidence end is directed at the optical waveguide
One of those output ends of element, each exit end are directed at one of those Photosensing Units, the reflecting surface to
Those second light beams for entering the incidence end turn towards the exit end；The lens array further includes an entrance lens, is set to
One of the incidence end, second light beam of the entrance lens to receive the output of one of those output ends, make this
Two light beams focus to the reflecting surface；The lens array further includes an exit lens, is set to one of the exit end, the outgoing
Lens are to focus to one of those Photosensing Units for second light beam of the reflective surface.This light-receiving time group
Part structure needs to introduce lens, optical waveguide components and lens array, and the signal beams inputted from fiber-optical socket are needed by multiple
Photosensing Units is got to after coupling, increases Insertion Loss and the return loss of signal beams, is unfavorable for improving the quality of signal transmission.
Summary of the invention
Technical problem to be solved by the present invention lies in overcoming above-mentioned deficiency of the prior art, and propose a kind of light
Receiving unit is conducive to simplify manufacture craft, reduces Insertion Loss and the return loss of signal light, improves transmission rate.
The present invention proposes a kind of light-receiving component in view of the above technical problems, comprising:
One fiber-optical socket, for receiving a signal light；
One optical fiber has a receiving end, an exit end and the linkage section between the receiving end and the exit end,
The receiving end is fixed to the fiber-optical socket, which has a reflecting slant；
One shell has an accommodating chamber, and the linkage section and exit end of the optical fiber extend into the accommodating chamber, in the accommodating chamber
Equipped with a fixing seat and a circuit board；The fixing seat has a fixing groove, and the linkage section correspondence of the optical fiber is fixed on the fixing groove
In；An optical detector and an amplifier are provided on the circuit board, which is arranged in the lower section of the exit end of the optical fiber；
Wherein, the signal light inputted from the receiving end of the optical fiber enters this after the reflection of the reflecting slant of the optical fiber
Optical detector is converted to electric signal, which exports outward after amplifier amplification.
The present invention also proposes a kind of light transmitting-receiving mould group in view of the above technical problems, comprising: a pedestal, is installed in one lid
In the space enclosed out by the pedestal with the lid and extend outward one dock circuit board and docked with this circuit board weldering
The light emission component and light-receiving component as described above connect.
Compared with prior art, light-receiving component of the invention by dexterously using be connected to fiber-optical socket and shell it
Between optical fiber transmit signal light, recycle the reflecting slant for being located at fiber exit end signal light is directly reflected into the light of lower section
Detector is conducive to simplify manufacture craft, reduces Insertion Loss and the return loss of signal light, improves transmission rate.
Detailed description of the invention
Fig. 1 is the combination stereogram of a preferred embodiment of light transmitting-receiving mould group of the present invention.
Fig. 2 is the exploded perspective view of Fig. 1.
Fig. 3 and Fig. 4 is the perspective view of two different perspectivess of a preferred embodiment of light-receiving component of the present invention, wherein light
The top cover of receiving unit is removed.
Fig. 5 is the partial enlarged view of a-quadrant in Fig. 4.
Fig. 6, Fig. 7 and Fig. 8 are the stereogram exploded views of three different perspectivess of light-receiving component preferred embodiment of the present invention.
Fig. 9 is the partial enlarged view in the region C in Fig. 8.
Wherein, the reference numerals are as follows: 100 light receive and dispatch 10 light-receiving component of mould group, 20 light emission component 202 second
204 second housing of fiber-optical socket, 30 lid, 40 pedestal 50 docks 1 fiber-optical socket of circuit board, 2 optical fiber, 3 shell 32 opening
34 perforation 39 accommodating chamber, 4 fixing seat, 42 fixing groove, 5 circuit board, 51 substrate, 52 base of ceramic, 6 optical detector, 7 amplifiers
8 flexible circuit board, 82 welded gasket, 9 fiber boot.
Specific embodiment
Although the present invention can easily show as various forms of embodiments, it is shown in the accompanying drawings and in this explanation
What be will be explained in book is only some of specific embodiments, while being understandable that this specification is construed as this hair
Bright principle it is exemplary illustrated, and be not intended to limit the invention to it is illustrated herein as.
A feature pointed in this specification shall illustrate one of them of one embodiment of the present of invention as a result,
Feature, rather than imply that each embodiment of the invention must have illustrated feature.Further it is to be noted that be this explanation
Book describes many features.Although certain features can be combined to show possible system design, these features
It can also be used for other combinations that explanation is not known.As a result, unless otherwise indicated, illustrated combination is not intended to limit.
In the embodiment shown in the figures, the instruction (such as upper, lower, left, right, front and rear) in direction is used to explain the present invention
Various elements structure and movement be not absolute but opposite.When these elements are in position shown in the drawings, this
A little explanations are suitable.If the explanation of the position of these elements changes, the instruction in these directions also correspondingly changes
Become.
Below in conjunction with the attached drawing of this specification, presently preferred embodiments of the present invention is further described in detail.
Referring to Fig. 1 and Fig. 2, the present invention proposes that a kind of light transmitting-receiving mould group 100, light transmitting-receiving mould group 100 can be suitable for
The optical signal transmission of 100G.Light transmitting-receiving mould group 100 includes: a pedestal 40, a lid 30, is installed in by the pedestal 40 and the lid
In the space that body 30 encloses out and extend outward one docking circuit board 50 and be welded on the docking circuit board 50 one
Light emission component (TOSA) 20 and a light-receiving component (ROSA) 10.Wherein the light emission component 20 is used to emit a signal light,
And the light-receiving component 10 is for receiving a signal light.
In conjunction with referring to Fig. 3 to Fig. 9, the present invention proposes a kind of light-receiving component 10, which includes: an optical fiber
Socket 1, an optical fiber 2, the shell 3 to be linked together by the optical fiber 2 and the fiber-optical socket 1, one be installed in the shell 3
Fixing seat 4 and a circuit board 5, and the optical detector 6 and an amplifier 7 that are installed on the circuit board 5.
Referring to Fig. 6, which has a receiving end 21, an exit end 23 and is located at the receiving end 21 and the exit end 23
Between a linkage section 25, which is arranged with a fiber boot 9, for protecting the optical fiber 2 injury-free.Wherein,
The receiving end 21 is fixed together with the fiber-optical socket 1, is used to receive a signal light.
It is rectangle referring to fig. 4 with Fig. 5, the shell 3, middle part is formed with an accommodating chamber 39, wherein for closing the receipts
The top cover of cavity 39 is removed to show its internal construction.Referring to Fig. 6 and Fig. 7, the rear end of the shell 3 is formed with an opening
32, the front end of the shell 3 is formed with a perforation 34.The circuit board 5 is inserted into accommodating chamber 39 before the rear direction of the opening 32.
Exit end 23 and the linkage section 25 of the optical fiber 2 are extend into the accommodating chamber 39 of the shell 3.The linkage section 25 is existed by setting
A fixing groove 42 in fixing seat 4 in the accommodating chamber 39 is supported.The fixing groove 42 is horizontally provided with the fixing seat 4
Top surface, in the v-shaped structure extended along the longitudinal direction.The linkage section 25 is preferably using viscose glue (such as: epoxide-resin glue) bonding
In the fixing groove 42.This fixed structure is conducive to make the exit end 23 of the optical fiber 2 to extend horizontally arrangement.
Referring to Fig. 5 and Fig. 9, which is equipped with a reflecting slant 231.The axial direction of the reflecting slant 231 and the optical fiber 2
It is preferably in 45 degree of angles.The signal light inputted from receiving end 21 enters after the reflecting slant 231 reflection and is located at and should go out
The optical detector 6 for penetrating 23 lower section of end is converted to electric signal, after which amplifies through the amplifier 7, can pass through a flexibility
Circuit board 8 is output to the docking circuit board 50 outward.
In the present embodiment, which preferably uses transmission rate for the photo detector chip of 25G.And this is put
Big device 7 is preferably the transimpedance amplifier chip (TIA) using PAM4 pulse amplitude modulation technology, can once receive two
The data of bit, so as to receive the optical signal of 100G rate to improve transmission speed.
Referring to Fig. 3 and Fig. 4, the first half of the optical fiber 2 is protected using the fiber boot 9.The fiber boot 9
One end be fixed on the fiber-optical socket 1, and its other end is fixed in the perforation 34 of the shell 3 (referring to Fig. 6 and Fig. 7), thus
Axial pulling capacity can be undertaken for the optical fiber 2, prevent the optical fiber 2 being connected between the fiber-optical socket 1 and the shell 3 by external force
It breaks.
Referring to Fig. 6, Fig. 7 and Fig. 8, which is made of a substrate 51 and a base of ceramic 52, before the circuit board 5
Half part (being made of a part of the whole of the base of ceramic 52 and the substrate 51) is extend into the accommodating chamber 39, and later half
It partially (is made of the remainder of the substrate 51) and is stretched out backward from the shell 3.The base of ceramic 52 is thinner than the substrate 51.It should
Base of ceramic 52 is welded on the front side of the substrate 51.
Referring to Fig. 5, the upper surface of the base of ceramic 52 is arranged in the optical detector 6 and the amplifier 7.The optical detector 6
It is substantially concordant with the top surface of the amplifier 7 and the top surface of the substrate 51.The flexible circuit board 8 is welded on the rear end of the substrate 51
Surface.The protruding shell 3 of the flexible circuit board 8, end are equipped with multiple welded gaskets 82 (referring to Fig. 3 and Fig. 4), these welderings
Connection pad 8 is corresponding to be welded to docking circuit board 50, so as to export the electric signal passed through after the amplifier 7 amplifies outward.
Referring to fig. 2, which includes that one second fiber-optical socket 202 (is schemed with for installing a photocell
It is not shown) second housing 204 in it, wherein second fiber-optical socket 202 and the second housing 204 are such as background technique
Like that by being rigidly connected.
Compared with prior art, light transmitting-receiving mould group 100 of the invention and its beneficial effect of light-receiving component 10 include:
The docking circuit board 50 for being welded with the light-receiving component 10 and the light emission component 20 is assembled into the base of light transmitting-receiving mould group 100
When seat 40, corresponding fix of the second fiber-optical socket 202 of rigidly connected light emission component 20 first can be arrived into pedestal 40, then by light
Corresponding fix of the fiber-optical socket 1 of receiving unit 10 arrives pedestal 40.Due between the fiber-optical socket 1 and shell 3 of light-receiving component 10
Be using optical fiber 2 flexible connection together, therefore fiber-optical socket 1 during installation can easily accurate contraposition and fix arrive base
Seat 40；On the other hand, the biggish assembling tolerance for adapting to occur in manufacturing process is conducive to using above-mentioned flexible connection, will not gone out
Existing two fiber-optical sockets 1,202 can not fix the situation to pedestal 40 by accurate contraposition simultaneously.In addition, light-receiving component 10 of the invention
The receiving end 21 of optical fiber 2 is arranged on the fiber-optical socket 1, and directly will using the reflection end face 231 of the exit end 23 of optical fiber 2
Signal does not need the biography as background technique in signal light optically coupling to the optical detector 6 below exit end 23, this design
Lens array and optical waveguide components are introduced during defeated, can so reduce Insertion Loss and the return loss of signal light.Further, since
Amplifier 7 is the transimpedance amplifier chip using PAM4 pulse amplitude modulation technology, can receive 100G under the rate of 25G
Optical signal, improve transmission rate.
Above content is only presently preferred embodiments of the present invention, is not intended to limit embodiment of the present invention, and this field is general
Logical technical staff's central scope according to the present invention and spirit can very easily carry out corresponding flexible or modification, therefore originally
The protection scope of invention should be subject to protection scope required by claims.
Claims (10)
1. a kind of light-receiving component characterized by comprising
One fiber-optical socket, for receiving a signal light；
One optical fiber has a receiving end, an exit end and the linkage section between the receiving end and the exit end, this connects
Receiving end is fixed to the fiber-optical socket, which has a reflecting slant；
One shell, has an accommodating chamber, and the linkage section and exit end of the optical fiber extend into the accommodating chamber, be equipped in the accommodating chamber
One fixing seat and a circuit board；The fixing seat has a fixing groove, and the linkage section correspondence of the optical fiber is fixed in the fixing groove；It should
An optical detector and an amplifier are provided on circuit board, which is arranged in the lower section of the exit end of the optical fiber；
Wherein, the signal light inputted from the receiving end of the optical fiber enters light spy after the reflection of the reflecting slant of the optical fiber
It surveys device and is converted to electric signal, which exports outward after amplifier amplification.
2. light-receiving component according to claim 1, which is characterized in that the fiber-optical socket is soft by the optical fiber with the shell
Link together to property.
3. light-receiving component according to claim 2, which is characterized in that further include the optical fiber for being set in the optical fiber periphery
Protective case, one end of the fiber boot is fixed to the fiber-optical socket, the other end is fixed to the shell.
4. light-receiving component according to claim 1, which is characterized in that for the exit end of the optical fiber in horizontally disposed, this is anti-
The axial direction of inclined-plane and the optical fiber is penetrated in 45 degree of angles.
5. light-receiving component according to claim 1, which is characterized in that the fixing groove is V-shaped, and the linkage section of the optical fiber is adopted
It is bonded in the fixing groove with viscose glue.
6. light-receiving component according to claim 1, which is characterized in that the optical detector uses transmission rate for 25G's
Photo detector chip, the amplifier use the transimpedance amplifier chip of PAM4 pulse amplitude modulation technology.
7. light-receiving component according to claim 1, which is characterized in that further include the flexible electrical being connected with the circuit board
Road plate, the protruding shell of the flexible circuit board, end are equipped with multiple welded gaskets.
8. according to the described in any item light-receiving components of claim 1 to 7, which is characterized in that the circuit board is by a substrate and one
Base of ceramic is constituted；Wherein, which is welded on the front side of the substrate, and the optical detector and the amplifier are arranged in the pottery
The upper surface of porcelain pedestal.
9. a kind of light receives and dispatches mould group characterized by comprising a pedestal, a lid are installed in by the pedestal and lid enclosing
In space out and extend outward one docking circuit board and be welded on the docking circuit board such as claim 1 to 8
Described in any item light-receiving components and a light emission component.
10. light according to claim 9 receives and dispatches mould group, which is characterized in that the light emission component is inserted including one second optical fiber
Seat and for installing a second housing of the photocell in it, wherein second fiber-optical socket and the second housing are rigid
Property links together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203277.2A CN110275252B (en) | 2018-03-13 | 2018-03-13 | Optical transceiver module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810203277.2A CN110275252B (en) | 2018-03-13 | 2018-03-13 | Optical transceiver module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110275252A true CN110275252A (en) | 2019-09-24 |
| CN110275252B CN110275252B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810203277.2A Active CN110275252B (en) | 2018-03-13 | 2018-03-13 | Optical transceiver module |
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| Country | Link |
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| CN (1) | CN110275252B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200596A (en) * | 2020-09-18 | 2022-03-18 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| US4915470A (en) * | 1989-05-09 | 1990-04-10 | Rockwell International Corporation | Optical module connector apparatus |
| CN1711646A (en) * | 2002-11-19 | 2005-12-21 | 布克哈姆技术公共有限公司 | Optical component mounting and interconnect apparatus |
| CN1880990A (en) * | 2005-06-01 | 2006-12-20 | 罗门哈斯电子材料有限公司 | Optical assemblies |
| CN101226261A (en) * | 2008-02-18 | 2008-07-23 | 武汉电信器件有限公司 | Method for coupling optical fiber and face type photoelectricity chip as well as structure thereof |
| CN105187127A (en) * | 2014-06-20 | 2015-12-23 | 日本奥兰若株式会社 | Optical transceiver |
| CN105278056A (en) * | 2015-11-06 | 2016-01-27 | 武汉电信器件有限公司 | Wavelength division multiplexing and de-multiplexing optical assembly |
-
2018
- 2018-03-13 CN CN201810203277.2A patent/CN110275252B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915470A (en) * | 1989-05-09 | 1990-04-10 | Rockwell International Corporation | Optical module connector apparatus |
| CN1711646A (en) * | 2002-11-19 | 2005-12-21 | 布克哈姆技术公共有限公司 | Optical component mounting and interconnect apparatus |
| CN1880990A (en) * | 2005-06-01 | 2006-12-20 | 罗门哈斯电子材料有限公司 | Optical assemblies |
| CN101226261A (en) * | 2008-02-18 | 2008-07-23 | 武汉电信器件有限公司 | Method for coupling optical fiber and face type photoelectricity chip as well as structure thereof |
| CN105187127A (en) * | 2014-06-20 | 2015-12-23 | 日本奥兰若株式会社 | Optical transceiver |
| CN105278056A (en) * | 2015-11-06 | 2016-01-27 | 武汉电信器件有限公司 | Wavelength division multiplexing and de-multiplexing optical assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114200596A (en) * | 2020-09-18 | 2022-03-18 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| Publication number | Publication date |
|---|---|
| CN110275252B (en) | 2023-06-30 |
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