CN103163599B - Optical-electrical converter - Google Patents
Optical-electrical converter Download PDFInfo
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- CN103163599B CN103163599B CN201110420296.9A CN201110420296A CN103163599B CN 103163599 B CN103163599 B CN 103163599B CN 201110420296 A CN201110420296 A CN 201110420296A CN 103163599 B CN103163599 B CN 103163599B
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- optical
- electrical converter
- supporting part
- circuit board
- light
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- Optical Couplings Of Light Guides (AREA)
Abstract
A kind of optical-electrical converter, it includes circuit board, the laser diode electrically connected with this circuit board, bracing frame and optical transport portion, in the space that this laser diode is contained in this bracing frame and this optical transport portion is collectively forming, this optical-electrical converter also includes the laser energy monitor component being located in the space of this bracing frame and the formation of this optical transport portion, this laser energy monitor component includes light splitting part and optical inductor, this laser diode is arranged in this light splitting part, this optical inductor is arranged at this light splitting part side, the light part that this laser diode is launched is transmitted to this optical communication means through the refraction of this light splitting part, a part for this light reflexes to this optical inductor through this light splitting part.Described optical-electrical converter can monitor and the laser energy condition of stabilized lasers diode emitter.
Description
Technical field
The present invention relates to opto-electronic conversion field, particularly relate to a kind of optical-electrical converter.
Background technology
General optical-electrical converter includes laser diode (Laser Diode), the first optical transport portion and the second optical transport portion of the first optical transport portion coupling and photodiode (Photo
Diode).After laser diode launches optical signal, this optical signal enters the first optical transport portion, and is transmitted by the second optical transport portion, eventually enters into photodiode, and optical signal is converted into the signal of telecommunication by photodiode, thus reaches the purpose of opto-electronic conversion.
The typically transmission eye pattern by this optical-electrical converter understands the performance of this signal transmission system.But, when bigger to the bandwidth requirements of optical signal, when i.e. the laser energy to laser diode outgoing requires bigger, cause the distribution of laser energy time domain more unstable, so that the resolvability of the transmission eye pattern of optical-electrical converter is poor, thus the performance of signal transmission system cannot be obtained from transmission eye pattern.
Summary of the invention
In view of the foregoing, it is necessary to a kind of optical-electrical converter that can monitor the also laser energy condition of stabilized lasers diode emitter is provided.
A kind of optical-electrical converter, it includes circuit board, the laser diode electrically connected with this circuit board, bracing frame and optical transport portion, in the space that this laser diode is contained in this bracing frame and this optical transport portion is collectively forming, this optical-electrical converter also includes the laser energy monitor component being located in the space of this bracing frame and the formation of this optical transport portion, this laser energy monitor component includes light splitting part and optical inductor, this laser diode is arranged in this light splitting part, this optical inductor is arranged at this light splitting part side, the light part that this laser diode is launched is transmitted to this optical communication means through the refraction of this light splitting part, a part for this light reflexes to this optical inductor through this light splitting part.
Above-mentioned optical-electrical converter, owing to adding laser energy monitor component, laser energy monitor component includes light splitting part and optical inductor.Make to refract through spectrum part and by the enough parts of other function of optical transport portion transmission to optical-electrical converter through the light major part of laser diode outgoing, also some light reflexes to optical inductor through spectrum part, enable optical inductor to monitor and pass through the laser energy time domain distribution of circuit board timely feedback laser diode outgoing, thus the stability of laser energy of laser diode outgoing is controlled by controlling voltage, can be with distinguishing with ensure the transmission eye pattern of optical-electrical converter.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the optical-electrical converter of embodiment of the present invention.
Fig. 2 is the decomposing schematic representation of optical-electrical converter shown in Fig. 1, and optical-electrical converter includes optical transport portion.
Fig. 3 is the other direction schematic diagram in the optical transport portion of optical-electrical converter shown in Fig. 2.
Fig. 4 is the generalized section of optical-electrical converter shown in Fig. 1.
Main element symbol description
| Optical-electrical converter | 100 |
| Circuit board | 10 |
| Laser diode | 20 |
| Laser energy monitor component | 30 |
| Bracing frame | 40 |
| Optical transport portion | 50 |
| Light splitting part | 31 |
| Optical inductor | 33 |
| First supporting part | 311 |
| Second supporting part | 313 |
| Spectrum part | 315 |
| Light leak mouth | 3131 |
| Partly penetrate optical thin film | 3151 |
| Body | 51 |
| First lens | 53 |
| Second lens | 55 |
| First surface | 511 |
| Second surface | 513 |
| Side | 515 |
| Groove | 5131 |
| The first side wall | 5133 |
| Second sidewall | 5135 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Referring to Fig. 1 and Fig. 2, the optical-electrical converter 100 of embodiment of the present invention includes circuit board 10, laser diode 20, laser energy monitor component 30, bracing frame 40 and optical transport portion 50.Laser diode 20 and laser energy monitor component 30 may be contained within circuit board 10, and electrically connect with circuit board 10 respectively.Bracing frame 40 is fixedly installed on circuit board, and it is used for accommodating laser diode 20 and laser energy monitor component 30, and is used for supporting optical transport portion 50, so that optical transport portion 50 and laser diode 20 are oppositely arranged.Optical-electrical converter 100 is for transmission and transmitting photo-signal, it includes that the enough modules of various function are enough for realizing various corresponding function, as include photodiode for converting optical signals into the signal of telecommunication, but, for saving space, present embodiment is not given detailed description.
Please refer to Fig. 4, laser energy monitor component 30 includes light splitting part 31 and optical inductor 33.Light splitting part 31 and optical inductor 33 may be contained within circuit board 10.Optical inductor 33 is arranged at laser diode 20 side, and is arranged at light splitting part 31 side.
Light splitting part 31 includes the first supporting part the 311, second supporting part 313 and spectrum part 315.First supporting part the 311, second supporting part 313 and spectrum part 315 are flake.First supporting part 311 is relative with the second supporting part 313 is located at laser diode 20 2 side on circuit board 10, and spectrum part 315 is arranged at the first supporting part 311 and the end of the second supporting part 313 and is positioned at above laser diode 20.The length of the first supporting part 311 and the length of circuit board 10 vertical direction and the second supporting part 313 and circuit board 10 vertical direction is unequal, so that spectrum part 315 opposing circuit board 10 is inclined-plane.In present embodiment, the length of the second supporting part 313 and circuit board 10 vertical direction is more than the first supporting part 311 and the length of circuit board 10 vertical direction.
Second supporting part 313 offers light leak mouth 3131 near one end of circuit board 10.Optical inductor 33 is arranged at the second supporting part 313 away from the first supporting part 311 side, and optical inductor 33 is arranged at light leak mouth 3131.
In present embodiment, light leak mouth 3131 is square, it will be understood that light leak mouth 3131 can also be other shape, such as circle, trapezoidal etc..
Spectrum part 315 is formed away from the surface of laser diode 20 and partly penetrates optical thin film 3151.Partly penetrating optical thin film 3151 can be to be formed in spectrum part 315 surface by methods such as electron beam evaporation plating, plasma enhanced chemical vapor deposition (PECVD), magnetron sputterings.In present embodiment, partly penetrate optical thin film 3151 and use electron beam evaporation methods to be formed in spectrum part 315 surface.
Laser diode 20 is arranged between the first supporting part 311 and the second supporting part 313 and concordant with optical inductor 33 and relative with spectrum part 315.After laser diode 20 launches light, light is to spectrum part 315, optical thin film 3151 is partly penetrated owing to spectrum part 315 surface is formed, so, major part light is through refracting through spectrum part 315, small part light reflects through spectrum part 315 and passes the light leak mouth 3131 of the second supporting part 313, supports to optical inductor 33.
Bracing frame 40 is arranged on circuit board 10 around laser diode 20 and laser energy monitor component 30.In present embodiment, bracing frame 40 is rectangular box-like, it is possible to understand that, bracing frame 40 can also be other shape, as long as laser diode 20 and laser energy monitor component 30 can be contained in bracing frame 40, if bracing frame 40 can also be triangle frame-shaped, annular frame-shaped etc..
Please refer to Fig. 3, optical transport portion 50 is fixedly installed on bracing frame 40 top.Optical transport portion 50 includes body the 51, first lens 53 and the second lens 55.In present embodiment, the first lens 53 and the second lens 55 are single convex spherical collecting lens.Body 51 is light dielectric material, such as optical crystal, optical plastic and optical glass etc..
Body 51 is substantially rectangular, and it includes the second surface 513 relative with first surface 511 with the first surface 511 of bracing frame 40 connection and connects first surface 511 and the side 515 of second surface 513.In present embodiment, side 515 and first surface 511 and second surface 513 are vertical.
Please refer to Fig. 4, second surface 513 offers groove 5131.In present embodiment, groove 5131 is triangular groove, and it includes the first side wall 5133 and tilts, with the first side wall 5133, the second sidewall 5135 intersected.The first side wall 5133 edge and the vertical direction of circuit board 10 extend, and the second sidewall 5135 edge becomes 45 directions to extend with the first side wall 5133.
First lens 53 are convexly equipped on first surface 511.First lens 53 are arranged between spectrum part 315 and groove 5131.Second lens 55 are convexly equipped on side 515, and are arranged on the same vertical vertical with circuit board 10 with the first lens 53.
It is appreciated that, side 515 can also get along well first surface 511 and second surface 513 vertical, i.e. side 515 can be with first surface 511 and second surface 513 oblique, then for making light be transmitted to the second sidewall 5135 by the first lens 53 and be all-trans and be incident upon the second lens 55, then the angle of the second sidewall 5135 and the first side wall 5133 changes according to side 515 and the variable angle of first surface 511.
The light reflected through spectrum part 315 transmits to body 51 after the first lens 53 optically focused, until light transmits to the second sidewall 5135, light at the second sidewall 5135 through total reflection, the direction parallel with circuit board 10, edge is transmitted in body 51, until light transmits to the second lens 55, after the second lens 55 collimation, outgoing is to the enough parts of other function of optical-electrical converter, to realize follow-up opto-electronic conversion for light.
It is appreciated that body 51 uses high-index material to make, so that light can be totally reflected at the second sidewall 5135.
The optical-electrical converter 100 of present embodiment, owing to adding laser energy monitor component 30 compared to prior art, laser energy monitor component 30 includes light splitting part 31 and optical inductor 33.Make to refract through spectrum part 315 through the light major part of laser diode 20 outgoing and transmit the enough parts of other function to optical-electrical converter by optical transport portion 50, also some light reflexes to optical inductor 33 through spectrum part 315, make optical inductor 33 can monitor and pass through the laser energy time domain distribution of timely feedback laser diode 20 outgoing of circuit board 10, thus the stability of laser energy of laser diode 20 outgoing is controlled by controlling voltage, can be with distinguishing with ensure the transmission eye pattern of optical-electrical converter.
It is understood that for the person of ordinary skill of the art, can conceive according to the technology of the present invention and make other various corresponding changes and deformation, and all these change all should belong to the protection domain of the claims in the present invention with deformation.
Claims (9)
1. an optical-electrical converter, it includes the laser that circuit board electrically connects with this circuit board
Diode, bracing frame and optical transport portion, this laser diode is contained in this bracing frame and this light
In the space that transport part is collectively forming, it is characterised in that: this optical-electrical converter also includes being located at
Laser energy monitor component in the space that this bracing frame and this optical transport portion are formed, this laser
Energy monitor component includes light splitting part and optical inductor, and this laser diode is arranged at this point
In light parts, this optical inductor is arranged at this light splitting part side, and this laser diode is launched
Light a part through this light splitting part refraction transmission to this optical communication means, the one of this light
Part reflex to this optical inductor through this light splitting part, this light splitting part include the first supporting part,
Second supporting part and spectrum part, this first supporting part and the second supporting part is opposed is located at this electricity
On the plate of road, this spectrum part is arranged at this first supporting part and the end of the second supporting part, and this is years old
The length that one supporting part is perpendicular on the direction of this circuit board and this second supporting part are perpendicular to this
Length on the direction of circuit board is unequal.
2. optical-electrical converter as claimed in claim 1, it is characterised in that: this second supporting part
The length being perpendicular on the direction of this circuit board is perpendicular to this circuit board more than this first supporting part
Direction on length.
3. optical-electrical converter as claimed in claim 2, it is characterised in that: this second supporting part
Offering light leak mouth near one end of this circuit board, this optical inductor is arranged at this second support
Portion is away from this first supporting part side, and this optical inductor is arranged at this light leak mouth.
4. optical-electrical converter as claimed in claim 1, it is characterised in that: this spectrum part towards
The surface in this optical transport portion is formed and partly penetrates optical thin film.
5. optical-electrical converter as claimed in claim 3, it is characterised in that: this laser diode
It is arranged between this first supporting part and second supporting part, and relative with this spectrum part.
6. optical-electrical converter as claimed in claim 1, it is characterised in that: this optical transport portion wraps
Include body, the first lens and the second lens, this body include first surface, second surface and
Connecting the side of this first surface and second surface, these first lens are arranged at this first surface
On, these second lens are arranged on this side.
7. optical-electrical converter as claimed in claim 6, it is characterised in that: on this second surface
Offering groove, this groove includes the first side wall and the second sidewall intersected with this first side wall,
The direction extension that this first side wall edge is vertical with this circuit board.
8. optical-electrical converter as claimed in claim 7, it is characterised in that: this second sidewall edge
The direction at 45 ° with this first side wall extends.
9. optical-electrical converter as claimed in claim 6, it is characterised in that: these first lens and
These second lens are single convex spherical collecting lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420296.9A CN103163599B (en) | 2011-12-15 | 2011-12-15 | Optical-electrical converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110420296.9A CN103163599B (en) | 2011-12-15 | 2011-12-15 | Optical-electrical converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103163599A CN103163599A (en) | 2013-06-19 |
| CN103163599B true CN103163599B (en) | 2016-09-14 |
Family
ID=48586829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110420296.9A Expired - Fee Related CN103163599B (en) | 2011-12-15 | 2011-12-15 | Optical-electrical converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103163599B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744148B (en) * | 2014-02-10 | 2015-08-19 | 青岛海信宽带多媒体技术有限公司 | Optical assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837787A (en) * | 1986-06-04 | 1989-06-06 | Konishiroku Photo Industry Co., Ltd. | Semiconductor laser device with light emission inhibiting means |
| CN1537244A (en) * | 2001-03-26 | 2004-10-13 | 皇家菲利浦电子有限公司 | Transceiver device for cooperation with optical fiber |
| CN101266325A (en) * | 2007-03-15 | 2008-09-17 | 日立电线株式会社 | Optical system connection structure, optical component, and optical communication module |
| CN101750683A (en) * | 2008-12-18 | 2010-06-23 | 珠海保税区光联通讯技术有限公司 | Light power controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003204112A (en) * | 2002-01-09 | 2003-07-18 | Oki Electric Ind Co Ltd | Semiconductor laser module |
-
2011
- 2011-12-15 CN CN201110420296.9A patent/CN103163599B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837787A (en) * | 1986-06-04 | 1989-06-06 | Konishiroku Photo Industry Co., Ltd. | Semiconductor laser device with light emission inhibiting means |
| CN1537244A (en) * | 2001-03-26 | 2004-10-13 | 皇家菲利浦电子有限公司 | Transceiver device for cooperation with optical fiber |
| CN101266325A (en) * | 2007-03-15 | 2008-09-17 | 日立电线株式会社 | Optical system connection structure, optical component, and optical communication module |
| CN101750683A (en) * | 2008-12-18 | 2010-06-23 | 珠海保税区光联通讯技术有限公司 | Light power controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103163599A (en) | 2013-06-19 |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180410 Address after: 5, 699-10 Xuanwu Road, Xuanwu District, Nanjing, Jiangsu Patentee after: Nanjing extension Mansi Electric Technology Co Ltd Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Co-patentee before: Hon Hai Precision Industry Co., Ltd. Patentee before: Hongfujin Precise Industry (Shenzhen) Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180522 Address after: 518109, No. two, No. tenth, East Ring Road, Pinus tabulaeformis Industrial Zone, Longhua Town, Baoan District, Guangdong, Shenzhen, 2 Patentee after: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Address before: 210042 5 Xuanwu Road, Xuanwu District, Nanjing, Jiangsu, 699-10 Patentee before: Nanjing extension Mansi Electric Technology Co Ltd |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20191215 |