CN202995100U - Laser optical fiber coupling component including flexible printed circuit board - Google Patents
Laser optical fiber coupling component including flexible printed circuit board Download PDFInfo
- Publication number
- CN202995100U CN202995100U CN 201220748593 CN201220748593U CN202995100U CN 202995100 U CN202995100 U CN 202995100U CN 201220748593 CN201220748593 CN 201220748593 CN 201220748593 U CN201220748593 U CN 201220748593U CN 202995100 U CN202995100 U CN 202995100U
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- Prior art keywords
- circuit board
- optical fiber
- laser
- cavity surface
- emitting laser
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000013307 optical fiber Substances 0.000 title abstract description 48
- 230000008878 coupling Effects 0.000 title abstract description 21
- 238000010168 coupling process Methods 0.000 title abstract description 21
- 238000005859 coupling reaction Methods 0.000 title abstract description 21
- 239000000835 fiber Substances 0.000 description 19
- 241000218202 Coptis Species 0.000 description 15
- 235000002991 Coptis groenlandica Nutrition 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- ZLGYJAIAVPVCNF-UHFFFAOYSA-N 1,2,4-trichloro-5-(3,5-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C(=CC(Cl)=C(Cl)C=2)Cl)=C1 ZLGYJAIAVPVCNF-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000005693 optoelectronics Effects 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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- 230000007306 turnover Effects 0.000 description 1
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Semiconductor Lasers (AREA)
Abstract
Provided is a laser optical fiber coupling component including a flexible printed circuit board. The laser optical fiber coupling component comprises a first circuit board, a second circuit board, a flexible circuit board, a vertical-cavity surface-emitting laser, a driver chip, an optical fiber fixing component and an optical fiber. The second circuit board and the first circuit board are vertically arranged. Two ends of the flexible circuit board are respectively electrically connected with the first circuit board and the second circuit board. The vertical-cavity surface-emitting laser is disposed on the second circuit board. The driver chip is electrically connected with the second circuit board. The driver chip is electrically connected with the vertical-cavity surface-emitting laser. The optical fiber fixing component is disposed opposite to a light outlet of the vertical-cavity surface-emitting laser. An end of the optical fiber is fixed on the optical fiber fixing component, and an end surface of the optical fiber is disposed opposite to the light outlet. After the laser emits from the light outlet, the laser enters the optical fiber directly. Therefore, a circuit distribution range of the laser optical fiber coupling component including the flexible printed circuit board is relatively small, high frequency signals are prevented to enter the circuit to cause noise interference.
Description
Technical field
The utility model relates to a kind of coupling assembly, particularly relates to a kind of laser fiber coupling assembly that contains flexible PCB.
Background technology
Along with the rapid growth of the mankind to communication bandwidth requirements, the existing communication systems face capacity and energy consumption two is challenged greatly at present.Owing to providing larger bandwidth under less space, lower energy consumption take, increasing about the research and development of parallel optical module.The parallel optical module is a plurality of optical fiber of a plurality of laser alignment in an independent module.Integrated due to device and miniaturization brings high bandwidth density and low-power consumption make the transmission bandwidth of parallel optical module and use power consumption greatly to be better than a plurality of discrete devices, thereby having improved the system transmissions performance.The agreement regulation of present various parallel high-speed optical modules, laser turnover direction must equally with circuit board be placed on surface level, and the light emission direction of vertical cavity surface emitting laser arrays is the 90 vertical bright dippings of degree, therefore, need to utilize different technological means to make vertical light be coupled into the optical fiber the inside of surface level.
The parallel optical module is higher to the desired precision of the aligning of sub-element, and patient rigging error is less, to guarantee high as far as possible coupling efficiency.Photovoltaic array parts and printed circuit board (PCB) are electrically connected to, and its distribution range is large, and length is longer, introduce bad noise for emission and the meeting of detection of high-frequency signal, make the signal variation, and device performance is deteriorated.
The utility model content
Based on this, be necessary to provide a kind of simple in structure, can avoid noise jamming to contain the laser fiber coupling assembly of flexible PCB.
A kind of laser fiber coupling assembly that contains flexible PCB comprises:
First circuit board;
Second circuit board arranges with described first circuit board is vertical;
Flexible PCB, two ends are electrically connected to described first circuit board and second circuit board respectively, and described first circuit board and described second circuit board are by described flexible PCB conducting;
Vertical cavity surface emitting laser is located on described second circuit board;
Drive chip, be located on described second circuit board, and be electrically connected to described second circuit board, described driving chip is electrically connected to described vertical cavity surface emitting laser, the described vertical cavity surface emitting laser Emission Lasers of described driving chip drives;
The optical fiber fixture is oppositely arranged with the light-emitting window of described vertical cavity surface emitting laser;
Optical fiber, one end are fixed on described optical fiber fixture, and the end face of described optical fiber and described light-emitting window are oppositely arranged.
Therein in an embodiment, also comprise the first gold thread and the second gold thread, the two ends of described the first gold thread are electrically connected to described driving chip and described second circuit board respectively, and the two ends of described the second gold thread are electrically connected to described vertical cavity surface emitting laser and described driving chip respectively.
In an embodiment, also comprise lenticule therein, described lenticule is located at the light-emitting window place of described vertical cavity surface emitting laser, and described lenticule, the light-emitting window of described vertical cavity surface emitting laser and the end face of described optical fiber are located along the same line.
In an embodiment, also comprise optical fiber interface therein, described optical fiber interface is located on described optical fiber.
In an embodiment, described optical fiber interface is MTP standard fiber interface or MPO standard fiber interface therein.
The above-mentioned laser fiber coupling assembly that contains flexible PCB is compared with traditional laser fiber coupling assembly, has the following advantages at least:
At first, vertical cavity surface emitting laser is located on second circuit board, arranges because first circuit board is vertical with second circuit board.Therefore in the time of with the first circuit board horizontal positioned, the laser that sends of the light-emitting window of vertical cavity surface emitting laser is parallel with first circuit board, i.e. horizontal outgoing.The end face of optical fiber is relative with the light-emitting window of vertical cavity surface emitting laser, and laser after light-emitting window penetrates, directly enters in optical fiber.Therefore, the circuit distribution range of the above-mentioned laser fiber coupling assembly that contains flexible PCB is less, avoids high-frequency signal to enter in circuit, causes noise jamming.
And laser no longer directly enters in optical fiber through the refraction transmission after lenticule focuses on, and avoids laser to disperse after transmission, guarantees that laser can import in optical fiber preferably.Therefore the above-mentioned laser fiber coupling assembly that contains flexible PCB has higher coupling efficiency.
Description of drawings
Fig. 1 is the structural representation of the laser fiber coupling assembly that contains flexible PCB of an embodiment.
Embodiment
For the ease of understanding the utility model, the below is described more fully the utility model with reference to relevant drawings.Provided better embodiment of the present utility model in accompanying drawing.But the utility model can be realized in many different forms, is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiments be make to disclosure of the present utility model understand more comprehensively thorough.
Need to prove, when element is called as " being fixed in " another element, can directly can there be element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have simultaneously centering elements.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement do not represent it is unique embodiment just for illustrative purposes.
Unless otherwise defined, all technology of using of this paper and scientific terminology are with to belong to the implication that those skilled in the art of the present utility model understand usually identical.The term that uses in instructions of the present utility model herein is not intended to be restriction the utility model just in order to describe the purpose of concrete embodiment.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
See also Fig. 1, the laser fiber coupling assembly 100 that contains flexible PCB of present embodiment comprises first circuit board 111, second circuit board 113, flexible PCB 120, vertical cavity surface emitting laser 130, drives chip 140, gold thread 150, optical fiber fixture 160, optical fiber 170, lenticule 180 and optical fiber interface 190.
The two ends of flexible PCB 120 are electrically connected to described first circuit board 111 and second circuit board 113 respectively.First circuit board 111 passes through flexible PCB 120 electric connections with second circuit board 113.
Vertical cavity surface emitting laser 130 is located on second circuit board 113.Vertical cavity surface emitting laser 130VCSEL(Vertical-Cavity Surface-Emitting Laser) be a kind of semiconductor laser, be used for the Emission Lasers bundle.The laser vertical of vertical cavity surface emitting laser 130 penetrates in end face.
Be appreciated that the first gold thread 151 and the second gold thread 153 can also be other conductive materials.For example, copper cash or aluminum steel etc.
One end of optical fiber 170 is fixed on the optical fiber fixture, and the end face of optical fiber 170 is relative with the light-emitting window of vertical cavity surface emitting laser 130.Laser directly enters in optical fiber 170 after light-emitting window penetrates, and avoids more complicated propagation.
Be appreciated that lenticule 180 can omit.Because laser directly enters optical fiber 170 after light-emitting window penetrates, can avoid to a certain extent laser to disperse after transmission.
In the above-mentioned laser fiber coupling assembly 100 that contains flexible PCB, vertical cavity surface emitting laser 130 is located on second circuit board 113, due to first circuit board 111 setting vertical with second circuit board 113.Therefore in the time of with first circuit board 111 horizontal positioned, the laser that sends of the light-emitting window of vertical cavity surface emitting laser 130 is parallel with first circuit board 111, i.e. horizontal outgoing.The end face of optical fiber 170 is relative with the light-emitting window of vertical cavity surface emitting laser 130, and laser after the light-emitting window outgoing, can enter in optical fiber 170.Therefore, the circuit distribution range of the above-mentioned laser fiber coupling assembly 100 that contains flexible PCB is less, avoids high-frequency signal to enter in circuit, causes noise jamming.
And laser no longer directly enters in optical fiber 170 through the refraction transmission after lenticule 180 focuses on, and avoids laser to disperse after transmission, guarantees that laser can import in optical fiber 170 preferably.Therefore the above-mentioned laser fiber coupling assembly 100 that contains flexible PCB has higher coupling efficiency.
The above embodiment has only been expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (5)
1. a laser fiber coupling assembly that contains flexible PCB, is characterized in that, comprising:
First circuit board;
Second circuit board arranges with described first circuit board is vertical;
Flexible PCB, two ends are electrically connected to described first circuit board and second circuit board respectively, and described first circuit board and described second circuit board are by described flexible PCB conducting;
Vertical cavity surface emitting laser is located on described second circuit board;
Drive chip, be located on described second circuit board, and be electrically connected to described second circuit board, described driving chip is electrically connected to described vertical cavity surface emitting laser, the described vertical cavity surface emitting laser Emission Lasers of described driving chip drives;
The optical fiber fixture is oppositely arranged with the light-emitting window of described vertical cavity surface emitting laser;
Optical fiber, one end are fixed on described optical fiber fixture, and the end face of described optical fiber and described light-emitting window are oppositely arranged.
2. the laser fiber coupling assembly that contains flexible PCB according to claim 1, it is characterized in that, also comprise the first gold thread and the second gold thread, the two ends of described the first gold thread are electrically connected to described driving chip and described second circuit board respectively, and the two ends of described the second gold thread are electrically connected to described vertical cavity surface emitting laser and described driving chip respectively.
3. the laser fiber coupling assembly that contains flexible PCB according to claim 1, it is characterized in that, also comprise lenticule, described lenticule is located at the light-emitting window place of described vertical cavity surface emitting laser, and described lenticule, the light-emitting window of described vertical cavity surface emitting laser and the end face of described optical fiber are located along the same line.
4. the laser fiber coupling assembly that contains flexible PCB according to claim 1, is characterized in that, also comprise optical fiber interface, described optical fiber interface is located on described optical fiber.
5. the laser fiber coupling assembly that contains flexible PCB according to claim 4, is characterized in that, described optical fiber interface is MTP standard fiber interface or MPO standard fiber interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748593 CN202995100U (en) | 2012-12-31 | 2012-12-31 | Laser optical fiber coupling component including flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748593 CN202995100U (en) | 2012-12-31 | 2012-12-31 | Laser optical fiber coupling component including flexible printed circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN202995100U true CN202995100U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748593 Expired - Fee Related CN202995100U (en) | 2012-12-31 | 2012-12-31 | Laser optical fiber coupling component including flexible printed circuit board |
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| CN (1) | CN202995100U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479148A (en) * | 2017-08-28 | 2017-12-15 | 华进半导体封装先导技术研发中心有限公司 | A kind of light module package structure and preparation method |
| CN107544118A (en) * | 2017-09-04 | 2018-01-05 | 中航海信光电技术有限公司 | Realize photoelectric conversion module of optical power monitoring and preparation method thereof |
| WO2020010640A1 (en) * | 2018-07-11 | 2020-01-16 | 深圳华羿科技有限公司 | Laser photoelectronic reflection detection sensor |
| CN113050235A (en) * | 2019-12-26 | 2021-06-29 | 讯芯电子科技（中山）有限公司 | Optical communication module |
-
2012
- 2012-12-31 CN CN 201220748593 patent/CN202995100U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479148A (en) * | 2017-08-28 | 2017-12-15 | 华进半导体封装先导技术研发中心有限公司 | A kind of light module package structure and preparation method |
| CN107544118A (en) * | 2017-09-04 | 2018-01-05 | 中航海信光电技术有限公司 | Realize photoelectric conversion module of optical power monitoring and preparation method thereof |
| WO2020010640A1 (en) * | 2018-07-11 | 2020-01-16 | 深圳华羿科技有限公司 | Laser photoelectronic reflection detection sensor |
| CN113050235A (en) * | 2019-12-26 | 2021-06-29 | 讯芯电子科技（中山）有限公司 | Optical communication module |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131231 |