CN205427248U - Take emission of light subassembly, opto -receiver module and optical module of aimer - Google Patents
Take emission of light subassembly, opto -receiver module and optical module of aimer Download PDFInfo
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- CN205427248U CN205427248U CN201620129915.7U CN201620129915U CN205427248U CN 205427248 U CN205427248 U CN 205427248U CN 201620129915 U CN201620129915 U CN 201620129915U CN 205427248 U CN205427248 U CN 205427248U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 19
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- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model discloses a take emission of light subassembly, opto -receiver module and optical module of aimer, its characterized in that closes between the wave length division mode piece at the laser collimating lens subassembly and the wavelength devision multiplex of emission of light subassembly except being provided with laser component photoelectric detector subassembly, laser collimating lens subassembly / optic fibre collimating lens, wavelength devision multiplex close wave length division mode piece, focus coupling lens focus coupling lens subassembly and optic fibre to the wavelength devision multiplex who reaches opto -receiver module closes and still is provided with the aimer subassembly between wave length division mode piece and the focus coupling lens subassembly, through the aimer that increases different geomeries and refracting index parameter in each passageway light path of standing separately for each passageway light path can independently be adjusted, realizes light path coupling efficiency's maximize, this new thinking that just provides a structural technique designing for communication channel more and more among the fiber communication and more and more compacter light path integration. Have simple structure, implement characteristics such as easy to make high -speed communication module's commercial enable as early as possible.
Description
Technical field
This utility model relates to technical field of photo communication, transmits/receives integrated module particularly to the light emission component of a kind of band aimer and the light-receiving assembly of a kind of band aimer and light.
Background technology
At present, high speed optical communication module presents the features such as miniaturization, low-power consumption, hot plug, multichannel wavelength concurrent working.Along with the continuous dilatation of optic communication transferring content, transfer rate and shared passage constantly increase, in order to solve produced problem therewith, the most popular way is to utilize fiber waveguide principle or Thin Film Filter principle to make the wavelength-division multiplex conjunction wave separater module (be called for short below and close wave separater module) that multi-path light communication needs.When signalling channel number is more than 4 tunnels, and when wavelength interval is the narrowest, the LAN-WDM400G8 standard channel of the most up-to-date proposition, now utilizing wave guide principles to make conjunction wave separater module will make device size be greatly increased, and passage Insertion Loss will become much larger so that the power consumption of device and optical module is difficult to meet application requirement simultaneously.And another to be that 4 fashion are comparable based on conjunction wave separater module that Thin Film Filter principle makes at design port number easily make assembling, but once expand to 8 passages, angular deviation will be made and go out light spot position deviation accumulative effect and significantly manifest, and this difference interchannel rising angle deviation and go out light spot position deviation some passage can be caused cannot to obtain sufficiently large coupling efficiency, this will have a strong impact on final high-speed multiple channel and launch or the production yield of receiving unit.At present the most universal solution is to use 4 passages of two different-wavebands to close wave separater modules to make 4 channel emission or receiving unit respectively, they is coupled together with a 2x1 online WDM wave combination and division devices in periphery again and is combined into 8 passage device.But the problem of Optical Fiber Winding can be an another one difficult problem, and make in bulk, to become the biggest.
Summary of the invention
For overcoming disadvantage mentioned above, the utility model proposes a kind of employing in each separate channels light path, increase difformity size and the aimer of refractive index parameter, the light beam of each passage light beam when entering or wave separater module is closed in injection is reached and best the agreeing with of inside light path closing wave separater module, thus maximized minimizing is because of the decline of each closes wave separater module difference interchannel outgoing incident beam depth of parallelism difference and outgoing incidence point deviation personalization difference is brought single channel coupling efficiency.The finished product yield and the optical property that make assembly are greatly improved.
For reaching above goal of the invention, this utility model adopts the following technical scheme that
A kind of light emission component of band aimer, including laser array, laser collimator lens assembly, close wave separater module, focusing coupled lens and optical fiber, it is characterised in that: between laser collimator lens assembly and conjunction wave separater module, it is additionally provided with aimer assembly.In described laser array, it is provided with N number of laser instrument, in described laser collimator lens assembly, is provided with N number of laser collimator lens, described aimer assembly is provided with at least one most N number of aimer.After the laser beam of the N road different wave length launched by N number of laser instrument is collimated via N number of laser collimator lens respectively, it is emitted directly toward or injects described conjunction wave separater module N number of partial wave passage through aimer, light beam is pooled by closing ripple, after focusing on coupled lens focusing, it is coupled in optical fiber.When the energy being optically coupled in common optical fiber of a certain passage can not meet emitting module performance requirement, between the logical film filtering slice of laser collimator lens and band that described aimer will be placed to this passage, by selecting difformity size and the refractive index parameter of aimer, and adjust its incline direction placed and angle of inclination, change light beam and enter light-beam position and the incident angle closing wave separater module, thus improve the mould field i.e. coupling efficiency of quality of match at optical fiber receiving plane.
A kind of light-receiving assembly of band aimer, close wave separater module including optical fiber, fiber collimating lenses, wavelength-division multiplex, focus on coupled lens assembly and photodetector array, it is characterised in that: close at wavelength-division multiplex and be additionally provided with aimer assembly between wave separater module and focusing coupled lens assembly.In described photodetector array, it is provided with N number of photodetector, in described focusing coupled lens assembly, is provided with N number of focusing coupled lens, described aimer assembly is provided with at least one most N number of aimer.The optical signal of optical fiber input is injected wavelength-division multiplex via collimating lens and is closed the conjunction ripple passage of wave separater module, and penetrate at N number of partial wave passage, it is emitted directly toward correspondingly or in aimer injects N number of focusing coupled lens, it is coupled into N number of photodetector respectively by focusing on coupled lens, and changes the generation signal of telecommunication.When the energy being optically coupled in photodetector of a certain passage can not meet receiving unit performance requirement, described aimer will be placed to the conjunction wave separater module of this passage and focuses between coupled lens, by selecting difformity size and the refractive index parameter of aimer, and adjust its incline direction placed and angle of inclination, change light beam light-beam position after closing the injection of wave separater module and shooting angle, thus play a role together with focusing on the position adjustment of coupled lens, improve the light energy receiving efficiency on photodetector.
Based on above-mentioned light emission component and light-receiving assembly, this utility model also proposed a kind of optical module, i.e. light and transmits/receives integrated module, including light emission component and light-receiving assembly；Wherein, in described light emission component or described light-receiving assembly, it is provided with foregoing aimer.
Further, described N is more than or equal to 2.
Accompanying drawing explanation
Fig. 1 is the light emission component schematic diagram of a kind of band aimer of the present utility model；
Fig. 2 is the light-receiving component diagram of a kind of band aimer of the present utility model；
Detailed description of the invention
2 describe this utility model most preferred embodiment in detail below in conjunction with the accompanying drawings.Obviously, described embodiment is only a part of embodiment in this utility model rather than whole embodiments.Based on the embodiment in this utility model, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
First, introduce the light emission component of this utility model a kind of band aimer, including laser array 110 (the present embodiment illustrates as a example by N=4), laser collimator lens assembly 120, aimer assembly 130, close wave separater module 140, focusing coupled lens 150 and optical fiber 160；4 chip of laser 111～114 in laser array 110 send the light of 4 different wave lengths, after 4 laser collimator lens 121～124 comprised via laser collimator lens assembly 120 collimate, 4 the partial wave passages 141～144 closing wave separater module 140 are injected respectively via the aimer 131～134 (some passage can be without aimer) in respective passage, after closing ripple, the conjunction ripple passage from 140 penetrates, share via one and focus on coupled lens 150, be coupled in common optical fiber 160 and carry out signal transmission.
Next, introduce the light-receiving assembly of this utility model a kind of band aimer, include 4 partial wave passages 231～234, aimer assembly 240 including optical fiber 210, collimating lens 220, conjunction wave separater module (the present embodiment illustrates as a example by N=4) 230 of 1xN passage, focus on coupled lens assembly 250 and photodetector array 260.The optical signal (containing the optical signal of 4 wavelength) of optical fiber 210 input injects, after collimating via collimating lens 220, the conjunction ripple passage closing wave separater module, and arrive first at first partial wave passage 231, the light beam consistent for the transmission peak wavelength of optical signal medium wavelength and 231 transmits by 231, coupled lens 251 is focused on via aimer 241 directive, the light beam of its commplementary wave length then can reflect and be again introduced into closing wave separater module, and arrived on second partial wave passage 232 by the reflector space reflection on the left of in the of 230.Optical signal medium wavelength and 232 the consistent light beam of transmission peak wavelength transmit, coupled lens 252 is focused on via aimer 242 directive second, the light beam of its commplementary wave length reflexes to close on the reflector space on the left of wave separater module 230 again, and then arrives the 3rd partial wave passage by another reflection.By that analogy, the optical signal including 4 wavelength becomes the light beam of 4 road different wave lengths four partial wave channel separation, each focus on coupled lens 251～254 through aimer incident (some passage can be without aimer) to four, and then it is coupled into 4 photodetectors 261～264 via 4 focusing coupled lens focusing, to be converted into the 4 road signals of telecommunication, transmit the circuit board to rear class, the most just complete the reception of 4 road optical signals.
The light emission component proposed by the present embodiment is together with light-receiving assembly Integrated design, a light can be formed and transmit/receive integrated module, transmission for optical signal provides 4 tunnels (can be more) wavelength channel, meets the access network design requirement of 100Gbps and the communication of above high data rate.
This utility model, by using aimer in the optical path, provides, with the compactest light path is integrated, the new approaches that a kind of each channel light independently adjusts and then reaches to promote respective channel light coupling efficiency for communication port increasing in fiber optic communication.There is simple in construction, implement the features such as easy, so that the commercialization as early as possible of high-speed communication module is possibly realized.
Claims (4)
- null1. the light emission component of a band aimer，Including laser array、Laser collimator lens assembly、Wavelength-division multiplex closes wave separater module、Focus on coupled lens and optical fiber，It is characterized in that: close at laser collimator lens assembly and wavelength-division multiplex and be additionally provided with aimer assembly between wave separater module，N number of laser instrument it is provided with in described laser array，It is provided with N number of laser collimator lens in described laser collimator lens assembly，At least one most N number of aimer it is provided with in described aimer assembly，After the laser beam of the N road different wave length launched by N number of laser instrument is collimated via N number of laser collimator lens respectively，It is emitted directly toward or injects described wavelength-division multiplex through aimer and close wave separater module N number of partial wave passage，Light beam is pooled by closing ripple，After focusing on coupled lens focusing，It is coupled in optical fiber.
- null2. the light-receiving assembly of a band aimer，Including optical fiber、Fiber collimating lenses、Wavelength-division multiplex closes wave separater module、Focus on coupled lens assembly and photodetector array，It is characterized in that: close at wavelength-division multiplex and be additionally provided with aimer assembly between wave separater module and focusing coupled lens assembly，N number of photodetector it is provided with in described photodetector array，It is provided with N number of focusing coupled lens in described focusing coupled lens assembly，At least one most N number of aimer it is provided with in described aimer assembly，The optical signal of optical fiber input is injected wavelength-division multiplex via collimating lens and is closed the conjunction ripple passage of wave separater module，And penetrate at N number of partial wave passage，It is emitted directly toward correspondingly or in aimer injects N number of focusing coupled lens，N number of photodetector it is coupled into respectively by focusing on coupled lens，And change the generation signal of telecommunication.
- 3. an optical module, it is characterised in that: it is provided with the light emission component of band aimer as claimed in claim 1 or is provided with the light-receiving assembly of band aimer as claimed in claim 2.
- Optical module the most according to claim 3, it is characterised in that: described N is more than or equal to 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620129915.7U CN205427248U (en) | 2016-02-19 | 2016-02-19 | Take emission of light subassembly, opto -receiver module and optical module of aimer |
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| CN201620129915.7U CN205427248U (en) | 2016-02-19 | 2016-02-19 | Take emission of light subassembly, opto -receiver module and optical module of aimer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140164A1 (en) * | 2016-02-19 | 2017-08-24 | 深圳新飞通光电子技术有限公司 | Light emitting component having beam regulator, light receiving component having beam regulator, and optical module |
| CN107526134A (en) * | 2017-07-21 | 2017-12-29 | 成都聚芯光科通信设备有限责任公司 | Suitable for the multi-wavelength multiplex structure of technical field of optical fiber communication |
-
2016
- 2016-02-19 CN CN201620129915.7U patent/CN205427248U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140164A1 (en) * | 2016-02-19 | 2017-08-24 | 深圳新飞通光电子技术有限公司 | Light emitting component having beam regulator, light receiving component having beam regulator, and optical module |
| CN107102405A (en) * | 2016-02-19 | 2017-08-29 | 深圳新飞通光电子技术有限公司 | A kind of light emission component with aimer, light-receiving component and optical module |
| CN107526134A (en) * | 2017-07-21 | 2017-12-29 | 成都聚芯光科通信设备有限责任公司 | Suitable for the multi-wavelength multiplex structure of technical field of optical fiber communication |
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Effective date of registration: 20240313 Address after: Room 601 and 701, North Block, Yuanxing Technology Building, No.1 Songpingshan Road, High tech Industrial Park (North District), Nanshan District, Shenzhen, Guangdong Province, 518057 Patentee after: Longmet Communication Technology (Shenzhen) Co.,Ltd. Country or region after: China Address before: 518000, No. 8 Keji South 12th Road, Nanshan District, Shenzhen, Guangdong Province Patentee before: NEOPHOTONICS Corp. Country or region before: China |
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