CN205356347U - Multichannel parallel test system that is used for optical module - Google Patents
Multichannel parallel test system that is used for optical module Download PDFInfo
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- CN205356347U CN205356347U CN201620113760.8U CN201620113760U CN205356347U CN 205356347 U CN205356347 U CN 205356347U CN 201620113760 U CN201620113760 U CN 201620113760U CN 205356347 U CN205356347 U CN 205356347U
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Abstract
The utility model discloses an include multichannel parallel test system that is used for optical module, the optical module that awaits measuring aassessment board multiplexer, the multichannel that links to each other with the multiplexer interface optical module that awaits measuring, the light source is connected through the photoswitch and the optical module that awaits measuring to for each optical module that awaits measuring provides the light signal, be provided with optical attenuator between light source and the photoswitch, photoswitch and each await measuring and switch on through the select switch between the optical module, the error code appearance sends light source electricity signal driver light source and sends the light signal to receive the optical module receive the electronic signal that awaits measuring that the multiplexer sent. A plurality of optical modules that await measuring are tested on same temperature environment assesses the board with the optical module that awaits measuring, and the test result uniformity is good, greatly reduces the number of times that the case was followed to the switch temperature for the optical module temperature test speed that awaits measuring, and the disposable transmit and receive test who accomplishes many optical modules that respectively await measuring need not trade fine action midway, has improved efficiency of software testing greatly.
Description
Technical field
This utility model belongs to optic communication territory, is specifically related to a kind of multi-channel parallel for optical module and tests system.
Background technology
Along with the fast development of optical communication technique and Internet of Things, optical module, as the core component of network interconnection intercommunication, obtains large-scale application in increasing field.The performance parameter of the critical component-photoelectric chip used in optical module is influenced by temperature relatively big, in order to check whether the performance of optical module meets requirement under high and low temperature environment, generally optical module can be carried out high temperature performance test.In existing production and scientific research are tested, optical module is carried out the environmental unit that temperature test adopts and is usually nowadays a large amount of temperature used and follows case.When carrying out temperature test, following placement optical module in case in temperature, the photoelectric parameter testing of optical module carries out after temperature stabilization a period of time, after having tested, opens chamber door and updates next optical module, carries out photoelectric properties test after resuming waiting for temperature stabilization a period of time.When optical module negligible amounts to be tested, the method can also be suitable for.When optical module quantity is more, the method will be difficult to test assignment.When carrying out module temperature test, module carrying out the time less that performance test spends, the overwhelming majority time all spends in temperature and follows in the stable wait of case the temperature inside the box.If single carries out the performance test of many modules under the premise being not switched on chamber door, be then equivalent to greatly reduce the temperature waiting time of every module, it is possible to greatly speed up test speed, meet the requirement produced with scientific research.
Summary of the invention
The purpose of this utility model is aiming at the deficiency of above-mentioned technology, it is provided that a kind of multi-channel parallel for optical module that can be effectively improved testing efficiency tests system.
For achieving the above object, the multi-channel parallel test system for optical module designed by this utility model, including
Optical module evaluation board to be measured: the multichannel optical module to be measured include multiplexer, being connected with multiplexer interface；
Light source: be connected with optical module to be measured by photoswitch, and provide optical signal for each optical module to be measured, it is provided with optical attenuator between light source and photoswitch, is turned on by select switch between photoswitch and each optical module to be measured；
Error Detector: Error Detector sends the light source signal of telecommunication and drives light source to send optical signal, and receives the signal of telecommunication that multiplexer sends.
Further, being provided with optical branching device between described optical attenuator and described photoswitch, an outfan input oscillographic with light of described optical branching device is connected, and the outfan of described Error Detector another input oscillographic with described light is connected.
Further, the pseudo noise code signal of telecommunication that described Error Detector sends is divided into the signal of telecommunication of multichannel independence to each optical module to be measured by fan-out device.
Further, described photoswitch is 1:8 or 1:16 bidirectional reversible photoswitch.
Further, described optical branching device is 1:2 bidirectional reversible optical branching device.
Compared with prior art, this utility model has the advantage that multiple optical module to be measured is tested on same temperature environment and optical module evaluation board to be measured, test result concordance is good, greatly reduces switch temperature and follows the number of times of case, accelerates optical module temperature test speed to be measured；And the disposable transmitting completing how each optical module to be measured and reception test job, fine action need not be changed in midway, substantially increases testing efficiency.
Accompanying drawing explanation
Fig. 1 is this utility model structured flowchart for the multi-channel parallel test system of optical module.
Wherein: optical module evaluation board 11 to be measured, light source 1, optical attenuator 2, optical branching device 3, light oscillograph 4, Error Detector 5, photoswitch 6, select switch 7, multiplexer 8, optical module to be measured 9, fan-out device 10, optical module evaluation board 11 to be measured.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
If Fig. 1 is that the multi-channel parallel for optical module tests system, including optical module evaluation board 11 to be measured, light source 1, optical attenuator 2, light oscillograph 4, Error Detector 5, optical branching device 3, select switch 7 and photoswitch 6, wherein: optical module evaluation board 11 to be measured includes multiplexer 8 and optical module 9 to be measured with the multichannel that multiplexer 8 interface is connected.
Three outfans of Error Detector 5 are connected with light source 1, the input of light oscillograph 4 and the input of fan-out device 10 respectively, light source 1 passes sequentially through optical attenuator 2, optical branching device 4, photoswitch 6 are connected with optical module 9 to be measured, turned on by select switch 7 between photoswitch 6 and each optical module 9 to be measured, another outfan of optical branching device 3 is connected with another input of light oscillograph 4, the outfan of fan-out device 10 is connected with each optical module 9 to be measured respectively, and the outfan of multiplexer 8 is connected with the input of Error Detector 5.In the present embodiment, photoswitch 6 is 1:8 or 1:16 bidirectional reversible photoswitch 6, and optical module to be measured 9 quantity according to once needing test selects suitable photoswitch 6, when carrying out test system in combination, makes photoswitch 6 keep consistent with the way of multiplexer 8；Optical branching device 3 is 1:2 bidirectional reversible optical branching device 3.
Error Detector 5 sends the light source signal of telecommunication and drives light source 1 to send optical signal, the optical module to be measured 9 in light Katyuan 6 and required test is turned on by select switch 7, the path that the optical module to be measured 9 of required test is corresponding with multiplexer 8 turns on, other light path is off, optical signal passes through optical attenuator 2, optical branching device 3, photoswitch 6 flows to optical module 9 to be measured, the optical signal received is converted into the signal of telecommunication by optical module 9 to be measured, flow to Error Detector 5 by multiplexer 8 and carry out error checking, complete the error code testing of this passage, multiple TCH test channels share an Error Detector can complete the test of multiple optical module to be measured, make multiple optical module to be measured in same environmental condition once property complete test assignment, improve optical module tested productivity.Meanwhile, the pseudo noise code signal of telecommunication that Error Detector 5 sends is divided into the signal of telecommunication of multichannel independence to each optical module 9 to be measured by fan-out device 10, it is ensured that be input to the signal of telecommunication quality of each optical module to be measured 9.
Error Detector 5 in Fig. 1 sends to touch and signals to light oscillograph 4 again, and light oscillograph 4 is possible not only to test the electric eye figure of optical module 9 to be measured, it is also possible to test the transmitting luminous power of optical module 9 transmitting terminal to be measured.
Before testing, all light paths are unified calibration, make the attenuation of optical attenuator and actual light performance number be mapped, according to the attenuation of optical attenuator just can correspondence go out optical module to be measured receiving sensitivity value.
Claims (5)
1. the multi-channel parallel test system for optical module, it is characterised in that: include
Optical module evaluation board (11) to be measured: include multichannel optical module to be measured (9) that multiplexer (8) is connected with multiplexer (8) interface；
Light source (1): be connected with optical module to be measured (9) by photoswitch (6), and be that each optical module to be measured (9) provides optical signal, optical attenuator (2) it is provided with, by select switch (7) conducting between photoswitch (6) and each optical module to be measured (9) between light source (1) and photoswitch (6)；
Error Detector (5): Error Detector (5) sends the light source signal of telecommunication and drives light source (1) to send optical signal, and receives the signal of telecommunication that multiplexer (8) sends.
2. the multi-channel parallel for optical module according to claim 1 tests system, it is characterized in that: between described optical attenuator (2) and described photoswitch (6), be provided with optical branching device (3), one outfan of described optical branching device (3) is connected with an input of light oscillograph (4), and the outfan of described Error Detector (5) is connected with another input of described smooth oscillograph (4).
3. the multi-channel parallel for optical module according to claim 1 and 2 tests system, it is characterised in that: the pseudo noise code signal of telecommunication that described Error Detector (5) sends is divided into the signal of telecommunication of multichannel independence to each optical module to be measured (9) by fan-out device (10).
4. the multi-channel parallel for optical module according to claim 1 and 2 tests system, it is characterised in that: described photoswitch (6) is 1:8 or 1:16 bidirectional reversible photoswitch (6).
5. the multi-channel parallel for optical module according to claim 1 and 2 tests system, it is characterised in that: described optical branching device (3) is 1:2 bidirectional reversible optical branching device (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620113760.8U CN205356347U (en) | 2016-02-04 | 2016-02-04 | Multichannel parallel test system that is used for optical module |
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| CN201620113760.8U CN205356347U (en) | 2016-02-04 | 2016-02-04 | Multichannel parallel test system that is used for optical module |
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| CN107612615A (en) * | 2017-09-15 | 2018-01-19 | 中航海信光电技术有限公司 | Parallel optical module optical power calibration method and system |
| CN108055075A (en) * | 2017-12-13 | 2018-05-18 | 武汉电信器件有限公司 | A kind of optical module temperature follows test system and method |
| CN108418628A (en) * | 2017-02-10 | 2018-08-17 | 英特尔公司 | Programmable photon electronic integrated circuit for optic test |
| CN108833008A (en) * | 2018-09-29 | 2018-11-16 | 武汉亿德光兴科技有限公司 | A kind of optical module receiving end performance testing device |
| CN109150297A (en) * | 2017-06-28 | 2019-01-04 | 中兴通讯股份有限公司 | A kind of optical module sensitivity test method and system |
| CN109327256A (en) * | 2018-11-22 | 2019-02-12 | 成都网动光电子技术股份有限公司 | Optical module the high and low temperature test system based on photoswitch control |
| CN110224748A (en) * | 2019-05-07 | 2019-09-10 | 苏州联讯仪器有限公司 | High-speed parallel test method for BOSA optical device |
| CN110445538A (en) * | 2019-09-17 | 2019-11-12 | 成都芯瑞科技股份有限公司 | A kind of optical module multiple channel test system |
| CN111510210A (en) * | 2020-04-16 | 2020-08-07 | 中航海信光电技术有限公司 | Parallel optical receiving module optical power test system |
| CN112422182A (en) * | 2020-11-20 | 2021-02-26 | 平湖科谱激光科技有限公司 | Multifunctional debugging and testing device and method for WDM (wavelength division multiplexing) optical module |
| CN112887020A (en) * | 2021-02-24 | 2021-06-01 | 武汉光迅科技股份有限公司 | Annular flux testing equipment and method of optical module and storage medium |
| CN113037368A (en) * | 2021-03-01 | 2021-06-25 | 深圳市易飞扬通信技术有限公司 | Optical module testing system and method |
| CN113381808A (en) * | 2021-05-17 | 2021-09-10 | 武汉光迅科技股份有限公司 | Testing device and method for matrix optical switch |
| CN113465879A (en) * | 2021-08-13 | 2021-10-01 | 北京京东乾石科技有限公司 | Test system and three-dimensional camera test method implemented by using same |
| CN115333617A (en) * | 2022-07-21 | 2022-11-11 | 四川泰瑞创通讯技术股份有限公司 | Multichannel optical module evaluation board and optical module test system |
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2016
- 2016-02-04 CN CN201620113760.8U patent/CN205356347U/en not_active Expired - Fee Related
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| CN108418628A (en) * | 2017-02-10 | 2018-08-17 | 英特尔公司 | Programmable photon electronic integrated circuit for optic test |
| CN108418628B (en) * | 2017-02-10 | 2022-11-08 | 英特尔公司 | Programmable photonic electronic integrated circuit for optical testing |
| CN109150297A (en) * | 2017-06-28 | 2019-01-04 | 中兴通讯股份有限公司 | A kind of optical module sensitivity test method and system |
| CN109150297B (en) * | 2017-06-28 | 2023-03-07 | 中兴通讯股份有限公司 | Optical module sensitivity testing method and system |
| CN107612615A (en) * | 2017-09-15 | 2018-01-19 | 中航海信光电技术有限公司 | Parallel optical module optical power calibration method and system |
| CN107612615B (en) * | 2017-09-15 | 2019-11-08 | 中航海信光电技术有限公司 | Parallel optical module optical power calibration method and system |
| CN108055075B (en) * | 2017-12-13 | 2020-04-24 | 武汉电信器件有限公司 | Optical module temperature cycle test system and method |
| CN108055075A (en) * | 2017-12-13 | 2018-05-18 | 武汉电信器件有限公司 | A kind of optical module temperature follows test system and method |
| CN108833008A (en) * | 2018-09-29 | 2018-11-16 | 武汉亿德光兴科技有限公司 | A kind of optical module receiving end performance testing device |
| CN108833008B (en) * | 2018-09-29 | 2021-04-13 | 武汉亿德光兴科技有限公司 | Optical module receiving terminal performance testing device |
| CN109327256A (en) * | 2018-11-22 | 2019-02-12 | 成都网动光电子技术股份有限公司 | Optical module the high and low temperature test system based on photoswitch control |
| CN110224748A (en) * | 2019-05-07 | 2019-09-10 | 苏州联讯仪器有限公司 | High-speed parallel test method for BOSA optical device |
| CN110445538A (en) * | 2019-09-17 | 2019-11-12 | 成都芯瑞科技股份有限公司 | A kind of optical module multiple channel test system |
| CN111510210A (en) * | 2020-04-16 | 2020-08-07 | 中航海信光电技术有限公司 | Parallel optical receiving module optical power test system |
| CN112422182A (en) * | 2020-11-20 | 2021-02-26 | 平湖科谱激光科技有限公司 | Multifunctional debugging and testing device and method for WDM (wavelength division multiplexing) optical module |
| CN112422182B (en) * | 2020-11-20 | 2023-06-02 | 平湖科谱激光科技有限公司 | Multifunctional adjusting and measuring device and method for WDM (wavelength division multiplexing) optical module |
| CN112887020A (en) * | 2021-02-24 | 2021-06-01 | 武汉光迅科技股份有限公司 | Annular flux testing equipment and method of optical module and storage medium |
| CN113037368A (en) * | 2021-03-01 | 2021-06-25 | 深圳市易飞扬通信技术有限公司 | Optical module testing system and method |
| CN113037368B (en) * | 2021-03-01 | 2022-08-19 | 深圳市易飞扬通信技术有限公司 | Optical module testing system and method |
| CN113381808A (en) * | 2021-05-17 | 2021-09-10 | 武汉光迅科技股份有限公司 | Testing device and method for matrix optical switch |
| CN113381808B (en) * | 2021-05-17 | 2022-07-15 | 武汉光迅科技股份有限公司 | Testing device and method for matrix optical switch |
| CN113465879A (en) * | 2021-08-13 | 2021-10-01 | 北京京东乾石科技有限公司 | Test system and three-dimensional camera test method implemented by using same |
| CN115333617A (en) * | 2022-07-21 | 2022-11-11 | 四川泰瑞创通讯技术股份有限公司 | Multichannel optical module evaluation board and optical module test system |
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