CN205545272U - A light transmission path cost test system for optical module - Google Patents
A light transmission path cost test system for optical module Download PDFInfo
- Publication number
- CN205545272U CN205545272U CN201620257084.1U CN201620257084U CN205545272U CN 205545272 U CN205545272 U CN 205545272U CN 201620257084 U CN201620257084 U CN 201620257084U CN 205545272 U CN205545272 U CN 205545272U
- Authority
- CN
- China
- Prior art keywords
- optical
- module
- light
- test
- test system
- Prior art date
- 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
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model discloses a light transmission path cost test system for optical module, the test system includes the host computer, the optical module that awaits measuring, error code appearance, standard optical module, optical fiber scattering test module, light polarization test module, light reflex test module, light oscilloscope, optical power meter and programme -controlled photoswitch. The utility model provides a light transmission path cost test system, its host computer all is connected with each the controllable equipment in the test system, can realize the automation of test, and be provided with optical fiber scattering test module, light polarization test module and light reflex test module in the test system for the test system can be assessed all -sidedly and accurately and await measuring the optical module at the polarization that does not share the same light, different intensities of reflected light, and under the different optical fiber scattering combined action, the influence of the transmission path cost of setting a camera is and eye pattern that can the await measuring optical module transmitting terminal light signal of visual record under different polarization and intensity of reflected light.
Description
Technical field
This utility model relates to a kind of transmission line cost for optical module and tests system.
Background technology
Transmission line cost refers to that the receiver sensitivity that optical signal causes due to the distortion of optical signal during actual light channel transfer is remarkably decreased.The BER curve of its receiver system showing as optical transmission system is towards higher input power levels skew.Transmission line cost is scattered common effect and the impact of three aspect factor by the actual fiber in the polarization state in optical transport, the reflection in optical transport and optical transport.Transmission line cost is an important indicator of optical module, this directly affects and judges that the performance of optical module transmitting terminal in actual applications is good and bad, but current existing transmission line cost test system only accounts for the impact on distorted signals of the actual fiber scattering in optical transport, and have ignored change and the luminous reflectance impact on optical signal distortion of light polarization state in actual light transmitting procedure, it is impossible to comprehensive and accurate assessment optical module transmission line cost index in actual use.
Utility model content
In view of this, the purpose of this utility model be to provide a kind of the most comprehensively, the transmission line cost for optical module that controls of full automation can test system.
nullThis utility model is achieved through the following technical solutions: a kind of transmission line cost for optical module tests system，Described test system includes main frame、Optical module to be measured、Error Detector、Standard optical module applicable，Fibre scattering test module、And light polarization state test module，Described optical module to be measured connects the first optical branching device，A wherein road output of this first optical branching device is connected with described light polarization state test module，Another road output of the first optical branching device is connected with described fibre scattering test module，It is connected between described first optical branching device and main frame and has the first light power meter，Described fibre scattering test module is connected with described standard optical module applicable and main frame by the 3rd program control photoswitch，It is connected between described main frame with described 3rd program control photoswitch and has the second light power meter，Described Error Detector、Fibre scattering test module、Light polarization state test module、And the 3rd program control photoswitch be all connected with described main frame，Described optical module to be measured is connected with Error Detector by the first match circuit，Described standard optical module applicable is connected with Error Detector by the second match circuit.
Further, described test system also includes the luminous reflectance test module being connected with described light polarization state test module, and this luminous reflectance test module is also connected with described main frame.
Further, described test system also includes light oscillograph, the second optical branching device, the input of described second optical branching device is connected with described first optical branching device, a wherein road output of the outfan of the second optical branching device is connected with described fibre scattering test module, and another road output of the outfan of the second optical branching device is connected with described smooth oscillograph；Described smooth oscillograph is all connected with described main frame, Error Detector.
Further, it is connected between described first optical branching device with described second optical branching device and has optoisolator.
Preferably, described luminous reflectance test module includes interconnective first program control optical attenuator, total reflection optical patchcord, and described first program control optical attenuator is all connected with described light polarization state test module and main frame.
Preferably, described fibre scattering test module includes the program control photoswitch of first be sequentially connected with, has the optic module of N bar different length optical fiber, the second program control photoswitch and the second program control optical attenuator, and described first program control photoswitch, the second program control photoswitch and the second program control optical attenuator are all connected with described main frame；Described N is the integer more than or equal to 2；Described light polarization state test module is Polarization Controller.
It is preferred that the connection between described first match circuit and Error Detector, the connection between described second match circuit and Error Detector and the connection between described smooth oscillograph and Error Detector are all connected by coaxial line.
It is preferred that described Error Detector is described Error Detector is that speed is adjustable and can produce the error analyzer of arbitrarily required pattern, or be fixed rate, the error analyzer fixing pattern；Described smooth oscillograph is the light oscillograph with speed optional optical tests module, or the light oscillograph of the optical tests module for fixing desired rate.The transmission line cost test system that this utility model provides, its main frame is all connected with each controllable device in test system, can realize the automatization of test；And test and system is provided with fibre scattering test module, light polarization state test module, and luminous reflectance test module, make test system can assess optical module to be measured all-sidedly and accurately at different light polarization state, different intensities of reflected light, different fibre scatterings act on down jointly, impact on transmission line cost, and the eye pattern of energy visual record optical module transmitting terminal optical signal to be measured under different polarization state and intensity of reflected light, for how improving the foundation that the transmission line cost of optical module to be measured provides more detailed, the numerical value of comprehensive and accurate automatic recording light transmission channel cost.
Accompanying drawing explanation
Fig. 1 is the composition schematic block diagram of the test system of transmission line cost described in this utility model embodiment.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
nullAs shown in Figure 1，A kind of transmission line cost for optical module tests system，Described test system includes main frame、Optical module to be measured、Error Detector、Standard optical module applicable，Fibre scattering test module、And light polarization state test module，Described optical module to be measured connects the first optical branching device，A wherein road output of this first optical branching device is connected with described light polarization state test module，Another road output of the first optical branching device is connected with described fibre scattering test module，It is connected between described first optical branching device and main frame and has the first light power meter，Described fibre scattering test module is connected with described standard optical module applicable and main frame by the 3rd program control photoswitch，It is connected between described main frame with described 3rd program control photoswitch and has the second light power meter，Described Error Detector、Fibre scattering test module、Light polarization state test module、And the 3rd program control photoswitch be all connected with described main frame，Described optical module to be measured is connected with Error Detector by the first match circuit，Described standard optical module applicable is connected with Error Detector by the second match circuit.In fig. 1, described first match circuit and the second match circuit are all not drawn into.Connection between described first match circuit and Error Detector, connection between the connection between described second match circuit and Error Detector and described smooth oscillograph and Error Detector are the most preferably connected by coaxial line；Certainly, choose other signal transmssion lines also dependent on needs during actual application to be attached.
As preferred embodiment, described test system also includes the luminous reflectance test module being connected with described light polarization state test module, and this luminous reflectance test module is also connected with described main frame.In the present embodiment, described luminous reflectance test module includes interconnective first program control optical attenuator, total reflection optical patchcord, and described first program control optical attenuator is all connected with described light polarization state test module and main frame.
As preferred embodiment, described test system also includes light oscillograph, the second optical branching device, the input of described second optical branching device is connected with described first optical branching device, a wherein road output of the outfan of the second optical branching device is connected with described fibre scattering test module, and another road output of the outfan of the second optical branching device is connected with described smooth oscillograph；Described smooth oscillograph is all connected with described main frame, Error Detector.Utilize described smooth oscillograph, can monitor under the influence of different polarization states and different intensity of reflected light, the eye pattern launching optical signal of optical module to be measured；And automatically arranged and record the oscillographic each parameter of this light and test result by main frame by data wire.
As preferred embodiment, it is connected between described first optical branching device with described second optical branching device and has optoisolator, produce impact to avoid the luminous reflectance occurred on optic path passage to treat light-metering module.
As preferred embodiment, described fibre scattering test module includes the program control photoswitch of first be sequentially connected with, has the optic module of N bar different length optical fiber, the second program control photoswitch and the second program control optical attenuator, and described first program control photoswitch, the second program control photoswitch and the second program control optical attenuator are all connected with described main frame；Described N is the integer more than or equal to 2.In the present embodiment, described light polarization state test module is Polarization Controller.
As preferred embodiment, the connection between described first match circuit and Error Detector, connection between the connection between described second match circuit and Error Detector and described smooth oscillograph and Error Detector are all connected by coaxial line；Described Error Detector be described Error Detector be that speed is adjustable and can produce the error analyzer (speed and pattern need to choose) of arbitrarily required pattern according to optical module to be measured, or be fixed rate, the error analyzer fixing pattern；Described smooth oscillograph is the light oscillograph (speed needs to choose according to optical module to be measured) with speed optional optical tests module, or the light oscillograph of the optical tests module for fixing desired rate.Specific in the present embodiment, described Error Detector be with 10Gbit/s speed, the error analyzer that pattern is PRBS31 code can be produced；Described smooth oscillograph is the light oscillograph with 10G optical tests module.
The transmission line cost test system that the present embodiment provides, its main frame is all connected by data wire with Error Detector, the first light power meter, the second light power meter, Polarization Controller, the first program control optical attenuator, the second program control optical attenuator, the 3rd program control optical attenuator, the first program control photoswitch, the second program control photoswitch and the 3rd program control photoswitch, the most described main frame is all connected with the controllable device in test system, arranges in order to realize automatization；Connection between described first match circuit and Error Detector, connection between the connection between described second match circuit and Error Detector and described smooth oscillograph and Error Detector are the most preferably connected by coaxial line；In addition to the connection by data wire and coaxial line above stated, the connection between remaining two functional module or device, instrument is all connected by optical fiber, as shown in Figure 1；The length of each optical fiber (hereinafter, by the optical fiber of the connection referred to optical patchcord between two functional modules or device, instrument) is preferably less than two meters, to reduce the impact of fibre scattering.Certainly, other signal transmssion lines can be chosen according to specific needs when reality is applied to be attached.
Each functional module in the following the present embodiment of detailed description below or device, the major function of instrument or effect:
Main frame, for realizing the Automated condtrol of test system: control automatization's setting of connected each functional module or instrument, record is correlated with and is arranged data, collects and analyzes test result.
Error Detector, for analyzing signal of communication after optical module to be measured sends, after a series of transmission lines, the signal received by standard optical module applicable is carried out bit error rate detection, compare optical transmission pathway in different polarization state states comprehensively, different reflective light intensities, the different length fibre scattering impact on distorted signals, and automatically arranged and record each parameter and the bit error rate result of Error Detector by data wire by main frame.
Optical module to be measured, is connected with Error Detector by the first match circuit and coaxial line, and converts electrical signals to output after optical signal.
First optical branching device, carries out light-splitting processing for treating the output light of light-metering module, one road light is inputted optical polarization controller, another road light input optoisolator, is connected by optical fiber between them.
Polarization Controller, carries out polarization beat length for treating a wherein road of light-metering module through the light that optical branching device separates, and is automatically arranged and recorded each parameter of Polarization Controller by main frame by data wire.
First programmable attenuator, is adjusted for treating the intensity of the light that the wherein road of light-metering module separates through beam splitter, and is automatically arranged and recorded each parameter of this attenuator by main frame by data wire.
Total reflection optical patchcord, returns optical module to be measured for a wherein road of optical module to be measured have passed through the luminous reflectance of Polarization Controller and the first program control optical attenuator, to reach to simulate the various reflection light on actual light transmission channel.
First light power meter, enters into the intensity reflecting light in optical module to be measured, and is automatically arranged and recorded each parameter of this light power meter by main frame by data wire for record.
Optoisolator, the optical signal that another road optical module to be measured separated for connecting the first optical branching device sends, and avoid the luminous reflectance occurred on this road optical signal optic path passage later to treat the impact of light-metering module.
Second optical branching device, for treating the wherein road light light-splitting processing again that light-metering module separates so that a part of light of optical module to be measured enters light oscillograph, and another part enters the optic module with different length optical fiber by the first program control photoswitch.
Light oscillograph, for monitoring under the influence of different polarization states and different intensity of reflected light, shows the eye pattern launching optical signal of optical module to be measured；And automatically arranged and record the oscillographic each parameter of this light and test result by main frame by data wire.
First program control photoswitch, for the light of a part of optical module to be measured can switch optic module by having a plurality of different length optical fiber respectively, and is arranged by main frame by data wire and is recorded each parameter of this program control photoswitch automatically.
Optic module, the different length fibre scattering can assessed for the system of testing treats optical signal impact of distorted signals degree on transmission channel that light-metering module is launched, depending on the concrete length of its optical fiber and quantity all can be according to the scopes of actual optical module needs assessment to be measured.
Second program control photoswitch, for docking synchronism switching with the first program control photoswitch, to reach to make the light of a part of optical module to be measured after the optic module of different length, enters the second program control optical attenuator.And automatically arranged and record each parameter of this program control photoswitch by data wire by main frame.
Second program control optical attenuator, the intensity of the wherein road light after different length fiber-optic transfer for treating light-metering module is adjusted, and is automatically arranged and recorded each parameter of this attenuator by data wire by main frame.
3rd program control photoswitch, for a wherein road of optical module to be measured be have passed through different length fiber-optic transfer, and the light after program control optical attenuator regulates can make it into standard optical module applicable or the second light power meter by switching-over light path respectively, and automatically arranged and record each parameter of this program control photoswitch by data wire by main frame.
Second light power meter, for being switched by the light path of the 3rd program control photoswitch, record enters into the light intensity in standard optical module applicable, and is automatically arranged and recorded each parameter of this light power meter by data wire by main frame.
Standard optical module applicable, for the optical signal that optical module to be measured sends is converted to the signal of telecommunication, it is connected with Error Detector by match circuit and coaxial line, the polarization state in assessment difference transmission light path, intensity of reflected light, the impact of the optical signal distortion level that light-metering module sends is treated in fibre scattering.
Operation principle or the work process of described test system are described briefly below: Error Detector sends the signal of telecommunication and enters optical module to be measured through the first match circuit and coaxial line, optical module to be measured, after carrying out photoelectric signal transformation, send optical signal.The optical signal that optical module to be measured sends initially enters the first optical branching device, it is divided into two-way light and respectively enters optoisolator and Polarization Controller, optical signal enters the light of the various polarization state of rear generation of Polarization Controller and enters back into after the first program control optical attenuator and total reflection optical patchcord backtracking the first optical branching device again, after respectively enterd optical module to be measured and the first light power meter by the first optical branching device, by first light power meter monitoring enter optical module to be measured reflective light intensity.nullAnother road enters optical signals second optical branching device of optoisolator and is again classified as two-way，Wherein light oscillograph is accessed on a road，Light oscillograph is for monitoring and shows at different polarization states，Transmitting signal eye diagram parameter under the influence of different reflective light intensities，After an other road enters the first program control photoswitch，Controlled to switch into described optic module by the first program control photoswitch，Second program control photoswitch and the first corresponding switching of program control photoswitch，The optical signal after different length optical fiber is made to enter back into the second program control optical attenuator，There is the optic module of a plurality of different length optical fiber for introducing the different fibre scattering impact on transmission line cost，The optical signal entering the second program control optical attenuator is again introduced into the 3rd program control photoswitch after overdamping，Controlled switching optical path by the 3rd program control photoswitch enter the second light power meter or enter standard optical module applicable，Knowable to the optical channel of the 3rd program control photoswitch switches, the light signal strength of the second light power meter monitoring is the optical signal light intensity entering standard optical module applicable，Standard optical module applicable is after the second match circuit and photoelectric signal transformation，By coaxial line, the signal of telecommunication is inputted Error Detector，Error Detector compares in the change of unbiased polarization state，Areflexia light，(its length is less than 2 meters to short circuit optical patchcord,Do not consider the impact of fibre scattering) under bit error rate light polarization state different from other，Different intensities of reflected light，When the bit error rate under the influence of different long-distance optical fibers (50 meters～more than 100 kilometers) scatterings is identical，The change of sensitivity amount that standard optical module applicable receives can assess the transmission line cost occurrence of optical module to be measured.In system's test system, the equipment of all changeable parameters is controlled by data wire by main frame and record numerical value, the automatization tested with realization.
nullEncapsulate with 10Gbit/s speed SFP+ below、The optical module to be measured that standard transmission distance is 40KM is specific embodiment，Build test system as shown in Figure 1，Wherein Error Detector is chosen with 10Gbit/s speed、Can produce pattern is PRBS31 code (PRBS，Pseudo-random binary sequence) error analyzer，Band 10G optical tests module chosen by light oscillograph，The optical fiber 1 that first program control photoswitch and the second program control photoswitch are connected selects the optical patchcord of length within 2m，Optical fiber 2 selects the standard single-mode fiber (described optical fiber 1 refers to optic module inner fiber in accompanying drawing 1 with optical fiber 2) of a length of 40KM，First light power meter and the second light power meter select to make a start the identical 1550nm wavelength of optical signal with test optical module to be measured，First Error Detector is arranged on as requested duty，First program control optical attenuator is placed in off state，I.e. areflexia light returns optical module to be measured，First program control photoswitch and the second program control photoswitch are switched to short circuit optical fiber 1(length simultaneously less than 2m，Ignore the impact of fibre scattering)，3rd program control photoswitch switches to standard optical module applicable passage，Second program control optical attenuator is progressively reduced by off state and decays to be just less than 10 so that the bit error rate of now Error Detector-12The photo-signal channel of the program control photoswitch of rear switching is to the second light power meter, now the reading of the second light power meter be now standard optical module applicable optical module to be measured send optical signal not by transmission line under the influence of sensitivity number 1, light oscillograph eye pattern now is that optical module to be measured sends optical signal not by the eye pattern under the influence of polarization state and reflection light.Then the setting of the first program control optical attenuator is changed, the intensity of reflected light that first light power meter is monitored is-the 12dB of optical module emitted luminescence intensity to be measured, control the scanning of Polarization Controller total state simultaneously, optical fiber 2 passage is selected between first program control photoswitch and the second program control photoswitch, 3rd program control photoswitch switches to standard optical module applicable passage, controls the second program control optical attenuator and is progressively reduced by off state and decay to be just less than 10 so that the bit error rate of now Error Detector-12The photo-signal channel of the program control photoswitch of rear switching is to the second light power meter, now the reading of the second light power meter is now standard optical module applicable and sends optical signal by different polarization states at optical module to be measured,-12dB luminous reflectance intensity, sensitivity number 2 under 40KM fibre scattering joint effect, the sensitivity number 1 of standard optical module applicable is this module transmission line cost value at this moment with the difference of sensitivity number 2.
The transmission line cost test system that the present embodiment provides, owing to its main frame is all connected with each controllable device in test system, can realize the automatization of test；And test and system is provided with fibre scattering test module, light polarization state test module, and luminous reflectance test module, make test system can assess optical module to be measured all-sidedly and accurately at different light polarization state, different intensities of reflected light, different fibre scatterings act on down jointly, impact on transmission line cost, and the eye pattern of energy visual record optical module transmitting terminal optical signal to be measured under different polarization state and intensity of reflected light, for how improving the foundation that the transmission line cost of optical module to be measured provides more detailed, the numerical value of comprehensive and accurate automatic recording light transmission channel cost.
Above-described embodiment is preferably implementation of the present utility model, is not to restriction of the present utility model, and on the premise of without departing from inventive concept of the present utility model, any obvious replacement is all within protection domain of the present utility model.
Claims (10)
- null1. the transmission line cost test system for optical module，It is characterized in that: described test system includes main frame、Optical module to be measured、Error Detector、Standard optical module applicable，Fibre scattering test module、And light polarization state test module，Described optical module to be measured connects the first optical branching device，A wherein road output of this first optical branching device is connected with described light polarization state test module，Another road output of the first optical branching device is connected with described fibre scattering test module，It is connected between described first optical branching device and main frame and has the first light power meter，Described fibre scattering test module is connected with described standard optical module applicable and main frame by the 3rd program control photoswitch，It is connected between described main frame with described 3rd program control photoswitch and has the second light power meter，Described Error Detector、Fibre scattering test module、Light polarization state test module、And the 3rd program control photoswitch be all connected with described main frame，Described optical module to be measured is connected with Error Detector by the first match circuit，Described standard optical module applicable is connected with Error Detector by the second match circuit.
- Transmission line cost the most according to claim 1 test system, it is characterised in that: described test system also includes the luminous reflectance test module being connected with described light polarization state test module, and this luminous reflectance test module is also connected with described main frame.
- Transmission line cost the most according to claim 2 test system, it is characterized in that: described test system also includes light oscillograph, the second optical branching device, the input of described second optical branching device is connected with described first optical branching device, a wherein road output of the outfan of the second optical branching device is connected with described fibre scattering test module, and another road output of the outfan of the second optical branching device is connected with described smooth oscillograph；Described smooth oscillograph is all connected with described main frame, Error Detector.
- Transmission line cost the most according to claim 3 test system, it is characterised in that: it is connected between described first optical branching device with described second optical branching device and has optoisolator.
- Transmission line cost the most according to claim 4 test system, it is characterized in that: described luminous reflectance test module includes interconnective first program control optical attenuator, total reflection optical patchcord, described first program control optical attenuator is all connected with described light polarization state test module and main frame.
- Transmission line cost the most according to claim 5 test system, it is characterized in that: described fibre scattering test module includes the program control photoswitch of first be sequentially connected with, has the optic module of N bar different length optical fiber, the second program control photoswitch and the second program control optical attenuator, and described first program control photoswitch, the second program control photoswitch and the second program control optical attenuator are all connected with described main frame；Described N is the integer more than or equal to 2.
- Transmission line cost the most according to claim 6 test system, it is characterised in that: described light polarization state test module is Polarization Controller.
- Transmission line cost the most according to claim 7 test system, it is characterised in that: the connection between described first match circuit and Error Detector, connection between the connection between described second match circuit and Error Detector and described smooth oscillograph and Error Detector are all connected by coaxial line.
- Transmission line cost the most according to claim 8 test system, it is characterised in that: described Error Detector is that speed is adjustable and can produce the error analyzer of arbitrarily required pattern, or be fixed rate, the error analyzer fixing pattern.
- Transmission line cost the most according to claim 8 test system, it is characterised in that: described smooth oscillograph is the light oscillograph with speed optional optical tests module, or the light oscillograph of the optical tests module for fixing desired rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257084.1U CN205545272U (en) | 2016-03-30 | 2016-03-30 | A light transmission path cost test system for optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257084.1U CN205545272U (en) | 2016-03-30 | 2016-03-30 | A light transmission path cost test system for optical module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545272U true CN205545272U (en) | 2016-08-31 |
Family
ID=56785869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257084.1U Expired - Fee Related CN205545272U (en) | 2016-03-30 | 2016-03-30 | A light transmission path cost test system for optical module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205545272U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109245820A (en) * | 2018-10-25 | 2019-01-18 | 深圳市亚派光电器件有限公司 | Multichannel optical module error rate test system and method |
| CN109274422A (en) * | 2018-11-29 | 2019-01-25 | 四川光恒通信技术有限公司 | A kind of optical module test macro and method |
| 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 |
| CN112803994A (en) * | 2021-02-03 | 2021-05-14 | 中航海信光电技术有限公司 | Optical echo tolerance testing device for optical module |
| CN117579139A (en) * | 2024-01-15 | 2024-02-20 | 成都电科星拓科技有限公司 | Optical component anti-reflection test device, method, system and storage medium |
-
2016
- 2016-03-30 CN CN201620257084.1U patent/CN205545272U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109245820A (en) * | 2018-10-25 | 2019-01-18 | 深圳市亚派光电器件有限公司 | Multichannel optical module error rate test system and method |
| CN109245820B (en) * | 2018-10-25 | 2024-04-19 | 深圳市亚派光电器件有限公司 | System and method for testing error rate of multichannel optical module |
| CN109274422A (en) * | 2018-11-29 | 2019-01-25 | 四川光恒通信技术有限公司 | A kind of optical module test macro and method |
| CN109274422B (en) * | 2018-11-29 | 2023-05-26 | 四川光恒通信技术有限公司 | Optical module testing system and method |
| 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 |
| CN112803994A (en) * | 2021-02-03 | 2021-05-14 | 中航海信光电技术有限公司 | Optical echo tolerance testing device for optical module |
| CN112803994B (en) * | 2021-02-03 | 2022-04-19 | 中航海信光电技术有限公司 | Optical echo tolerance testing device for optical module |
| CN117579139A (en) * | 2024-01-15 | 2024-02-20 | 成都电科星拓科技有限公司 | Optical component anti-reflection test device, method, system and storage medium |
| CN117579139B (en) * | 2024-01-15 | 2024-04-26 | 成都电科星拓科技有限公司 | Optical component anti-reflection test device, method, system and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205545272U (en) | A light transmission path cost test system for optical module | |
| CN205356347U (en) | Multichannel parallel test system that is used for optical module | |
| CN105049113B (en) | A kind of active light module multichannel automatization test system and method | |
| CN103297126B (en) | The PON line fault monitoring method of optically-based labelling method and device thereof | |
| CN105530046B (en) | Realize the method and system that luminous power and branch off attenuation failure are tested automatically | |
| CN104935379B (en) | Optical fiber online monitoring system | |
| CN104655591B (en) | A kind of optical cable generaI investigation device and method of detection beating position | |
| CN101984561A (en) | System and method for detecting optical fiber faults of passive optical network | |
| CN210490882U (en) | Four-channel receiving-transmitting integrated parallel automatic adjusting test system | |
| CN105444990A (en) | Dynamic correction apparatus and method for testing optical insertion loss and optical return loss | |
| CN104125012A (en) | Method and system for testing high-speed optical module | |
| CN103475407B (en) | Based on the debug system of the optical module down channel of EML | |
| CN108168843A (en) | A kind of device and method for quickly measuring fiber link attenuation characteristic under different transmission wavelengths | |
| CN107809280A (en) | A kind of fiber-optic monitoring method and device | |
| CN105262536B (en) | The test device and method of testing of photoelectric conversion module relative intensity noise | |
| CN109039445B (en) | Multi-channel optical modem debugging and testing system and debugging and testing method thereof | |
| CN208797950U (en) | A kind of optical fiber link power loss test device | |
| CN204465539U (en) | A kind of multichannel fibre core testing apparatus | |
| CN104485990A (en) | Multi-path fiber core test device and method | |
| CN110071759B (en) | Optical cable fault positioning device and method based on polarized white light interference | |
| CN208971519U (en) | Multichannel optical module error rate test system | |
| CN109245820A (en) | Multichannel optical module error rate test system and method | |
| CN202475426U (en) | An on-line optical-signal-monitoring device | |
| CN207021994U (en) | A kind of 10G semiconductor lasers passage cost test system | |
| CN203164477U (en) | Optical network unit three-way optical component with optical time domain signal reflection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20160831 Termination date: 20210330 |