CN208353343U - Four road integrated laser receiver Performance Test Systems - Google Patents
Four road integrated laser receiver Performance Test Systems Download PDFInfo
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- CN208353343U CN208353343U CN201820966873.1U CN201820966873U CN208353343U CN 208353343 U CN208353343 U CN 208353343U CN 201820966873 U CN201820966873 U CN 201820966873U CN 208353343 U CN208353343 U CN 208353343U
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Abstract
The utility model relates to optical module Performance Test System fields, it is proposed a kind of four road integrated laser receiver Performance Test Systems, four-way signal generator is connect through high-frequency line with light source driving board, optical transceiver module is provided in light source driving board, optical transceiver module is successively integrated source table, light MUX wave multiplexer with light power meter and is connect using optical patchcord with light DE-MUX channel-splitting filter, No. four optical attenuators, the end COM of light MUX wave multiplexer is connect with the testing laser receiver on test board, and the output end of testing laser receiver connects four-way Error Detector by high-frequency line；Single channel D.C. regulated power supply is the power supply of testing laser receiver.The utility model structure is simple, good compatibility, flexibly and easily, the multinomial performance parameter that a key tests four road integrated laser receivers may be implemented.
Description
Technical field
The utility model relates to optical module Performance Test System field, especially a kind of optic communication is connect with four road integrated lasers
Receive the Performance Test System of device.
Background technique
With the fast development of optical communications industry, the integrated module of optical transceiver becomes the indispensable core of data center
Part, integrated module of optical transceiver technology constantly move to maturity, and to intelligence, high speed high density interconnection develops.It is light transmit-receive integrated
Module has the advantages of supporting hot plug, portable and shape more minimizes.100G optical module and parallel optical fibre channel will be at
For the bright spot in New Generation Optical receiver-transmitter integrated module, the usage amount of the integrated module of optical transceiver also can be increasing, and economic benefit is non-
Chang Keguan.
One of core devices as the integrated module of optical transceiver, the performance of laser pickoff directly affect the property of optical module
Energy.Using the BOX footprint design of mainstream in the industry, it has small in size, is packaged into for laser pickoff that we design at present
The advantages that this is low, manufacturing process relative ease.This is the packing forms that laser pickoff is more common in the industry, it would be desirable in shell
One array PD chip of interior placement, a trans-impedance amplifier TIA, four capacitors are bonded using the spun gold of 1.0mil.
Array lens, filter plate, prism, collimator are realized into the coupling of whole optical path by the way of frame using high-accuracy manually adjust.It adopts
Make C-LENS together with tube body coupling welding with automatic laser welding procedure, realizes laser pickoff finally by the double-deck adagio
With the welding of optical module circuit board.
For the required distance for meeting optical fiber link, different type and parameter are usually required in different optical communication applications
Laser pickoff.In order to obtain the configuration of application request, sensitivity to laser pickoff, response current, dark electricity are needed
The parameters such as stream, operating temperature, overload luminous power, amplifier operation electric current are tested and are optimized.Therefore it can carry out complete, quasi-
Really, the testing performance index of efficient laser pickoff will directly determine the quality and cost of product.Since test item is multiple
Miscellaneous, various using equipment, if the method for taking lane testing performance one by one manually, it is many to will lead to test equipment access point,
Frequent switching channel causes system building extremely complex, it is also possible to test item omission occurs or same project repeats to survey
The case where examination, production efficiency is low, and test consistency is poor.It is biggish flexible to it requires that the test macro of laser pickoff has
Property, it can be realized intelligence, one-touch test.Therefore how fast and accurately to realize the test to laser pickoff performance at
For an emerging project.
Summary of the invention
The purpose of the utility model is to provide a kind of structure is simple, good compatibility, flexibly and easily, performance are accurate and reliable, high
Efficiency, intelligentized Performance Test System.
To achieve the above object, the technical solution adopted in the utility model are as follows: propose a kind of four road integrated lasers reception
Device Performance Test System, including four-way signal generator, four-way Error Detector, light source driving board, No. four optical attenuators and light
Power meter integrates source table, single channel D.C. regulated power supply, light MUX wave multiplexer, light DE-MUX channel-splitting filter, ammeter and test board, institute
The port TX for stating four-way signal generator is connect through high-frequency line with the port TX of the light source driving board, the light source driving board
On be provided with optical transceiver module, the port TX of the optical transceiver module is connect with the COM port of the smooth DE-MUX channel-splitting filter, light
The output end of DE-MUX channel-splitting filter successively uses optical patchcord to connect No. four optical attenuators and the integrated source table of light power meter and light MUX
The COM port of wave multiplexer, the smooth MUX wave multiplexer is connect with the testing laser receiver on the test board, described to be measured sharp
The output end of optical receiver connects four-way Error Detector by high-frequency line；The single channel D.C. regulated power supply is testing laser reception
The power supply of device.
Preferably, the optical transceiver module is connected at the standard socket of the light source driving board by golden finger.
Preferably, the testing laser receiver is connected at the correspondence golden finger on the test board by pad.
Preferably, be connected with four-way ammeter on the test board, the four-way ammeter be used to measure it is described to
Survey the photoelectric current of laser pickoff.
The utility model has the beneficial effects that: the utility model structure is simple, good compatibility, flexibly and easily, performance are quasi-
It is really reliable, testing efficiency can be effectively improved.Most of performance ginseng of laser pickoff can be measured simultaneously using the utility model
It counts and can optimize simultaneously, single channel test not only may be implemented but also four-way may be implemented while testing, and can incite somebody to action
Test detailed data saves the trackability that product is realized to specified path.The design of this test macro not only simplifies light
Fine access point, and the consistency with product test result is improved work efficiency, while this system has scalability, it can
Meet the increasingly increased test item of client and tightened up test request, is entirely surveyed suitable for multichannel integrated laser receiver
Application in examination field.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model.
In figure, 1- signal generator and Error Detector, 2- light source driving board, 3- light DE-MUX channel-splitting filter, 4 No. four optical attenuators
Source table, 5- light MUX wave multiplexer, 6- test board, 7- single channel D.C. regulated power supply, 8- ammeter, 9- light receipts are integrated with light power meter
Send out module, 10- optical patchcord, 11- high-frequency line.
Specific embodiment
The utility model is illustrated below in conjunction with attached drawing:
Fig. 1 is the structural schematic diagram of the Performance Test System of four road integrated laser receiver of the utility model.A kind of four tunnels
Integrated laser receiver Performance Test System, including signal generator and Error Detector 1, light source driving board 2, light DE-MUX channel-splitting filter
3, No. four optical attenuators and light power meter integrate source table 4, light MUX wave multiplexer 5, test board 6, single channel D.C. regulated power supply 7 and electricity
Flow table 8.The port TX of signal generator is correspondingly connected with through high-frequency line 11 and the port TX of light source driving board 2, the signal generator
It can produce the nonreturn to zero code of 25.78Gb/S to 32Gb/S.Optical transceiver module 9, optical transceiver module are provided in light source driving board 2
9 are connect by golden finger with the standard socket of light source driving board 2, optical transceiver module 9 and light DE-MUX channel-splitting filter 3, four road light decays
Subtract device and light power meter and integrate source table 4 and light MUX wave multiplexer 5 and successively connect using optical patchcord 10, light MUX wave multiplexer 5 it is defeated
Outlet COM port is connect with testing laser receiver (label is ROSA in Fig. 1).Testing laser receiver and test board
6 are connected by the pad of the double-deck adagio with the corresponding golden finger of test board 6, and testing laser receiver converts optical signals to telecommunications
Number, which is connect by the high-frequency line 11 connecting with test board 6 with Error Detector 1.Single channel D.C. regulated power supply 7 passes through test
Plate 6 is to trans-impedance amplifier power supply inside optical receiver to be measured.Ammeter 8 detects the light of testing laser receiver by test board 6
Current value.
The utility model test job process are as follows:
1) pattern of rate needed for being issued by signal generator, arrives light source driving board for electric signal transmission by high-frequency line
Interface end emits optical signal by the circuit drives laser of light source driving board；
2) initial value of source table is integrated by software check No. four optical attenuator and light power meter；
3) optical signal for generating laser integrates source by light DE-MUX channel-splitting filter, No. four optical attenuators and light power meter
Table, the pad value of optical attenuator is automatically adjusted by software, and the photocurrent values of the every channel feedback of observation ammeter make the unit time
Interior error code quantity is best；
4) four road dark current of computer testing software automatic test, trans-impedance amplifier electric current, four-way photoelectric current, four are utilized
Channel overload optical power；
5) error code values under computer testing software test difference input light intensity are utilized.Under normal conditions, the testing time
Error code sum≤1, the as sensitivity of the average light power in the laser pickoff channel in every channel in 30 seconds.
6) the average light power sensitivity data in every channel is uploaded to meter by USB serial communication by OMA Calculation of Sensitivity
Calculation machine is converted by formula software and is saved in database.
It, cannot the above content is specific optimal technical scheme further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (4)
1. four road integrated laser receiver Performance Test Systems, it is characterised in that: missed including four-way signal generator, four-way
Code instrument, light source driving board, the integrated source table of No. four optical attenuators and light power meter, single channel D.C. regulated power supply, light MUX wave multiplexer,
Light DE-MUX channel-splitting filter, ammeter and test board, the port TX of the four-way signal generator is through high-frequency line and the light source
The port TX of driving plate connects, and is provided with optical transceiver module in the light source driving board, the port TX of the optical transceiver module with
The COM port of the smooth DE-MUX channel-splitting filter connects, and the output end of light DE-MUX channel-splitting filter successively uses optical patchcord to connect four
Road optical attenuator and light power meter integrate source table and light MUX wave multiplexer, the COM port of the smooth MUX wave multiplexer and the test
Testing laser receiver connection on plate, the output end of the testing laser receiver connect four-way error code by high-frequency line
Instrument；The single channel D.C. regulated power supply is the power supply of testing laser receiver.
2. integrated laser receiver Performance Test System in four roads according to claim 1, it is characterised in that: the light transmitting-receiving
Module is connected at the standard socket of the light source driving board by golden finger.
3. integrated laser receiver Performance Test System in four roads according to claim 1, it is characterised in that: described to be measured sharp
Optical receiver is connected at the correspondence golden finger on the test board by pad.
4. integrated laser receiver Performance Test System in four roads according to claim 1, it is characterised in that: the test board
On be connected with four-way ammeter, the four-way ammeter is used to measure the photoelectric current of the testing laser receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820966873.1U CN208353343U (en) | 2018-06-22 | 2018-06-22 | Four road integrated laser receiver Performance Test Systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820966873.1U CN208353343U (en) | 2018-06-22 | 2018-06-22 | Four road integrated laser receiver Performance Test Systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208353343U true CN208353343U (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820966873.1U Active CN208353343U (en) | 2018-06-22 | 2018-06-22 | Four road integrated laser receiver Performance Test Systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880980A (en) * | 2021-01-20 | 2021-06-01 | 江苏亮点光电科技有限公司 | Multi-channel MOPA laser stability testing device and testing method |
-
2018
- 2018-06-22 CN CN201820966873.1U patent/CN208353343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880980A (en) * | 2021-01-20 | 2021-06-01 | 江苏亮点光电科技有限公司 | Multi-channel MOPA laser stability testing device and testing method |
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