CN205657695U - Optical module calbiration system - Google Patents
Optical module calbiration system Download PDFInfo
- Publication number
- CN205657695U CN205657695U CN201620459149.0U CN201620459149U CN205657695U CN 205657695 U CN205657695 U CN 205657695U CN 201620459149 U CN201620459149 U CN 201620459149U CN 205657695 U CN205657695 U CN 205657695U
- Authority
- CN
- China
- Prior art keywords
- optical
- optical module
- module
- test board
- calibrated
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model relates to an optical communication field, the calibration of concretely relates to optical module for the optical communication. An optical module calbiration system is proposed, including signal generator, optical attenuator, double - circuit D. C. Regulated power supply, optical power meter, optical divider and survey test panel, the optical module of treating the calibration is surveyed test panel and is passed through optical attenuator 1 optical attenuator 2 by the power supply of double - circuit D. C. Regulated power supply, signal generator and optical attenuator on arranging in and surveying test panel, and optical attenuator's output connects 50: 50 optical divider's input, two outputs of optical divider wait to calibrate the transmitting terminal of optical module and another path connection of optical power meter respectively with optical power meter's a passageway and wait the receiving terminal of calibrating the optical module and be connected, the transmitting terminal of surveying test panel passes through the high frequency line with the receiving terminal and links to each other, but surveys test panel and be connected with host computer adoption communication formula. The utility model discloses an optical module calbiration system simple structure, it is compatible good, nimble convenient, not only can realize calibrating the merchant autonomous operation of system of also being convenient for in manufacture factory's module.
Description
Technical field
This utility model relates to optical communication field, is specifically related to the calibration of optic communication optical module.
Background technology
The whole world is done step-by-step all optical communication, and therefore the requirement to the core component optical module in optical communication system is more and more higher, and the network monitoring of optical module to realize real-time, accurate.This is accomplished by having one to report value accurately for optical module, including launching luminous power, received optical power, and various warnings and alarm setting etc., thus realize the whole circuit monitoring to optic communication.The reporting value to need optical module to carry out of optical module is launched luminous power and is accepted luminous power and the parameter such as temperature, electric current is calibrated so that report value identical with actual value.By the reading and monitoring that report value can strictly be grasped by multipair actual value.
In order to avoid making system report problem to produce due to calibration inaccuracy and then situation about cannot normally work occurs, a set of compatibility is strong and effective calibration system is necessary.Generally, modular calibration completes in manufacturer, the system that the calibration of existing optical module uses is: the transmitting terminal of Error Detector is connected with transmitting terminal and the receiving terminal of test board respectively with receiving terminal, optical module to be calibrated is driven to send optical signal by the signal of telecommunication of Error Detector transmitting terminal, and then by the test system built, optical module is calibrated, this calibration system applies existing equipment to realize at system business, the signal generator that system business uses is usually light mouth, the high-frequency line that cannot realize between test board is connected, and existing calibration system can only be calibrated for the product of special speed, do not possess compatibility and actual effect, at system business, build calibration system extremely complex and loaded down with trivial details.Once calibrating inaccuracy, it is necessary to module is returned to manufacturer by system business, producer to be produced issues system business checking again after recalibrating, need a lot of time in circular flow.
The most quickly, accurately, realize at system business scene the calibration of optical module is become an emerging problem, be also system business and the key project of optical module manufacturer.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, compatible good, it is simple to the low cost calibration system that manufacturer and system business directly operate.
The technical scheme that this utility model is used by solving prior art problem is: a kind of optical module calibration system, including signal generator, optical attenuator, Double-way dc voltage-stabilizing source, light power meter, optical branching device and test board, optical module to be calibrated is placed on test board, test board is powered by Double-way dc voltage-stabilizing source, signal generator is connected by single-mode fiber jumper with optical attenuator, the outfan of optical attenuator connects the input of 50:50 optical branching device, two outfans of optical branching device receiving terminal with light power meter passage and optical module to be calibrated respectively is connected, the transmitting terminal of optical module to be calibrated is connected with another passage of light power meter；The transmitting terminal of test board is connected by high-frequency line with receiving terminal, and test board uses can be connected by communication-type with host computer.
Described optical module to be calibrated is plugged in the connection socket of test board by golden finger.
Described host computer can be connected by communication-type with test board by the way of USB turns IIC.
Described test board is provided 3.3V and 5V power supply by Double-way dc voltage-stabilizing source.
Optical module of the present utility model calibration system structure is simple, compatible good, flexibly and easily, it is possible not only to the modular calibration realized in manufacturer and also allows for system business's autonomous operation, the system of system business provides the optical signal of and optical module phase same rate to be calibrated, test board is carried out self-loop links, uses module receiving terminal to be calibrated to receive this optical signal, the receiving terminal of optical module can be calibrated；The light received is converted to the signal of telecommunication by module to be calibrated, by high-frequency line by signal of telecommunication injection module transmitting terminal, transmitting terminal output optical signal, uses light power meter to complete the calibration to optical module transmitting terminal after measuring the optical signal of output, can save substantial amounts of time and manpower and materials cost.This calibration system calibration precision is high, speed is fast, low cost, applied range, it is adaptable to have the calibration operation of the various model modules of digital diagnosis function；Calibration data can be preserved to the path specified by host computer, it is achieved the trackability of product.Simultaneously, the compatible various speed of design of this calibration system and the modular calibration of pattern, calibration speed is fast, and precision is high, system has extensibility, and the test equipment adding other can also carry out the test of the performances such as other performances of module such as eye pattern, wavelength, spectrum, sensitivity.
Accompanying drawing explanation
Fig. 1 is that optical module of the present utility model calibrates system architecture diagram.
In figure: 1-signal generator, 2-optical attenuator, 3-optical branching device, 4-light power meter, 5-optical module to be calibrated, 6-high-frequency line, 7-test board, 8-Double-way dc voltage-stabilizing source, 9-host computer.
Note: in figure, T represents transmitting terminal, R represents receiving terminal.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is illustrated:
Optical module calibration system as shown in Figure 1, including signal generator 1, optical attenuator 2, optical branching device 3, light power meter 4, optical module to be calibrated 5, high-frequency line 6, module testing plate 7, Double-way dc voltage-stabilizing source 8 and host computer 9.Optical module 5 to be calibrated is placed on test board 7, and optical module 5 to be calibrated is plugged in the connection socket of test board 7 by golden finger.Double-way dc voltage-stabilizing source 8 provides 3.3V and 5V power supply to test board 7, signal generator 1 is connected by single-mode fiber jumper with optical attenuator 2, the outfan of optical attenuation 2 connects the input of the optical branching device 3 of 50:50, two outfans of optical branching device 3 receiving terminal with light power meter 4 passage and optical module to be calibrated 5 respectively is connected, and the transmitting terminal of optical module 5 to be calibrated is connected with another passage of light power meter 4；The transmitting terminal of test board 7 is connected by high-frequency line with receiving terminal.Host computer 9 can be connected by communication-type with test board 7 by the way of USB turns IIC.
Signal generator 1 sends the optical signal after modulation and enters optical attenuator 2 through single mode wire jumper, the optical signal after optical attenuator 2 the is decayed optical branching device 3 by 50:50, one road optical signal of optical branching device 3 output enters the receiving terminal R of optical module 5 to be calibrated, an other road optical signal enters a passage of light power meter 4, monitor current received optical power, the light that the transmitting terminal T of optical module 5 to be calibrated sends enters another passage of light power meter 4, tests the transmitting luminous power of optical module 5 to be calibrated.Optical module to be calibrated is plugged in the connection socket of test board by golden finger.Module 5 to be calibrated is placed on test board 7, and the receiving terminal R and transmitting terminal T of test board 7 is connected by high-frequency line 6, is formed from ring.
Use the optical module calibration steps of above-mentioned calibration system, comprise the following steps:
1) optical module to be calibrated is placed on test board, is connected by high-frequency line between transmitting terminal and the receiving terminal of test board, and Double-way dc voltage-stabilizing source provides 3.3V and 5.0V power supply for beta version；
2) signal generator sends the optical signal after being modulated, optical signal enters optical attenuator through single-mode fiber jumper, optical signal needed for regulation optical attenuator output, optical signal enters the input of 50:50 optical branching device, one road optical signal of optical branching device output enters a passage of light rate meter, monitors the received optical power of optical module to be calibrated；Another road optical signal enters the receiving terminal of optical module to be calibrated, optical module to be calibrated is converted into the signal of telecommunication after receiving this optical signal in optical module circuit, by high-frequency line, the signal of telecommunication is added on the circuit of optical module emitter to be calibrated, laser instrument is driven to send optical signal, another passage of the optical signal input optical power meter that the transmitting terminal of optical module to be calibrated sends, tests the transmitting luminous power of optical module to be calibrated；
3) host computer by the way of USB turns IIC with test board communication；Utilize the calibration software being installed in host computer that the reception light of optical module to be calibrated and transmitting light are calibrated；Being preserved to optical module to be calibrated by calibration factor after calibration, test result preserves the path specified to host computer.
Above content is to combine concrete optimal technical scheme further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. an optical module calibration system, including signal generator, optical attenuator, Double-way dc voltage-stabilizing source, light power meter, optical branching device and test board, optical module to be calibrated is placed on test board, test board is powered by Double-way dc voltage-stabilizing source, it is characterized in that: signal generator is connected by single-mode fiber jumper with optical attenuator, the outfan of optical attenuator connects the input of 50:50 optical branching device, two outfans of optical branching device receiving terminal with light power meter passage and optical module to be calibrated respectively is connected, the transmitting terminal of optical module to be calibrated is connected with another passage of light power meter；The transmitting terminal of test board is connected by high-frequency line with receiving terminal, and test board uses can be connected by communication-type with host computer.
Optical module the most according to claim 1 calibration system, it is characterised in that: described optical module to be calibrated is plugged in the connection socket of test board by golden finger.
Optical module the most according to claim 1 calibration system, it is characterised in that: described host computer can be connected by communication-type with test board by the way of USB turns IIC.
Optical module the most according to claim 1 calibration system, it is characterised in that: described test board is provided 3.3V and 5V power supply by Double-way dc voltage-stabilizing source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459149.0U CN205657695U (en) | 2016-05-19 | 2016-05-19 | Optical module calbiration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459149.0U CN205657695U (en) | 2016-05-19 | 2016-05-19 | Optical module calbiration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205657695U true CN205657695U (en) | 2016-10-19 |
Family
ID=57403868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620459149.0U Withdrawn - After Issue CN205657695U (en) | 2016-05-19 | 2016-05-19 | Optical module calbiration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205657695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105812052A (en) * | 2016-05-19 | 2016-07-27 | 大连藏龙光电子科技有限公司 | Calibration system and method for optical module |
| CN108259084A (en) * | 2017-12-26 | 2018-07-06 | 武汉电信器件有限公司 | A kind of assessment harden structure of high-speed light receiver test and its test system |
| CN111103055A (en) * | 2019-11-27 | 2020-05-05 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Optical power automatic calibration system and method |
-
2016
- 2016-05-19 CN CN201620459149.0U patent/CN205657695U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105812052A (en) * | 2016-05-19 | 2016-07-27 | 大连藏龙光电子科技有限公司 | Calibration system and method for optical module |
| CN105812052B (en) * | 2016-05-19 | 2018-08-21 | 大连藏龙光电子科技有限公司 | A kind of optical module calibration system and method |
| CN108259084A (en) * | 2017-12-26 | 2018-07-06 | 武汉电信器件有限公司 | A kind of assessment harden structure of high-speed light receiver test and its test system |
| CN108259084B (en) * | 2017-12-26 | 2020-06-30 | 武汉电信器件有限公司 | Evaluation board structure for high-speed optical receiver test and test system thereof |
| CN111103055A (en) * | 2019-11-27 | 2020-05-05 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Optical power automatic calibration system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8692984B2 (en) | Field tester for topologies utilizing array connectors and multi-wavelength field tester for topologies utilizing array connectors | |
| CN102857298B (en) | The circuit of monitor power parameter and method in optical module | |
| CN205657695U (en) | Optical module calbiration system | |
| WO2018171389A1 (en) | Automatic testing device and method for optical transceiver chips | |
| US9628191B2 (en) | Methods, optical transmitter, optical module, and optical communication system for improving the monitoring and/or reporting accuracy of a laser transmitting power | |
| CN102299739B (en) | SFP module test method and test terminal | |
| CN102158277A (en) | Automatic optical module send-receive integrated test system | |
| CN103475407B (en) | Based on the debug system of the optical module down channel of EML | |
| US20160349145A1 (en) | Mpo switch, fiber test device, system and kit | |
| CN110492928B (en) | BOB calibration test system and control method | |
| CN105444990A (en) | Dynamic correction apparatus and method for testing optical insertion loss and optical return loss | |
| CN103023562A (en) | System and method for testing single-fiber bidirectional optical modules | |
| CN105137201B (en) | A kind of optical fiber insulator insertion loss detector | |
| CN108390717A (en) | The automated calibration system and method that line declines when being tested for optic communication product sending and receiving end | |
| CN102200671A (en) | Extinction ratio debugging device and method of optical module | |
| CN102384840B (en) | System for testing jumper wire with MPO connector | |
| CN105812052B (en) | A kind of optical module calibration system and method | |
| CN203116945U (en) | Novel device for measuring optical waveguide splitting ratio | |
| CN104363044B (en) | A kind of calibration of optical line protection equipment and test system | |
| CN102135468A (en) | Optical insertion and return loss tester | |
| CN103746736A (en) | Integrated test system for 14 channel optical fiber data transmission TR equipment | |
| CN110097793A (en) | A kind of test optical fiber real training instrument | |
| CN202721677U (en) | Multi-channel test device applied to optical transceiver module | |
| CN106411398A (en) | Optical module detector | |
| CN103384166A (en) | Fiber port line sequence tester of fiber access network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161019 Effective date of abandoning: 20180821 |
|
| AV01 | Patent right actively abandoned |