CN101419119A - Light source optical performance parameter test system under temperature changing environment - Google Patents
Light source optical performance parameter test system under temperature changing environment Download PDFInfo
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- CN101419119A CN101419119A CNA2008101623790A CN200810162379A CN101419119A CN 101419119 A CN101419119 A CN 101419119A CN A2008101623790 A CNA2008101623790 A CN A2008101623790A CN 200810162379 A CN200810162379 A CN 200810162379A CN 101419119 A CN101419119 A CN 101419119A
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Abstract
The invention discloses a system for testing optical performance parameters of a light source under the condition of temperature variation, which comprises a CPU processing module, an optical power meter, an optical polarization degree instrument, a display module, an EVOA attenuator, a beam splitter, a power module, a thermometer interface, an optical interface and a light source driving interface. The system for testing the optical performance parameters of the light source can effectively test the output power, the spectrum, the polarization degree and the temperature value under the condition of temperature variation (between 40 DEG C below zero and 80 DEG C), can obtain center wavelength and the half peak whole bandwidth, has the advantages of good real-time property, a plurality of functions, convenient use and so on, and can be widely applied to test of the optical performance of the light source at a wavelength of between 850 and 1,650 nanometers under the condition of temperature variation.
Description
Technical field
The present invention relates to the test macro of the optical performance parameter of light source under the temperature changing environment.Belong to the test of light source technical field.
Background technology
Development along with light source technology, light source has been widely used in the various high precision measurement instruments, because different instruments all have different separately requirements to spectrum width, power, operation wavelength and the degree of polarization of light source, therefore, each performance parameter that tests out light source is significant.The instrument of testing light source optical performance parameter is of a great variety at present, but great majority are professional testing tools of function singleness, often needing constantly to change testing apparatus could make comparisons to the performance of light source and technical indicator and comprehensively analyze, so not only can increase the workload of test, increase error rate, and different test parameters can not record simultaneously, and real-time is poor, is unfavorable for field adjustable.
Summary of the invention
The objective of the invention is problem at above existence, designed a kind ofly integrate functions as one, the system of the optical performance parameter of (40-80 ℃) testing light source in temperature changing environment.
The test macro of the optical performance parameter of light source under the temperature changing environment of the present invention, comprise CPU processing module, light power meter, spectrometer, polarization degree instrument, display module, EVOA attenuator, beam splitter and power module, thermometer boss, optical interface and light source driving interface, wherein
Light power meter, spectrometer, polarization degree instrument and thermometer boss link to each other with the CPU processing module respectively, with CPU processing modules implement signal transmitted in both directions;
Display module is used for showing in real time linking to each other the optical performance parameter of light source to be measured with the CPU processing module;
The EVOA attenuator, the light signal that is used to decay and receives, the input end of EVOA attenuator links to each other with optical interface, and output terminal links to each other with the input end of beam splitter;
Beam splitter sends light power meter, spectrometer and polarization degree instrument respectively to after the light signal trisection that is used for receiving;
Power module is used for to CPU processing module, display module, EVOA attenuator and the power supply of light source driving interface.
Light power meter, spectrometer and polarization degree instrument can adopt existing instrument.
Compared with prior art, the test macro of light source optical performance parameter under the temperature changing environment of the present invention, can be in temperature changing environment output power, spectrum, degree of polarization and the temperature value of (40-80 ℃) Validity Test light source, and can obtain centre wavelength and half-peak value full bandwidth, have advantages such as real-time is good, function is many, easy to use, can be widely used in the optical performance test of light source under temperature change condition of 850-1650nm.
Description of drawings
Fig. 1 is that the test macro of the optical performance parameter of light source under the temperature changing environment of the present invention constitutes synoptic diagram.
Embodiment
Further specify the present invention below in conjunction with accompanying drawing.
With reference to Fig. 1, the test macro of the optical performance parameter of light source under the temperature changing environment of the present invention, it is characterized in that, comprise CPU processing module 1, light power meter 2, spectrometer 3, polarization degree instrument 4, display module 5, EVOA attenuator 6, beam splitter 7 and power module 8, thermometer boss 9, optical interface 10 and light source driving interface 11, wherein
Light power meter 2, spectrometer 3, polarization degree instrument 4 and thermometer boss 9 link to each other with CPU processing module 1 respectively, realize the signal transmitted in both directions with CPU processing module 1;
Display module 5 is used for showing in real time linking to each other the optical performance parameter of light source to be measured with CPU processing module 1;
EVOA attenuator 6, the light signal that is used to decay and receives, the input end of EVOA attenuator 6 links to each other with optical interface 10, and output terminal links to each other with the input end of beam splitter 7;
Beam splitter 7 sends light power meter 2, spectrometer 3 and polarization degree instrument 4 respectively to after the light signal trisection that is used for receiving;
Power module 8 is used for to CPU processing module 1, display module 5, EVOA attenuator 6 and 11 power supplies of light source driving interface.
The method of the optical performance parameter of testing light source is as follows under temperature changing environment:
The external temperature meter is connected on the thermometer boss, the external temperature meter is fixed on the tube core place of light source to be measured, with standard DB9 serial port line light source to be measured is linked to each other with the light source driving interface, the output terminal of light source to be measured links to each other with optical interface by optical fiber, light source to be measured is put in the incubator together with one in thermometer, made the temperature of incubator be in variable condition.Give CPU processing module, display module, EVOA attenuator and the power supply of light source driving interface by power module.Whole test process is carried out under the control of CPU processing module.Light source to be measured sends light signal to the EVOA attenuator by optical interface, the EVOA attenuator sends beam splitter to after with the attenuated optical signal that receives, send light power meter, spectrometer and polarization degree instrument respectively to by optical fiber, the operation instruction signal that light power meter, spectrometer and polarization degree instrument receiving optical signals and waiting for CPU processing module are assigned by beam splitter after with the light signal trisection that receives; Work as light power meter, after spectrometer and polarization degree instrument receive the operational order of CPU processing module, then respectively the light signal that receives is converted to luminous power, spectral value, send the CPU processing module to behind the corresponding electric signal of polarization degree value, the external temperature meter sends the temperature value that collects to the CPU processing module according to the operation instruction signal that receives from the CPU processing module, the CPU processing module is the optical power value that receives, spectrum, degree of polarization and temperature value signal send display module to and show in real time, thereby obtain the optical performance parameter of light source under temperature changing environment.
Claims (1)
1. the test macro of the optical performance parameter of light source under the temperature changing environment, it is characterized in that, comprise CPU processing module (1), light power meter (2), spectrometer (3), polarization degree instrument (4), display module (5), EVOA attenuator (6), beam splitter (7) and power module (8), thermometer boss (9), optical interface (10) and light source driving interface (11), wherein
Light power meter (2), spectrometer (3), polarization degree instrument (4) and thermometer boss (9) link to each other with CPU processing module (1) respectively, realize the signal transmitted in both directions with CPU processing module (1);
Display module (5) is used for showing in real time linking to each other the optical performance parameter of light source to be measured with CPU processing module (1);
EVOA attenuator (6), the light signal that is used to decay and receives, the input end of EVOA attenuator (6) links to each other with optical interface (10), and output terminal links to each other with the input end of beam splitter (7);
Beam splitter (7) sends light power meter (2), spectrometer (3) and polarization degree instrument (4) respectively to after the light signal trisection that is used for receiving;
Power module (8) is used for to CPU processing module (1), display module (5), EVOA attenuator (6) and light source driving interface (11) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101623790A CN101419119A (en) | 2008-11-25 | 2008-11-25 | Light source optical performance parameter test system under temperature changing environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101623790A CN101419119A (en) | 2008-11-25 | 2008-11-25 | Light source optical performance parameter test system under temperature changing environment |
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| CN101419119A true CN101419119A (en) | 2009-04-29 |
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| CNA2008101623790A Pending CN101419119A (en) | 2008-11-25 | 2008-11-25 | Light source optical performance parameter test system under temperature changing environment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589687A (en) * | 2011-01-14 | 2012-07-18 | 张谦允 | Light distribution curve instrument |
| CN102636200A (en) * | 2012-03-02 | 2012-08-15 | 中国科学院半导体研究所 | High-sensitivity sensing system based on light intensity detection |
| CN102778613A (en) * | 2011-05-10 | 2012-11-14 | 北京浦丹光电技术有限公司 | Performance index test method of PIN-FET (p-intrinsic-n field effect transistor) light receiving assembly |
| CN102829960A (en) * | 2012-08-28 | 2012-12-19 | 桂林铭瑶电子科技有限公司 | Multifunctional modularized optical fiber tester |
-
2008
- 2008-11-25 CN CNA2008101623790A patent/CN101419119A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589687A (en) * | 2011-01-14 | 2012-07-18 | 张谦允 | Light distribution curve instrument |
| CN102778613A (en) * | 2011-05-10 | 2012-11-14 | 北京浦丹光电技术有限公司 | Performance index test method of PIN-FET (p-intrinsic-n field effect transistor) light receiving assembly |
| CN102778613B (en) * | 2011-05-10 | 2015-10-21 | 北京浦丹光电技术有限公司 | PIN-FET optical fiber receive module testing performance index method |
| CN102636200A (en) * | 2012-03-02 | 2012-08-15 | 中国科学院半导体研究所 | High-sensitivity sensing system based on light intensity detection |
| CN102829960A (en) * | 2012-08-28 | 2012-12-19 | 桂林铭瑶电子科技有限公司 | Multifunctional modularized optical fiber tester |
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Open date: 20090429 |