CN201016844Y - Light-sensitive detector spectral response test experimental facility - Google Patents
Light-sensitive detector spectral response test experimental facility Download PDFInfo
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- CN201016844Y CN201016844Y CNU2007200838546U CN200720083854U CN201016844Y CN 201016844 Y CN201016844 Y CN 201016844Y CN U2007200838546 U CNU2007200838546 U CN U2007200838546U CN 200720083854 U CN200720083854 U CN 200720083854U CN 201016844 Y CN201016844 Y CN 201016844Y
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- photodetector
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Abstract
The utility model provides a photoelectric detector spectrum response test experimental device, including a photoelectric detector component and an optical power detector component to be tested. The output of the photoelectric detector to be tested is connected with a precise ammeter through a BNC wire. The output of the optical power detector component is connected with an optical power meter through a BNC wire. A bromine lamp, a computer and a grating spectrometer are prepared by oneself. The computer is connected with the grating spectrum through an USB connecting wire during the experiment. A light output interface of the brightness-adjustable bromine is connected with a light input interface of the grating spectrometer. The photoelectric detector is connected with the grating spectrometer through a transfer socket. The precise ammeter is used to detect a current value of the photoelectric detector under the different-wavelength illuminations. Then, optical power values under the same conditions are detected through the optical power. And a ratio of a current to an optical power under a wavelength is calculated. At last, a response-length curve under different wavelengths is drawn up, which is a spectrum response curve of the photoelectric detector.
Description
Technical field
The utility model relates to a kind of photodetector spectral response experimental apparatus for testing, is used for the experiment that the photodetector spectral response curve is measured.
Background technology
Spectral responsivity is one of fundamental performance parameter of photodetector, and it has characterized the response of photodetector to the different wave length incident radiation.Usually, the light of grating spectrograph outgoing is very faint and be narrow directional light, if do not adopt relevant light path to handle, general photodetector to be measured can't detect; After adopting light path to handle, the output current value of photodetector to be measured is also very faint, must adopt accurate little reometer just can detect; Also to carry out measuring light power in the experiment, must employing can measure the light power meter of faint continuous wavelength luminous power the light of continuous wavelength.At present, still not having convenient, simple, suitable experimental provision measures the response curve of photodetector spectrum.
Summary of the invention
The purpose of this utility model provides a kind of photodetector spectral response experimental apparatus for testing, can measure the spectral pattern of photodetector to be measured easily,
Scheme of the present utility model is: photodetector spectral response experimental apparatus for testing of the present utility model comprises photodetector assembly to be measured and optical power detector assembly, the photodetector to be measured of photodetector assembly to be measured is fixed in the circular cylindrical shell by base, the cylinder front portion is the switching socket that matches with the grating spectrograph delivery outlet, and the output of photodetector to be measured links to each other with precision ammeter by the BNC line; The optical power detector of optical power detector assembly is fixed in the circular cylindrical shell by base, and the cylinder front portion is the switching socket that matches with the grating spectrograph delivery outlet, and the output of optical power detector links to each other with light power meter by the BNC line.
Described photodetector spectral response experimental apparatus for testing, the output of photodetector to be measured is connected with BNC socket, and BNC socket is fixed on the rear portion of circular cylindrical shell; The BNC socket of coupling is also arranged on the precision ammeter, and other joins the BNC connecting line.
Described photodetector spectral response experimental apparatus for testing, the output of optical power detector is connected with BNC socket, and BNC socket is fixed on the rear portion of circular cylindrical shell; The BNC socket that coupling is also arranged on the light power meter.
Described photodetector spectral response experimental apparatus for testing, the shell of photodetector assembly to be measured is the cylinder 1 that the sufficient intensity opaque material is made, one optical path component 1-2 is installed between switching socket and photodetector to be measured, and switching socket mouth, optical path component, photodetector three to be measured be totally one optical axial.
Described photodetector spectral response experimental apparatus for testing, the shell of optical power detector is the cylinder 1 that the sufficient intensity opaque material is made, one optical path component is installed between switching socket and optical power detector, and switching socket, optical path component, optical power detector three be totally one optical axial.
Advantage of the present utility model: can carry out the spectral pattern test of photodetector easily by various testing tools and optical path component.Adopt special-purpose adjustable brightness bromine tungsten filament lamp to provide stable light input for grating spectrograph; The optical path component that adopts particular design is focused to the narrow directional light of grating spectrograph output and decorates light and be mapped on the photodetector to be measured, guarantees that photodetector has certain response; Adopt accurate microgalvanometer and high-precision light power meter can guarantee the accuracy of experimental data.
Description of drawings
Fig. 1 is a general illustration of the present utility model;
Fig. 2 is a photodetector assembly structural representation to be measured;
Fig. 3 is a light power meter detector assembly structural representation;
Fig. 4 is operation instruction figure of the present utility model.
Embodiment
Fig. 1 is a general illustration of the present utility model: the utility model comprises photodetector assembly to be measured and optical power detector assembly, the photodetector 1-3 to be measured of photodetector assembly to be measured is fixed in the circular cylindrical shell 1 by base, the cylinder front portion is the switching socket 1-1 that matches with the grating spectrograph delivery outlet, and the output 1-5 of photodetector to be measured links to each other with the input end 3-1 of precision ammeter 3 by the BNC line; The optical power detector of optical power detector assembly is fixed in the circular cylindrical shell 2 by base, the cylinder front portion is the switching socket 2-1 that matches with the grating spectrograph delivery outlet, optical power detector 2-3 is fixed in the circular cylindrical shell 2 by base, and the output terminal 2-5 of optical power detector 2-3 links to each other with the input end 4-1 of light power meter 4 by the BNC line.
As Fig. 2: the shell of photodetector assembly to be measured of the present utility model is the cylinder 1 that the sufficient intensity opaque material is made, photodetector 1-3 to be measured is fixed in the circular cylindrical shell 1 by base 1-4, the cylinder front portion is the switching socket 1-1 that matches with the grating spectrograph delivery outlet, and an optical path component 1-2 (playing focussing force), switching socket 1-1, optical path component 1-2, photodetector 1-3 three to be measured totally one optical axial is installed between switching socket and photodetector to be measured.The output of photodetector to be measured is connected with BNC socket 1-5, and BNC socket 1-5 is fixed on the rear portion of circular cylindrical shell 1; The BNC socket 3-1 of coupling is also arranged on the precision ammeter 3, and other joins the BNC connecting line.The output of photodetector to be measured links to each other with the input of precision ammeter by the BNC line.
As Fig. 3: the shell of optical power detector is the cylinder 2 that the sufficient intensity opaque material is made, optical power detector 2-3 is fixed in the circular cylindrical shell 2 by base 2-4, the cylinder front portion is the switching socket 2-1 that matches with the grating spectrograph delivery outlet, one optical path component 2-2 (playing focussing force) is installed between switching socket 2-1 and optical power detector 2-3, and switching socket 2-1, optical path component 2-2, optical power detector 2-3 three be totally one optical axial.The output of optical power detector 2-3 is connected with BNC socket 2-5, and BNC socket 2-5 is fixed on the rear portion of circular cylindrical shell 2; The BNC socket 4-1 that coupling is also arranged on the light power meter 4.The output of optical power detector 2-3 links to each other with the input of light power meter by the BNC line.
Fig. 4 is operation instruction figure of the present utility model: bromine tungsten filament lamp 7, computer 6, grating spectrograph 5 are provided for oneself.
The method of testing of photodetector spectral characteristic is: during experiment, interface 1-5 with photodetector assembly 1 to be measured links to each other with the interface 3-1 of the little reometer 3 of precision with the standard connecting line, interface 2-5 with light power meter detector assembly 2 links to each other with the interface 4-1 of light power meter with the standard connecting line, with the USB connecting line computer is linked to each other with the control mouth 5-3 of grating spectrograph 5, USB interface 6-1 with computer 6 links to each other with the USB interface 5-3 of grating spectrograph 5 with the USB connecting line, and the light output interface 7-1 of adjustable brightness bromine tungsten filament lamp 7 is linked to each other with the light input interface 5-1 of grating spectrograph.
At first, the switching socket 1-1 of photodetector assembly to be measured is linked to each other with the light output interface 5-2 of grating spectrograph 5, light by computer control grating spectrograph output different wave length, by being mapped to after the optical path component on the photodetector to be measured, photodetector outputs to the electric current that produces in accurate little reometer, accurate little reometer shows the current value that the records form with numeral, is recorded in the current value of photodetector output under the different wave length.
Photodetector assembly to be measured and grating spectrograph are separated, and the switching socket 2-1 with the light power meter detector assembly links to each other with the light output interface 5-2 of grating spectrograph again.Light by identical wavelength in the output of computer control grating spectrograph and the aforementioned measurement, by being mapped to after the optical path component on the light power meter detector, the light power meter detector outputs to the electric current that produces in the light power meter, light power meter shows the luminous power that the records form with numeral, is recorded in the optical power value under the different wave length.
Being divided by with current value under the same wavelength and optical power value to obtain the responsiveness of photodetector to be measured under this wavelength, draws the spectral response curve that responsiveness-wavelength curve is photodetector to be measured.
Claims (5)
1. photodetector spectral response experimental apparatus for testing, comprise photodetector assembly to be measured and optical power detector assembly, it is characterized in that: the photodetector to be measured of photodetector assembly to be measured is fixed in the circular cylindrical shell by base, the cylinder front portion is the switching socket that matches with the grating spectrograph delivery outlet, and the output of photodetector to be measured links to each other with precision ammeter by the BNC line; The optical power detector of optical power detector assembly is fixed in the circular cylindrical shell by base, and the cylinder front portion is the switching socket that matches with the grating spectrograph delivery outlet, and the output of optical power detector links to each other with light power meter by the BNC line.
2. photodetector spectral response experimental apparatus for testing according to claim 1, it is characterized in that: the output of photodetector to be measured is connected with BNC socket, and BNC socket is fixed on the rear portion of circular cylindrical shell; The BNC socket of coupling is also arranged on the precision ammeter, and other joins the BNC connecting line.
3. photodetector spectral response experimental apparatus for testing according to claim 1 and 2, it is characterized in that: the output of optical power detector is connected with BNC socket, and BNC socket is fixed on the rear portion of circular cylindrical shell; The BNC socket that coupling is also arranged on the light power meter.
4. photodetector spectral response experimental apparatus for testing according to claim 1 and 2, it is characterized in that: the shell of photodetector assembly to be measured is the cylinder (1) that the sufficient intensity opaque material is made, one optical path component (1-2) is installed between switching socket and photodetector to be measured, and switching socket mouth, optical path component, photodetector three to be measured be totally one optical axial.
5. photodetector spectral response experimental apparatus for testing according to claim 1 and 2, it is characterized in that: the shell of optical power detector is the cylinder (1) that the sufficient intensity opaque material is made, one optical path component is installed between switching socket and optical power detector, and switching socket, optical path component, optical power detector three be totally one optical axial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200838546U CN201016844Y (en) | 2007-03-22 | 2007-03-22 | Light-sensitive detector spectral response test experimental facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200838546U CN201016844Y (en) | 2007-03-22 | 2007-03-22 | Light-sensitive detector spectral response test experimental facility |
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| Publication Number | Publication Date |
|---|---|
| CN201016844Y true CN201016844Y (en) | 2008-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200838546U Expired - Fee Related CN201016844Y (en) | 2007-03-22 | 2007-03-22 | Light-sensitive detector spectral response test experimental facility |
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| CN (1) | CN201016844Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384761A (en) * | 2011-08-15 | 2012-03-21 | 西北核技术研究所 | Method for calibrating absolute spectral response ratio of photoelectric detector |
| CN102384841A (en) * | 2011-09-23 | 2012-03-21 | 中国兵器工业第二〇五研究所 | Spectral responsivity test method for plane array detector |
| CN102914323A (en) * | 2012-10-17 | 2013-02-06 | 厦门大学 | Method and device for calibrating absolute spectral response of photoelectric detector |
| CN103674485A (en) * | 2013-12-25 | 2014-03-26 | 中国电子科技集团公司第四十一研究所 | Photoelectric detector parameter testing fixture and testing method |
| CN105606341A (en) * | 2015-12-24 | 2016-05-25 | 中国电子科技集团公司第四十一研究所 | Device and method for quickly recording infrared detector spectral responsivity |
| CN105841931A (en) * | 2016-05-20 | 2016-08-10 | 苏州北鹏光电科技有限公司 | Spectral response test system and test method |
| CN105910797A (en) * | 2016-04-07 | 2016-08-31 | 南京航空航天大学 | Optical device spectrum response measurement method and measurement device based on double sideband modulation and stimulated Brillouin scattering effect |
| CN106370202A (en) * | 2016-10-11 | 2017-02-01 | 北京航空航天大学 | Online testing method and device for comprehensive performance of detector for gyroscope |
-
2007
- 2007-03-22 CN CNU2007200838546U patent/CN201016844Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384761A (en) * | 2011-08-15 | 2012-03-21 | 西北核技术研究所 | Method for calibrating absolute spectral response ratio of photoelectric detector |
| CN102384761B (en) * | 2011-08-15 | 2013-08-14 | 西北核技术研究所 | Method for calibrating absolute spectral response ratio of photoelectric detector |
| CN102384841A (en) * | 2011-09-23 | 2012-03-21 | 中国兵器工业第二〇五研究所 | Spectral responsivity test method for plane array detector |
| CN102914323A (en) * | 2012-10-17 | 2013-02-06 | 厦门大学 | Method and device for calibrating absolute spectral response of photoelectric detector |
| CN102914323B (en) * | 2012-10-17 | 2014-09-10 | 厦门大学 | Method and device for calibrating absolute spectral response of photoelectric detector |
| CN103674485A (en) * | 2013-12-25 | 2014-03-26 | 中国电子科技集团公司第四十一研究所 | Photoelectric detector parameter testing fixture and testing method |
| CN103674485B (en) * | 2013-12-25 | 2015-12-02 | 中国电子科技集团公司第四十一研究所 | Photodetector parameter testing jig and method of testing |
| CN105606341A (en) * | 2015-12-24 | 2016-05-25 | 中国电子科技集团公司第四十一研究所 | Device and method for quickly recording infrared detector spectral responsivity |
| CN105910797A (en) * | 2016-04-07 | 2016-08-31 | 南京航空航天大学 | Optical device spectrum response measurement method and measurement device based on double sideband modulation and stimulated Brillouin scattering effect |
| CN105910797B (en) * | 2016-04-07 | 2019-04-05 | 南京航空航天大学 | Optical device measurement of spectral response method and measuring device based on double sideband modulation Yu stimulated Brillouin scattering effect |
| CN105841931A (en) * | 2016-05-20 | 2016-08-10 | 苏州北鹏光电科技有限公司 | Spectral response test system and test method |
| CN106370202A (en) * | 2016-10-11 | 2017-02-01 | 北京航空航天大学 | Online testing method and device for comprehensive performance of detector for gyroscope |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20130322 |