CN108168696A - The calibrating installation and calibration method of a kind of spectral radiometer - Google Patents
The calibrating installation and calibration method of a kind of spectral radiometer Download PDFInfo
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- CN108168696A CN108168696A CN201810084574.XA CN201810084574A CN108168696A CN 108168696 A CN108168696 A CN 108168696A CN 201810084574 A CN201810084574 A CN 201810084574A CN 108168696 A CN108168696 A CN 108168696A
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- 230000003595 spectral effect Effects 0.000 title claims abstract description 48
- 238000009434 installation Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 99
- 238000001228 spectrum Methods 0.000 claims abstract description 25
- 230000013011 mating Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004310 photopic vision Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0297—Constructional arrangements for removing other types of optical noise or for performing calibration
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a kind of calibrating installation of spectral radiometer, including light source, integrating sphere, optics camera bellows, the first electronic optical filter wheel, the second electronic optical filter wheel and control system；Integrating sphere is equipped with light hole；Optics camera bellows is equipped with the incident diaphragm of face and outgoing diaphragm；First electronic optical filter wheel and the second electronic optical filter wheel are installed in optics camera bellows and are electrically connected with control system；First electronic optical filter wheel is equipped with multiple first optical filters, and the second electronic optical filter wheel is equipped with multiple second optical filters；Light source is installed in integrating sphere, and the light that light source is sent out is after integrating sphere internal reflection successively after light hole, incident diaphragm, the first optical filter and the second optical filter from outgoing diaphragm outgoing.It can so that the luminous energy that is emitted of the present invention is required when meeting multiple spectrum radiometer calbration using the calibrating installation, it is insufficient caused by standard sources due to needing replacing in the prior art so as to avoid.The invention also discloses a kind of calibration methods of spectral radiometer.
Description
Technical field
The present invention relates to optical technical fields, particularly relate to the calibrating installation and calibration method of a kind of spectral radiometer.
Background technology
Spectral radiometer is also known as spectrometer, spectroanalysis instrument, spectroscopic analysis system, is widely used in and measures light source or object
Spectral power distribution, colour temperature, chromaticity coordinate, dominant wavelength, peak wavelength, excitation purity, color tolerance, colour rendering index, color ratio, light lead to
The luminosity such as amount, illumination, brightness, radiant power, spectral reflectivity, spectral-transmission favtor, chroma amount.
For spectral radiometer in use for some time, it is required for being calibrated to ensure the accuracy of measurement data.
In the prior art, it is typically all for the calibration of spectral radiometer：When calibrating for the first time, first with standard spectrum radiometer pair
It is detected to obtain normal data for the standard sources that can send out the spectral radiometer and can be detected wavelength and luminosity, this standard
Data are the first normal data；Then same standard light source is detected to obtain for being used for spectral radiometer to be calibrated
Normal data, is finally compared to obtain calibration value with detection data and carries out school to treat calibration spectrum radiometer by detection data
It is accurate.Calibration after this whithin a period of time, depending on spectral radiometer use environment, frequency of usage and stability, usually counts
Within week, the calibration for spectral radiometer to be calibrated is all to be detected spectral radiometer to be calibrated to the standard sources
Detection data is obtained, is then compared to obtain calibration value with the first normal data by detection data and come to spectrum spoke to be calibrated
It penetrates meter to be calibrated, standard sources is detected with standard spectrum radiometer without again to obtain normal data.
In the prior art, it is different that different spectral radiometers, which can be detected wavelength and luminosity, so to different
It is required for selecting corresponding standard sources during spectral radiance meter calibrating so that different standard sources is needed replacing during calibration,
It operates comparatively laborious, also improves the cost of calibration.And since standard sources is using a period of time that itself ginseng can all occur
Number changes, and in the conventional technology, what the calibration after being calibrated for spectral radiometer in first time was traced to the source is the first of standard sources
Normal data, this causes the accuracy of calibration of the spectral radiometer after first time calibration can be poor.
Invention content
The purpose of the present invention is to provide the calibrating installation and calibration method of a kind of spectral radiometer, to overcome the prior art
In deficiency.
In order to achieve the above objectives, solution of the invention is：
A kind of calibrating installation of spectral radiometer, including light source, integrating sphere, optics camera bellows, rotatable first electronic optical filtering
What piece wheel, rotatable second electronic optical filter wheel and the first electronic optical filter wheel of control and the second electronic optical filter wheel rotated
Control system；The integrating sphere is equipped with light hole；The optics camera bellows is equipped with incident diaphragm facing each other and outgoing diaphragm；Institute
It states the center of light hole and the center at the center of incident diaphragm and outgoing diaphragm to be on same axis, the first electronic filter
Mating plate wheel and the second electronic optical filter wheel are installed in optics camera bellows, the first electronic optical filter wheel and the second electronic filter
The respective motor of mating plate wheel is electrically connected with control system；The first electronic optical filter wheel is used to select different waves equipped with multiple
The first long optical filter, the second electronic optical filter wheel are equipped with multiple the second optical filters for being used to select different luminosity；It is described
Light source is installed in integrating sphere, and the light that light source is sent out is after integrating sphere internal reflection successively by light hole, incident diaphragm, the first electricity
From outgoing diaphragm outgoing after first optical filter of dynamic optical filter wheel and the second optical filter of the second electronic optical filter wheel.
The light source is halogen lamp.
The integrating sphere is furnished with light source stability detector, and the optical stability detector is electrically connected with control system.
The calibrating installation further includes an optical table, and the optical table is equipped with the fixing bracket of fixed integrating sphere
And the fixed platform of fixed optics camera bellows.
The periphery tight abutment of the periphery of the incident diaphragm of the optics camera bellows and the light hole of integrating sphere.
The incident diaphragm of the optics camera bellows is connected by the light hole of a shading pipe and integrating sphere.
The outgoing diaphragm is combined with hood.
A cone being located in optics camera bellows is combined on the outgoing diaphragm, the central shaft of the cone is located at institute
It states the center of light hole and the center of incident diaphragm and is emitted on the axis where the center of diaphragm.
First optical filter is spectrum bandpass filter, and second optical filter is spectral neutrality optical filter.
A kind of calibration method of spectral radiometer, the calibration method use above-mentioned calibrating installation；The calibration method
Including：
Step 1：The light source of the calibrating installation is opened, and the first electronic optical filter wheel and second is rotated by control system
Electronic optical filter wheel selects required the first optical filter and the second optical filter, so that from the light of the outgoing of outgoing diaphragm
Wavelength and luminosity are in the wave-length coverage that standard spectrum radiometer and spectral radiometer to be calibrated can be detected and luminosity model
In enclosing；
Step 2：The light of the outgoing from outgoing diaphragm is examined respectively with standard spectrum radiometer and spectral radiometer to be calibrated
It surveys to obtain normal data and data to be calibrated；
Step 3：Normal data and data to be calibrated are compared to obtain calibration value, spectrum to be calibrated is adjusted by calibration value
Radiometer, so as to complete to treat the calibration of calibration spectrum radiometer.
After using the above scheme, the light that the light source of the calibrating installation of spectral radiometer of the invention a kind of is sent out is in integrating sphere
Successively by light hole, incident diaphragm, the first optical filter of the first electronic optical filter wheel and the second electronic optical filtering after internal reflection
From outgoing diaphragm outgoing after second optical filter of piece wheel, therefore the first electronic optical filter wheel and the second electricity are rotated by control system
Dynamic optical filter wheel selects required the first optical filter and the second optical filter, can be so that the wavelength of the light from the outgoing of outgoing diaphragm
Meet the wavelength and luminosity needed for standard spectrum radiometer and spectral radiometer to be calibrated with luminosity, so as to solve the prior art
It is middle need for different spectral radiometers replace that corresponding standard sources brings it is cumbersome, of high cost the problem of；The present invention
The calibration method of spectral radiometer a kind of be to be implemented using a kind of calibrating installation of the spectral radiometer of the present invention, in operation
It is more simple, and be required for during spectral radiance meter calibrating to be calibrated with standard spectrum radiometer to the outgoing from outgoing diaphragm
Light is detected to obtain normal data, and what spectral radiometer to be calibrated in this way was traced to the source when calibrating every time is all current criterion numeral
According to so as to improve the accuracy of the calibration of spectral radiometer to be calibrated.
Description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the partial exploded view of the present invention；
Fig. 3 is the sectional view of the present invention.
Specific embodiment
In order to further explain the technical solution of the present invention, the present invention is explained in detail below by specific embodiment
It states.
As shown in Figure 1 to Figure 3, present invention is disclosed a kind of calibrating installation of spectral radiometer, including light source 1, integration
Ball 2, optics camera bellows 3, rotatable first electronic optical filter wheel 4, rotatable second electronic optical filter wheel 5 and control first
The control system of electronic 4 and second electronic optical filter wheel 5 of optical filter wheel rotation（It is not shown）.
Shown in Fig. 2 and Fig. 3, the integrating sphere 2 is equipped with light hole 21, and the light source 1 is installed in integrating sphere 2, the light
Source 1 can be halogen lamp.The integrating sphere 2 can be furnished with light source stability detector 22, the optical stability detector 22
It is electrically connected with control system, light source 1 can be detected by light source stability detector 22, with the feelings stablized in light source 1
It is carried out under condition using the calibrating installation, band human eye photopic vision spectral light visual effect may be used in the optical stability detector 22
The Si detectors of rate V (λ) adaptation function.
The optics camera bellows 3 is equipped with incident diaphragm 31 facing each other and outgoing diaphragm 32；The center of the light hole 21
It is on same axis with the center of incident diaphragm 31 and the center of outgoing diaphragm 32.The incident diaphragm of the optics camera bellows 3
31 are connected with the light hole 21 of integrating sphere 2；It specifically, can the periphery of incident diaphragm 31 of the optics camera bellows 3 and integrating sphere 2
The periphery tight abutment of light hole 21 or the incident diaphragm 31 of the optics camera bellows 3 pass through a shading pipe and integrating sphere 2
Light hole 21 connects.The outgoing diaphragm 32 can be combined with hood 321 to prevent dust from entering camera bellows 3.
The first electronic 4 and second electronic optical filter wheel 5 of optical filter wheel is installed in optics camera bellows 3, first electricity
Dynamic optical filter wheel 4 and the second electronic 5 respective motor of optical filter wheel are electrically connected with control system, and the control system can
Think computer or microprocessor；The first electronic optical filter wheel 4 is used to select the first of different wave length to filter equipped with multiple
Piece 41, the second electronic optical filter wheel 5 is equipped with multiple the second optical filters 51 for being used to select different luminosity, wherein described first
Optical filter 41 is spectrum bandpass filter, and second optical filter 51 is spectral neutrality optical filter.The light that the light source 1 is sent out exists
After 2 internal reflection of integrating sphere successively by the first optical filter 41 of light hole 21, incident diaphragm 31, the first electronic optical filter wheel 4 with
And second electronic optical filter wheel 5 the second optical filter 51 after from outgoing diaphragm 32 be emitted.Further, match on the outgoing diaphragm 32
Closing has a cone 7 being located in optics camera bellows 3, and the central shaft of the cone 7 is located at the center of the light hole 21 and enters
It penetrates the center of diaphragm 31 and is emitted on the axis where the center of diaphragm 32, it can will be from the second electronic filter by cone 7
The light of the second optical filter 51 outgoing of mating plate is limited to avoid interference.
Further, the calibrating installation further includes an optical table 6, and the optical table 6 is equipped with fixed integrating sphere 2
The fixed platform 62 of fixing bracket 61 and fixed optics camera bellows 3.
The present invention can rotate the first electronic 4 and second electronic optical filter wheel 5 of optical filter wheel to select by control system
Required the first optical filter 41 and the second optical filter 51, so that expiring from the wavelength and luminosity of the light of the outgoing of outgoing diaphragm 32
Wavelength and luminosity needed for sufficient standard spectrum radiometer and spectral radiometer to be calibrated, need needle in the prior art so as to solve
Different spectral radiometers are replaced with corresponding standard sources brings it is cumbersome, of high cost the problem of.
Present invention further teaches a kind of calibration method of spectral radiometer, the calibration method uses the calibrating installation,
Specifically, the calibration method includes：
Step 1：It opens the light source 1 of the calibrating installation, and the first electronic optical filter wheel 4 and the is rotated by control system
Two electronic optical filter wheels 5 select required the first optical filter 41 and the second optical filter 51, so that from outgoing diaphragm 32
The wavelength and luminosity of the light of outgoing are in the wave-length coverage that standard spectrum radiometer and spectral radiometer to be calibrated can be detected
In interior and photometric range；
Step 2：The light of the outgoing from outgoing diaphragm 32 is carried out respectively with standard spectrum radiometer and spectral radiometer to be calibrated
It detects to obtain normal data and data to be calibrated；
Step 3：Normal data and data to be calibrated are compared to obtain calibration value, spectrum to be calibrated is adjusted by calibration value
Radiometer, so as to complete to treat the calibration of calibration spectrum radiometer.
The calibration method of the present invention is implemented using the calibrating installation of the present invention, more simple in operation, and treats school
It is required for that the light of the outgoing from outgoing diaphragm 32 is detected to obtain with standard spectrum radiometer during quasi-optical spectrum radiometer calbration
To normal data, what spectral radiometer to be calibrated in this way was traced to the source when calibrating every time is all current normal data, so as to carry
The accuracy of the calibration of high spectral radiometer to be calibrated.
The product form and style of above-described embodiment and schema and the non-limiting present invention, any technical field it is common
The appropriate variation or modification that technical staff does it all should be regarded as not departing from the patent category of the present invention.
Claims (10)
1. a kind of calibrating installation of spectral radiometer, it is characterised in that：Including light source, integrating sphere, optics camera bellows, rotatable
One electronic optical filter wheel, rotatable second electronic optical filter wheel and the first electronic optical filter wheel of control and the second electronic optical filtering
The control system of piece wheel rotation；
The integrating sphere is equipped with light hole；The optics camera bellows is equipped with incident diaphragm facing each other and outgoing diaphragm；It is described go out
The center of unthreaded hole is in the center of incident diaphragm and the center of outgoing diaphragm on same axis, the first electronic optical filter
Wheel and the second electronic optical filter wheel are installed in optics camera bellows, the first electronic optical filter wheel and the second electronic optical filter
Respective motor is taken turns to be electrically connected with control system；The first electronic optical filter wheel is used to select different wave length equipped with multiple
First optical filter, the second electronic optical filter wheel are equipped with multiple the second optical filters for being used to select different luminosity；The light source
It is installed in integrating sphere, the light that light source is sent out is after integrating sphere internal reflection successively by light hole, incident diaphragm, the first electronic filter
From outgoing diaphragm outgoing after second optical filter of the first optical filter of mating plate wheel and the second electronic optical filter wheel.
2. calibrating installation as described in claim 1, it is characterised in that：The light source is halogen lamp.
3. calibrating installation as described in claim 1, it is characterised in that：The integrating sphere is furnished with light source stability detector, institute
Optical stability detector is stated to be electrically connected with control system.
4. calibrating installation as described in claim 1, it is characterised in that：An optical table is further included, is set on the optical table
There are the fixing bracket of fixed integrating sphere and the fixed platform of fixed optics camera bellows.
5. calibrating installation as described in claim 1, it is characterised in that：The periphery and integration of the incident diaphragm of the optics camera bellows
The periphery tight abutment of the light hole of ball.
6. calibrating installation as described in claim 1, it is characterised in that：The incident diaphragm of the optics camera bellows passes through a shading pipe
It is connect with the light hole of integrating sphere.
7. calibrating installation as described in claim 1, it is characterised in that：The outgoing diaphragm is combined with hood.
8. calibrating installation as described in claim 1, it is characterised in that：One is combined on the outgoing diaphragm and is located at optics camera bellows
Interior cone, the central shaft of the cone are located at the center of the light hole and the center of incident diaphragm and outgoing diaphragm
Center where axis on.
9. calibrating installation as described in claim 1, it is characterised in that：First optical filter be spectrum bandpass filter, institute
The second optical filter is stated as spectral neutrality optical filter.
10. a kind of calibration method of spectral radiometer, it is characterised in that：The calibration method is used as claim 1 to 9 is arbitrary
Calibrating installation described in one；The calibration method includes：
Step 1：The light source of the calibrating installation is opened, and the first electronic optical filter wheel and second is rotated by control system
Electronic optical filter wheel selects required the first optical filter and the second optical filter, so that from the light of the outgoing of outgoing diaphragm
Wavelength and luminosity are in the wave-length coverage that standard spectrum radiometer and spectral radiometer to be calibrated can be detected and luminosity model
In enclosing；
Step 2：The light of the outgoing from outgoing diaphragm is examined respectively with standard spectrum radiometer and spectral radiometer to be calibrated
It surveys to obtain normal data and data to be calibrated；
Step 3：Normal data and data to be calibrated are compared to obtain calibration value, spectrum to be calibrated is adjusted by calibration value
Radiometer, so as to complete to treat the calibration of calibration spectrum radiometer.
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| CN201810084574.XA CN108168696A (en) | 2018-01-29 | 2018-01-29 | The calibrating installation and calibration method of a kind of spectral radiometer |
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| CN201810084574.XA CN108168696A (en) | 2018-01-29 | 2018-01-29 | The calibrating installation and calibration method of a kind of spectral radiometer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981916A (en) * | 2018-08-01 | 2018-12-11 | 合肥中科九衡科技有限公司 | A kind of collecting method based on multichannel filter radiometer |
| CN109470718A (en) * | 2019-01-08 | 2019-03-15 | 东莞市庆颖智能自动化科技有限公司 | Silicon wafer material detection system and its universal integral spherical structure |
| CN109799077A (en) * | 2019-03-01 | 2019-05-24 | 中国科学院长春光学精密机械与物理研究所 | The linear variable filter detection device of imaging spectrometer |
| CN109934211A (en) * | 2019-03-11 | 2019-06-25 | Oppo广东移动通信有限公司 | The calibration method and relevant apparatus of fingerprint |
| CN110660054A (en) * | 2019-09-23 | 2020-01-07 | 深圳市康康网络技术有限公司 | Light quality evaluation method, device and computer readable storage medium |
| CN113932931A (en) * | 2021-08-25 | 2022-01-14 | 广东省计量科学研究院（华南国家计量测试中心） | Symmetric color temperature calibration device and color temperature meter calibration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108981916A (en) * | 2018-08-01 | 2018-12-11 | 合肥中科九衡科技有限公司 | A kind of collecting method based on multichannel filter radiometer |
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| CN109799077A (en) * | 2019-03-01 | 2019-05-24 | 中国科学院长春光学精密机械与物理研究所 | The linear variable filter detection device of imaging spectrometer |
| CN109934211A (en) * | 2019-03-11 | 2019-06-25 | Oppo广东移动通信有限公司 | The calibration method and relevant apparatus of fingerprint |
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| CN113932931A (en) * | 2021-08-25 | 2022-01-14 | 广东省计量科学研究院（华南国家计量测试中心） | Symmetric color temperature calibration device and color temperature meter calibration method |
| CN113932931B (en) * | 2021-08-25 | 2023-06-23 | 广东省计量科学研究院（华南国家计量测试中心） | Symmetrical color temperature calibration device and color temperature meter calibration method |
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Application publication date: 20180615 |