CN107907212A - Method for measuring space spectral radiance and spatial spectral radioactivity detection, identificationm, and computation - Google Patents
Method for measuring space spectral radiance and spatial spectral radioactivity detection, identificationm, and computation Download PDFInfo
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- CN107907212A CN107907212A CN201711114656.6A CN201711114656A CN107907212A CN 107907212 A CN107907212 A CN 107907212A CN 201711114656 A CN201711114656 A CN 201711114656A CN 107907212 A CN107907212 A CN 107907212A
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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
- G01J3/28—Investigating the spectrum
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Abstract
The invention discloses a kind of method for measuring space spectral radiance and spatial spectral radioactivity detection, identificationm, and computation, belongs to optical radiation fields of measurement, and this method includes measured light, daylighting mask, light guide, light guide and collects screen and plane spectral information measuring apparatus, wherein：Measured light is installed on inside daylighting mask, and the clear and definite daylighting point of appropriate number of spatial coordinate location is set on daylighting mask；One light guide input terminal, light guide input terminal face measured light are installed on each daylighting point；Collect in light guide according to the definite installation light guide output terminal that puts in order on screen, what measured light was sent is conducted to the light dissipated in all directions of space by light guide, collects in light guide and output is concentrated on screen；The plane spectral information measuring device is arranged on the front that the light guide collects screen, and collection light guide collects the Spectral Radiation Information of the upper each light guide output of screen.The present invention realizes the disposable Quick Acquisition to the spatial spectral information of light source, and collecting efficiency is high, and measurement stability is good.
Description
Technical field
The present invention relates to optical radiation fields of measurement, particularly relates to a kind of method for measuring space spectral radiance and spatial light
Spectral radiation measurement system.
Background technology
As lamps and lanterns or the important parameter of light source, the light distribution of its space all directions, Colour, Luminance Distribution and total
The accurate measurement of the optical characteristics such as luminous flux is even more important.Distributed photometer is the special instrument of optics lamps and lanterns feature measurement,
The measuring principle of distribution photometer is mainly illumination square distance law of reciprocity, it is desirable between measurand and optical detector
Apart from long enough；In addition, the accurate measurement to realize the parameter such as lamps and lanterns or light source space light distribution, it is necessary to make measurand
Fixed burning point posture is kept, therefore the stability requirement to distribution photometer is high.Traditional distribution photometer wide variety,
The wherein higher distributed photometer of measuring accuracy has mirror type distribution photometer, synchronous reflection distributing photometer, tilting mirror
Formula distribution photometer etc..
Existing distributed photometer measuring method is that light source is installed on the position that space is fixed, and optical detector is installed on can
On the mechanical arm of spatial rotational, compartment circular motion is carried out around light source in the space that certain distance is kept with light source,
During compartment circular motion, compartment spectral information sampling is carried out under the control of mechanical device, optical detector exists
Space often turns over certain angle, and certain time of just pausing in the definite angle position measures spectral information, and so on,
Until complete the spectral information measurement of the different spatial point of whole space scope to be measured.This measuring method needs optical detection
Device equipment repeatedly starts and stops, and position when being difficult to startup and stopping mechanically being accurately positioned, therefore, measurement angle
Accuracy is low, and long term repeatability it is difficult to ensure that, and the measuring method in measurement process take it is very long, particularly surveying
When measuring angle interval is less, the measurement frequency is more, and time of measuring is longer.It is big that this kind of measurement method cannot meet that needs carry out
Measure the Fast Spectral Measurement of more frequencys time experiment.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of method for measuring space spectral radiance and spatial spectral radiation
Measuring system, the present invention realize the disposable Quick Acquisition to the spatial spectral information of light source, and collecting efficiency is high, and measurement is stablized
Property is good.
It is as follows that the present invention provides technical solution：
A kind of method for measuring space spectral radiance, including measured light, daylighting mask, light guide, light guide collect screen and plane
Spectral information measuring apparatus, wherein：
Measured light is installed on inside daylighting mask, according to the different measurement demands of measured light, is set various sizes of
Daylighting mask and the clear and definite daylighting point of appropriate number of spatial coordinate location is set on daylighting mask；
One light guide input terminal is installed on each daylighting point, light guide input terminal face measured light, gathers tested light
The light that source is sent；
Collect in light guide and sent each to space according to the definite installation light guide output terminal that puts in order, measured light on screen
The light dissipated on direction is conducted by light guide, collects in light guide and output is concentrated on screen；
The plane spectral information measuring device is arranged on the front that the light guide collects screen, and it is upper every that collection light guide collects screen
The Spectral Radiation Information of one light guide output, space coordinate position of the plane spectral information measuring device according to every light guide input terminal
The Spectral Radiation Information of confidence breath, the arrangement position information of light guide output terminal and every light guide output, is calculated tested light
The radiation spectral data of each angle of source space.
Further, the measured light is point light source, and the daylighting mask is spherical daylighting mask, the point light source peace
In the center point of spherical daylighting mask, according to the different measurement demands of point light source, the spherical lighting surface of different radii is set
Cover and the daylighting point that appropriate number of spherical coordinate locality specific is set on spherical daylighting mask.
Further, each daylighting point is arranged on spherical daylighting mask according to a series of arrangement mode of annulus, described
A series of annulus are perpendicular to point light source central shaft.
Further, light guide output terminal collects in light guide and is carried out on screen according to concentric circles corresponding with a series of annulus
Set.
Further, the measured light is line source, and the daylighting mask is cylindricality daylighting mask, the line source peace
On the central shaft of cylindricality daylighting mask, according to the different measurement demands of line source, the cylindricality daylighting of not coaxial radius is set
Mask and the daylighting point that appropriate number of cylindrical coordinates locality specific is set on cylindricality daylighting mask.
Further, each daylighting point is arranged on cylindricality daylighting mask according to a series of arrangement mode of annulus, described
A series of annulus are perpendicular to daylighting mask central shaft.
Further, light guide output terminal light guide collect screen on according to the corresponding rectangle of cylindricality daylighting mask developed surface
EDS maps.
A kind of spatial spectral radioactivity detection, identificationm, and computation, including measured light, daylighting mask, some light guides, light guide collect screen, put down
Face spectral information measuring apparatus, measured light are installed on inside daylighting mask, and light guide input terminal is according to definite space coordinate position
Put on daylighting mask, light guide input terminal face measured light, the light that collection measured light is sent, light guide output terminal is pressed
Collect according to definite putting in order installed in light guide on screen, what measured light was sent passes through to the light dissipated in all directions of space
Light guide conducts, and collects in light guide and output is concentrated on screen, and plane spectral information measuring device is arranged on the light guide and is collecting screen just
Face, collection light guide collect the Spectral Radiation Information of the upper each light guide output of screen.
Further, the measured light is point light source, and the daylighting mask is spherical daylighting mask.
Further, the measured light is line source, and the daylighting mask is cylindricality daylighting mask.
The invention has the advantages that：
The present invention sets with the daylighting mask for determining locus, is adopting according to the different measurement demands of measured light
Definite position installation light guide input terminal on smooth surface cover, is acquired the spectral information of light source, since daylighting mask is with respect to quilt
The locus for surveying light source keeps definite, space bit of the locus of each daylighting point with respect to measured light on daylighting mask
Put clearly, and density of setting of the daylighting point on daylighting mask, it can be needed flexibly to set according to the measurement of measured light, protected
The locus accuracy of measured light spatial spectral collection is demonstrate,proved.
Measured light spectrum on daylighting mask at each spectra collection point enters light guide, Ran Houtong by light guide input terminal
Light guide output terminal output spectrum information is crossed, light guide output terminal output spectrum information is gathered by plane spectral information measuring device.By
Collect in light guide output terminal according to definite putting in order installed in light guide on screen, plane spectral collecting device can be gathered disposably
Light guide collects whole spectral informations on screen, due to the plan position information of light guide output terminal and the locus of light guide input terminal
Information is exactly determined and is one-to-one relationship, and plane spectral collecting device is in collection light guide output terminal spectral information
Meanwhile plan position information, the spatial positional information of light guide input terminal of light guide output terminal are recorded in the lump, plane spectral collection is set
It is standby according to above- mentioned information, can accurately and fast calculate the spatial spectral distribution data of measured light.
Brief description of the drawings
Fig. 1 is method for measuring space spectral radiance (system) schematic diagram of the present invention；
Fig. 2 is the top view of spherical daylighting mask；
The corresponding light guide of the spherical daylighting masks of Fig. 3 collects the schematic diagram of screen；
Fig. 4 collects the schematic diagram for shielding upper one group of concentric circles for light guide；
Fig. 5 collects the schematic diagram for shielding upper another group of concentric circles for light guide；
Fig. 6 is the schematic diagram of cylindricality daylighting mask；
Fig. 7 is the schematic diagram that the corresponding light guide of cylindricality daylighting mask collects screen.
Embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of method for measuring space spectral radiance, as shown in Figs. 1-2, including measured light 1, daylighting mask
2nd, light guide 3, light guide collect screen 4 and plane spectral information measuring apparatus 5, wherein：
Measured light 1 is installed on inside daylighting mask 2, according to the different measurement demands of measured light 1, sets different sizes
Daylighting mask 2 and the clear and definite daylighting point 6 of appropriate number of coordinate position, daylighting of the invention are selected on daylighting mask 2
The shapes and sizes of mask 2 can be set according to actual measurement needs, include but not limited to sphere, cylinder and irregular
Curved surface etc..
One light guide input terminal 7 is installed on each daylighting point 6,7 face measured light 1 of light guide input terminal, gathers quilt
Survey the light that light source 1 is sent；Collect in light guide on screen 4 according to the definite installation light guide output terminal 8 that puts in order, measured light 1
What is sent is conducted to the light dissipated in all directions of space by light guide 3, collects in light guide and output is concentrated on screen 4.
Plane spectral information measuring device 5 is arranged on the front that light guide collects screen 4, and collection light guide collects each on screen 4
The Spectral Radiation Information that light guide 3 exports, space coordinate position of the plane spectral information measuring device 5 according to every light guide input terminal 7
The Spectral Radiation Information of confidence breath, the arrangement position information of light guide output terminal 8 and every light guide output, is calculated tested light
The radiation spectral data of each angle in 1 space of source.
The present invention sets with the daylighting mask for determining locus, is adopting according to the different measurement demands of measured light
Definite position installation light guide input terminal on smooth surface cover, is acquired the spectral information of light source, since daylighting mask is with respect to quilt
The locus for surveying light source keeps definite, space bit of the locus of each daylighting point with respect to measured light on daylighting mask
Put clearly, and density of setting of the daylighting point on daylighting mask, it can be needed flexibly to set according to the measurement of measured light, protected
The locus accuracy of measured light spatial spectral collection is demonstrate,proved.
Measured light spectrum on daylighting mask at each spectra collection point enters light guide, Ran Houtong by light guide input terminal
Light guide output terminal output spectrum information is crossed, light guide output terminal output spectrum information is gathered by plane spectral information measuring device.By
Collect in light guide output terminal according to definite putting in order installed in light guide on screen, plane spectral collecting device can be gathered disposably
Light guide collects whole spectral informations on screen, due to the plan position information of light guide output terminal and the locus of light guide input terminal
Information is exactly determined and is one-to-one relationship, and plane spectral collecting device is in collection light guide output terminal spectral information
Meanwhile plan position information, the spatial positional information of light guide input terminal of light guide output terminal are recorded in the lump, plane spectral collection is set
It is standby according to above- mentioned information, can accurately and fast calculate the spatial spectral distribution data of measured light.
When measured light 1 is point light source, the preferably spherical daylighting mask of daylighting mask 2, as shown in Figs. 1-2, point light source 1
It is preferably mounted in the center point of spherical daylighting mask 2, according to the different measurement demands of point light source 1, the ball of different radii is set
Shape daylighting mask 2 and the daylighting point 6 that appropriate number of spherical coordinate locality specific is set on spherical daylighting mask.
The central shaft 14 of point light source is that point-source light ray radiates the central axis that the direction most concentrated is formed, and point light source
Symmetrical axis, the central shaft of point light source and spherical daylighting mask joint are spherical daylighting mask daylighting limit 9, spherical to adopt
9 coordinate position of smooth surface cover daylighting limit collects the starting point coordinate position pair of screen coordinate central point 10 or order arrangement mode with light guide
Should.
To cause the distribution of daylighting point more uniform, centered on spherical daylighting mask daylighting limit 9, each daylighting point
6 are arranged on spherical daylighting mask 2 according to a series of arrangement mode of annulus 11, and some daylighting points 6 are included on each annulus 11,
Daylighting point 6 on same annulus 11 is spaced uniformly, and a series of 11 rings of circle are perpendicular to point light source central shaft 14.The circle of the present invention
Ring is not the loop line of physical presence, but the shape that each daylighting point is arranged in, and the loop line in attached drawing simply aids in reason
The lines of solution, not physical presence.
For convenience of positioning a series of foregoing annulus 11, with the zenith angle θ of spherical coordinates (label 12 for zenith angle in Fig. 1
θ) a series of annulus 11 are measured, spherical daylighting mask daylighting limit 9 is that (daylighting limit is considered as one to 0 ° of zenith angle
A annulus, 0) its radius is；Other annulus can be any zenith angle angle, and a specific embodiment is given below：Zenith angle
10 ° -180 °, every 10 ° of annulus, 180 ° of zenith angle is lower limit.
According to the volume size of actual the measurement needs and daylighting mask of tested light, on the annulus of different zenith angles
The daylighting point of varying number, such as 5,50,100 etc. are set.A specific embodiment is given below：
Daylighting on the annulus of 0 ° -180 ° of zenith angle (interval 10 °) counts out and is followed successively by 1,6,12,18,23,28,31,
34th, 35,36,35,34,31,28,23,18,12,6,1.
Intuitively it is uniformly distributed on screen in order to enable light guide output terminal collects in light guide, as in Figure 3-5, light guide output terminal 8
Collect in light guide and be configured on screen 4 according to concentric circles 13 corresponding with a series of foregoing annulus 11.The concentric circles of the present invention
Not physical presence, but the shape that each daylighting point is arranged in, the concentric circles in attached drawing are the lines for aiding in understanding, not
Physical presence.As shown in Figure 4,5, it is annulus that 0 ° of zenith angle arrives 90 ° of zenith angle that the concentric circles of Fig. 4 is corresponding from inside to outside, Fig. 5
Concentric circles corresponding from outside to inside is 100 ° of annulus for arriving 170 ° of zenith angle of zenith angle.
When measured light 1 is line source, daylighting mask 2 is preferably cylindricality daylighting mask, as shown in fig. 6, line source is excellent
Choosing, according to the different measurement demands of line source, sets not coaxial radius and length on the central shaft of cylindricality daylighting mask
The cylindricality daylighting mask of degree and the daylighting point 6 that appropriate number of cylindrical coordinates locality specific is set on cylindricality daylighting mask.
For example, each daylighting point is arranged on cylindricality daylighting mask according to a series of arrangement mode of annulus 11, Ge Geyuan
Distance is equal or different between ring 11, and daylighting 6 quantity of point on preferably each annulus 11 are identical, adopting on same annulus 11
Luminous point 6 is spaced uniformly, and a series of annulus 11 are perpendicular to 2 central shaft of daylighting mask.The locus of each daylighting point is relative to line
Light source position determines, coordinate is clear and definite.
Intuitively it is uniformly distributed on screen in order to enable light guide output terminal collects in light guide, light guide output terminal collects screen 4 in light guide
On according to the corresponding rectangle EDS maps of cylindricality daylighting mask developed surface, as shown in Figure 7.
On the other hand, the present invention provides a kind of spatial spectral radioactivity detection, identificationm, and computation, as shown in Figure 1, including measured light 1,
Daylighting mask 2, some light guides 3, light guide collect screen 4, plane spectral information measuring device 5, and measured light 1 is installed on daylighting mask
Inside 2, light guide input terminal 7 is installed on daylighting mask 2 according to definite spatial coordinate location, and 7 face of light guide input terminal is tested
Light source 1, the light that collection measured light 1 is sent, light guide output terminal 8 collect screen 4 according to definite putting in order installed in light guide
On, what measured light 1 was sent is conducted to the light dissipated in all directions of space by light guide 3, light guide collect concentrated on screen 4 it is defeated
Go out, plane spectral information measuring device 5 is arranged on the front that light guide collects screen 4, and collection light guide collects each light guide 3 on screen 4
The Spectral Radiation Information of output.
The spatial spectral radioactivity detection, identificationm, and computation of the present invention is according to foregoing method for measuring space spectral radiance measurement light source
Spatial spectral distribution data.The disposable Quick Acquisition to the spatial spectral information of light source is realized, collecting efficiency is high, and measurement is steady
It is qualitative good.
When measured light is point light source, daylighting mask is spherical daylighting mask, when measured light is line source, daylighting
Mask is cylindricality daylighting mask.In the present invention, spherical mask is not singly to refer to global type or a spherical part, such as
Hemispherical etc..
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of method for measuring space spectral radiance, including measured light, daylighting mask, light guide, light guide collect screen and planar light
Spectrum information measuring apparatus, it is characterised in that：
Measured light is installed on inside daylighting mask, according to the different measurement demands of measured light, sets various sizes of daylighting
Mask and the clear and definite daylighting point of appropriate number of spatial coordinate location is set on daylighting mask；
One light guide input terminal, light guide input terminal face measured light, collection measured light hair are installed on each daylighting point
The light gone out；
Collect in light guide according to the definite installation light guide output terminal that puts in order on screen, measured light send to space all directions
The light of upper diverging is conducted by light guide, collects in light guide and output is concentrated on screen；
The plane spectral information measuring device is arranged on the front that the light guide collects screen, and collection light guide collects the upper each of screen
The Spectral Radiation Information of light guide output, spatial coordinate location letter of the plane spectral information measuring device according to every light guide input terminal
The Spectral Radiation Information of breath, the arrangement position information of light guide output terminal and every light guide output, is calculated measured light sky
Between each angle radiation spectral data.
2. method for measuring space spectral radiance according to claim 1, it is characterised in that the measured light is a light
Source, the daylighting mask are spherical daylighting mask, and the point light source is installed in the center point of spherical daylighting mask, according to a light
The different measurement demands in source, set the spherical daylighting mask of different radii and are set on spherical daylighting mask appropriate number of
The daylighting point of spherical coordinate locality specific.
3. method for measuring space spectral radiance according to claim 2, it is characterised in that each daylighting point is according to a series of
The arrangement mode of annulus is arranged on spherical daylighting mask, and a series of annulus are perpendicular to point light source central shaft.
4. method for measuring space spectral radiance according to claim 3, it is characterised in that light guide output terminal collects in light guide
It is configured on screen according to concentric circles corresponding with a series of annulus.
5. method for measuring space spectral radiance according to claim 1, it is characterised in that the measured light is linear light
Source, the daylighting mask are cylindricality daylighting mask, and the line source is installed on the central shaft of cylindricality daylighting mask, according to linear light
The different measurement demands in source, set the cylindricality daylighting mask of not coaxial radius and set suitable quantity on cylindricality daylighting mask
Cylindrical coordinates locality specific daylighting point.
6. method for measuring space spectral radiance according to claim 5, it is characterised in that each daylighting point is according to a series of
The arrangement mode of annulus is arranged on cylindricality daylighting mask, and a series of annulus are perpendicular to daylighting mask central shaft.
7. method for measuring space spectral radiance according to claim 6, it is characterised in that light guide output terminal collects in light guide
Screen on according to the corresponding rectangle EDS maps of cylindricality daylighting mask developed surface.
8. a kind of spatial spectral radioactivity detection, identificationm, and computation, it is characterised in that including measured light, daylighting mask, some light guides, light guide
Collect screen, plane spectral information measuring device, measured light is installed on inside daylighting mask, and light guide input terminal is according to definite sky
Between coordinate position be installed on daylighting mask, light guide input terminal face measured light, the light that sends of collection measured light, light guide
Output terminal collects on screen according to definite putting in order installed in light guide, measured light send to dissipating in all directions of space
Light is conducted by light guide, collects in light guide and output is concentrated on screen, and plane spectral information measuring device is arranged on the light guide and converges
The front always shielded, collection light guide collect the Spectral Radiation Information of the upper each light guide output of screen.
9. spatial spectral radioactivity detection, identificationm, and computation according to claim 8, it is characterised in that the measured light is a light
Source, the daylighting mask are spherical daylighting mask.
10. spatial spectral radioactivity detection, identificationm, and computation according to claim 8, it is characterised in that the measured light is linear light
Source, the daylighting mask are cylindricality daylighting mask.
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| CN201711114656.6A CN107907212B (en) | 2017-11-13 | 2017-11-13 | Space spectrum radiation measuring method and space spectrum radiation measuring system |
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| CN201711114656.6A CN107907212B (en) | 2017-11-13 | 2017-11-13 | Space spectrum radiation measuring method and space spectrum radiation measuring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612583A (en) * | 2019-01-18 | 2019-04-12 | 陈岱晴 | A kind of point light source method for measuring space spectral radiance and measuring system |
| CN109612584A (en) * | 2019-01-18 | 2019-04-12 | 陈岱晴 | A kind of linear light source method for measuring space spectral radiance and measuring system |
| CN109632098A (en) * | 2019-01-18 | 2019-04-16 | 陈岱晴 | Small-sized illuminator spatial light Radiation Measurements, system and optical fiber image transmission beam |
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| CN102829860A (en) * | 2012-08-17 | 2012-12-19 | 重庆大学 | Device and method for quickly measuring space chromaticity and light distribution of lamp |
| EP3040708A1 (en) * | 2013-08-30 | 2016-07-06 | FUJIFILM Corporation | Optical-characteristics measurement device and optical-characteristics measurement method |
| CN105954209A (en) * | 2016-04-21 | 2016-09-21 | 厦门大学 | Multichannel testing system for near-field spatial distribution of light source |
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| CN102829860A (en) * | 2012-08-17 | 2012-12-19 | 重庆大学 | Device and method for quickly measuring space chromaticity and light distribution of lamp |
| EP3040708A1 (en) * | 2013-08-30 | 2016-07-06 | FUJIFILM Corporation | Optical-characteristics measurement device and optical-characteristics measurement method |
| CN105954209A (en) * | 2016-04-21 | 2016-09-21 | 厦门大学 | Multichannel testing system for near-field spatial distribution of light source |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612583A (en) * | 2019-01-18 | 2019-04-12 | 陈岱晴 | A kind of point light source method for measuring space spectral radiance and measuring system |
| CN109612584A (en) * | 2019-01-18 | 2019-04-12 | 陈岱晴 | A kind of linear light source method for measuring space spectral radiance and measuring system |
| CN109632098A (en) * | 2019-01-18 | 2019-04-16 | 陈岱晴 | Small-sized illuminator spatial light Radiation Measurements, system and optical fiber image transmission beam |
| CN109632098B (en) * | 2019-01-18 | 2021-06-11 | 陈岱晴 | Method and system for measuring space optical radiation of small-sized luminous body and optical fiber image transmission bundle |
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| CN107907212B (en) | 2020-06-12 |
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