CN105890776A - Light splitting and coupling device - Google Patents
Light splitting and coupling device Download PDFInfo
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- CN105890776A CN105890776A CN201610392646.8A CN201610392646A CN105890776A CN 105890776 A CN105890776 A CN 105890776A CN 201610392646 A CN201610392646 A CN 201610392646A CN 105890776 A CN105890776 A CN 105890776A
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- 230000008878 coupling Effects 0.000 title claims abstract description 42
- 238000010168 coupling process Methods 0.000 title claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 42
- 230000005855 radiation Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- 230000001052 transient effect Effects 0.000 abstract description 34
- 238000009529 body temperature measurement Methods 0.000 abstract description 4
- 230000011514 reflex Effects 0.000 description 14
- 238000005259 measurement Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 6
- 238000004611 spectroscopical analysis Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000005457 Black-body radiation Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000005622 photoelectricity Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004446 light reflex Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000004861 thermometry Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004153 renaturation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0808—Convex mirrors
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
- G01J5/0804—Shutters
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/08—Optical arrangements
- G01J5/0893—Arrangements to attach devices to a pyrometer, i.e. attaching an optical interface; Spatial relative arrangement of optical elements, e.g. folded beam path
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
-
- 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
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/20—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
- G01J2005/202—Arrays
Abstract
The embodiment of the invention provides a light splitting and coupling device, and belongs to the field of radiation temperature measurement devices. The light splitting and coupling device comprises a first light splitter, a first total reflector, a first light adjuster, a second light adjuster and a photoelectric detector, wherein radiation light emitted by a target is incident into the first light splitter; part of the radiation light is reflected to the first light adjuster through the first light splitter, and is treated by the first light adjuster into light beams within a first preset wavelength range and condensed into the photoelectric detector; the other part of the radiation light is incident into the first total reflector through the first light splitter, is reflected by the first total reflector into the second light adjuster, and is treated by the second light adjuster into light beams within a second preset wavelength range and condensed into the photoelectric detector. The light splitting and coupling device can effectively improve the accuracy of measured transient temperature of the target when used for performing transient radiation temperature measurement on the target.
Description
Technical field
The present invention relates to radiation temperature measurement device field, in particular to a kind of light splitting coupling dress
Put.
Background technology
In fields such as explosion wave physics, Laser shock loading, thermal transient radiation, superhigh temperature detections,
The measurement of the transient temperature of target is particularly important.Transient temperature refers to the shortest a period of time internal object
Temperature, such as in blast, after the time break or blast in the shortest a period of time, quick-fried
The temperature in fried district is just transient temperature.Radiation thermometry is as a kind of non-contact temperature measuring method, quilt
It is widely used in such as the measurement of the transient temperature of target under the special environments such as blast.Radiation temperature measurement
Method is with Planck blackbody radiation law as theoretical basis, comes by measuring the radiant flux of target
Measure the transient temperature of target.Existing radiation thermometry is by the spoke of target by collecting lens
Penetrate light and converge to spectroscope, obtained the spectrum in certain wavelength band of radiant light by spectroscope
Data, obtain the transient temperature value of target further according to this spectroscopic data.This method is only by one
The spectroscopic data of road light obtains the transient temperature value of target, and precision is difficult to ensure that.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of light splitting coupling device, for entering target
Row transient radiation thermometric, to improve the problems referred to above.
To achieve these goals, the technical scheme that the embodiment of the present invention uses is as follows:
First aspect, embodiments provides a kind of light splitting coupling device, described light splitting coupling
Locking device includes the first spectroscope, the first completely reflecting mirror, the first light regulator, the second light regulation
Device and photodetector.The radiant light that described target sends incides described first spectroscope.
A part of described radiant light through described first dichroic mirror to described first light regulator, through institute
State the first light regulator be processed as the light beam of the first preset wavelength scope and converge to described photoelectricity
Detector.Radiant light described in another part incides described first complete through described first spectroscope
Reflecting mirror, incides described second light regulator, through institute after described first completely reflecting mirror reflection
State the second light regulator be processed as the light beam of the second preset wavelength scope and converge to described photoelectricity
Detector.
In conjunction with first aspect, the first possibility that the embodiment of the present invention additionally provides first aspect is real
Executing mode, wherein, described light splitting coupling device also includes that image intensifier, described image intensifier set
Put between described first light regulator and described photodetector and described second light regulator
And in the propagation path of light between described photodetector.
In conjunction with first aspect the first may embodiment, the embodiment of the present invention additionally provides the
The possible embodiment of the second on the one hand, wherein, described light splitting coupling device also includes second
Spectroscope, the second completely reflecting mirror, the 3rd light regulator.After described first dichroic mirror
Described radiant light incides described second spectroscope, and a part of described radiant light passes through described second
Spectroscope incides described first light regulator, and radiant light described in another part is through described second point
It is processed as the light beam of the 3rd preset wavelength scope also by described 3rd light regulator after light microscopic reflection
Converge to described image intensifier.
In conjunction with first aspect the second may embodiment, the embodiment of the present invention additionally provides the
On the one hand the third may embodiment, wherein, described first preset wavelength scope, described
Second preset wavelength scope and described 3rd preset wavelength scope are not quite similar.
In conjunction with first aspect the second may embodiment, the embodiment of the present invention additionally provides the
The possible embodiment of the 4th kind on the one hand, wherein, described light splitting coupling device also includes the 3rd
Spectroscope, the 3rd completely reflecting mirror, the 4th light regulator.Incide described first completely reflecting mirror
Described radiant light incides described 3rd spectroscope after described first completely reflecting mirror reflection, one
It is divided into and is mapped to described 3rd spectroscopical described radiant light and incides through described 3rd spectroscope
Described second light regulator, another part incides described 3rd spectroscopical described radiant light warp
It is processed as the 4th preset wavelength model by described 4th light regulator after described 3rd dichroic mirror
The light beam that encloses also converges to described image intensifier.
In conjunction with the 4th kind of first aspect may embodiment, the embodiment of the present invention additionally provides the
On the one hand the 5th kind may embodiment, wherein, described first preset wavelength scope, described
Second preset wavelength scope, described 3rd preset wavelength scope and described 4th preset wavelength scope
It is not quite similar.
In conjunction with first aspect the first may embodiment, the embodiment of the present invention additionally provides the
The possible embodiment of the 6th kind on the one hand, wherein, described light splitting coupling device also includes second
Spectroscope, the second completely reflecting mirror, the 3rd light regulator.Incide described first completely reflecting mirror
Described radiant light incides described second spectroscope after described first completely reflecting mirror reflection.One
It is divided into and is mapped to described second spectroscopical described radiant light and incides through described second spectroscope
Described first light regulator.Another part incides described second spectroscopical described radiant light warp
It is processed as the 3rd preset wavelength model by described 3rd light regulator after described second dichroic mirror
The light beam that encloses also converges to described image intensifier.
In conjunction with the first possible embodiment of first aspect or first aspect, the embodiment of the present invention
Additionally provide the 7th kind of possible embodiment of first aspect, wherein, described first preset wavelength
Scope is not quite similar with described second preset wavelength scope.
In conjunction with first aspect, the 8th kind of possibility that the embodiment of the present invention additionally provides first aspect is real
Executing mode, wherein, described photodetector includes many sub-detectors, and the plurality of sub-spy
The service band surveying device is not quite similar.
In conjunction with the 8th kind of first aspect may embodiment, the embodiment of the present invention additionally provides the
The possible embodiment of the 9th kind on the one hand, wherein, described photodetector is charge-coupled device
Part detector array.
The light splitting coupling device that the embodiment of the present invention provides, make use of the first spectroscope and first complete
The radiant light that target is sent by reflecting mirror is divided into two-way, and by the first light regulator and the second light
Two-way radiant light is filtered by actuator respectively and convergence processes so that photodetector is respectively
Detect the first preset wavelength scope and the radiant light of the second preset wavelength scope.According to light electrical resistivity survey
The first preset wavelength scope and the radiant light of the second preset wavelength scope that survey device collects are permissible
Obtain two groups of spectroscopic datas respectively, thus obtain two temperature values.Two temperature that contrast is obtained
Angle value chooses optimum as measurement result.For example, it is possible to by the weight comparing two temperature values
Renaturation, chooses repeatability preferably result as measurement result.Therefore, compared to existing mesh
Mark transient temperature measuring technology, the light splitting coupling device that the embodiment of the present invention provides is applied to mesh
When mark carries out transient radiation thermometric, it is possible to be effectively improved the standard of measured target transient temperature
Really property.
Further, target can also be sent by the light splitting coupling device that the embodiment of the present invention provides
Radiant light be divided into three roads or four tunnels, thus improve measured target transient temperature further
Accuracy.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing used required in embodiment will be briefly described, it should be apparent that, retouch below
Accompanying drawing in stating is only some embodiments of the present invention, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.Shown in accompanying drawing, above and other purpose, feature and the advantage of the present invention will more
Clearly.The part that reference instruction identical in whole accompanying drawings is identical.The most deliberately by real
Border size equal proportion scaling draws accompanying drawing, it is preferred that emphasis is illustrate the purport of the present invention.
Fig. 1 shows the structure of a kind of light splitting coupling device that first embodiment of the invention provides
Schematic diagram;
Fig. 2 shows the first of a kind of light splitting coupling device that second embodiment of the invention provides
Plant the structural representation of detailed description of the invention;
Fig. 3 shows the second of a kind of light splitting coupling device that second embodiment of the invention provides
Plant the structural representation of detailed description of the invention;
Fig. 4 shows the structure of a kind of light splitting coupling device that third embodiment of the invention provides
Schematic diagram.
In figure, reference is respectively as follows:
Light splitting coupling device 100;Target 101;First spectroscope 102;First completely reflecting mirror
103;First light filter 104;Second light filter 105;First coupled lens 106;Second coupling
Close lens 107;Image intensifier 108;Photodetector 109;Second spectroscope 111;Second
Completely reflecting mirror 112;3rd light filter 113;3rd coupled lens 114;3rd spectroscope 121;
3rd completely reflecting mirror 122;4th light filter 123;4th coupled lens 124.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
Be fully described by, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.Generally herein described in accompanying drawing and the assembly of the embodiment of the present invention that illustrates
Can arrange with various different configurations and design.
Therefore, detailed description not purport to the embodiments of the invention provided in the accompanying drawings below
Limit the scope of claimed invention, but be merely representative of the selected enforcement of the present invention
Example.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under work premise, broadly falls into the scope of protection of the invention.
It should also be noted that similar label and letter expression similar terms in following accompanying drawing, therefore,
The most a certain Xiang Yi accompanying drawing is defined, then need not it is carried out in accompanying drawing subsequently
Definition and explanation further.
In describing the invention, it should be noted that term " first ", " second ", "
Three ", " the 4th " etc. is only used for distinguishing and describes, and it is not intended that instruction or imply relatively important
Property.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clear and definite regulation and limit
Fixed, term " is arranged ", " coupling " should be interpreted broadly, and such as, " coupling " can be direct light
Coupling, it is also possible to coupled by intermediary indirect light.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
First embodiment
As it is shown in figure 1, embodiments provide a kind of light splitting coupling device 100, it is used for
Target 101 is carried out transient radiation thermometric.Described light splitting coupling device 100 includes the first light splitting
Mirror the 102, first completely reflecting mirror the 103, first light regulator, the second light regulator and photoelectricity
Detector 109.Wherein, the first light regulator includes the first light filter 104 and the first coupling thoroughly
Mirror 106, the second light regulator includes the second light filter 105 and the second coupled lens 107.
Target 101 will produce heat radiation during blast or Laser shock loading etc., by measuring mesh
The radiant flux of mark 101, i.e. can obtain target 101 by Planck blackbody radiation law
Transient temperature value.
Concrete, the radiant light that target 101 sends incides the first spectroscope 102, a part
Described radiant light reflexes to the first light regulator through the first spectroscope 102, spoke described in another part
Penetrate light transmission the first spectroscope 102 and incide described first completely reflecting mirror 103.Incide first
The radiant light of light regulator, is processed as the light of the first preset wavelength scope through the first light filter 104
Shu Hou, is converged to photodetector 109 by the first coupled lens 106.Incide first to be all-trans
The described radiant light penetrating mirror 103 reflexes to the second light regulator through the first completely reflecting mirror 103.Enter
It is mapped to the radiant light of the second light regulator, is processed as the second preset wavelength through the second light filter 105
After the light beam of scope, the second coupled lens 107 converge to photodetector 109.
Wherein, the first preset wavelength scope is determined by the service band of the first light filter 104, the
Two preset wavelength scopes are determined by the service band of the second light filter 105.Preferably, first is pre-
If wave-length coverage is not quite similar with the second preset wavelength scope.First light filter 104 and the second filter
Light device 105 can be optical filter, it is also possible to the light filter made for gas or solution.Preferably,
In the present embodiment, the first light filter 104 and the second light filter 105 are bandpass filter, the
The service band of one light filter 104 and the service band of the second light filter 105 are different.Such as,
When the wavelength band of the radiant light that target 101 sends is in the range of visible-infrared band, the
The service band of one light filter 104 and the service band of the second light filter 105 are all visible-red
In outer wavelength band, wherein, the service band of the first light filter 104 and the second light filter 105
Service band can have overlap.
In the present embodiment, the first spectroscope 102 is divided into two bundles for radiant light target sent
Light.Radiant light and the radiant light reflected by the first spectroscope 102 through the first spectroscope 102
Energy determine than by the ratio of the transmitance of the first specifically used spectroscope 102 and reflectance.
Such as, the first spectroscope 102 can be High Resistivity Si sheet, semi-transparent semi-reflecting lens etc..Preferably, thoroughly
Cross the radiant light of the first spectroscope 102 and the energy of the radiant light reflected by the first spectroscope 102
Equal, the transmitance of the i.e. first spectroscope 102 is preferably 1:1 with the ratio of reflectance.
First coupled lens 106 and the second coupled lens 107 are and have the saturating of convergence function
Mirror.First coupled lens 106 and the second coupled lens 107 can be spherical lens, it is also possible to
For non-spherical lens.Such as, the first coupled lens 106 and the second coupled lens 107 can be
Convex lens or there is the battery of lens of achromatism function.
In the present embodiment, photodetector 109 includes many sub-detectors, and the plurality of son
The service band of detector is not quite similar.One sub-detector and a light regulator are corresponding,
And the service band of the light filter in the corresponding light regulator of the service band of sub-detector
Match.Preferably, photodetector 109 is charge-coupled image sensor (Charge-coupled
Device, CCD) detector array.It is of course also possible to use other photodetector.CCD
Detector array can be divided into by service band: Visible-light CCD detector array, infrared CCD
Detector array and ultraviolet ccd detector array.Therefore, when the radiation that target 101 sends
When the wavelength band of light is in the range of visible-infrared band, the CCD detection that the present embodiment uses
Device array includes Visible-light CCD detector array and infrared CCD detector array.Such as,
The service band of Visible-light CCD detector array can be 400~1000nm, infrared CCD
The service band of detector array can be 700~1000nm, 1000~3000nm etc..
Further, in order to improve the radiant flux that photodetector 109 collects, in order to
The acquisition of the transient temperature of target 101, the light splitting coupling device 100 that the embodiment of the present invention provides
Also include image intensifier 108.Image intensifier 108 is for exporting the first coupled lens 106
The radiant light of the first preset wavelength scope and the output of the second coupled lens 107 second preset ripple
The radiant light of long scope amplifies.
Concrete, image intensifier 108 is arranged on described first light regulator and described photodetection
Light between device 109 and between the second light regulator and described photodetector 109 propagates road
In footpath.Now, incide the described radiant light of the first light regulator, through the first light filter 104
Converged to as increasing by the first coupled lens 106 after being processed as the light beam of the first preset wavelength scope
Strong device 108, incides photodetector 109 after image intensifier 108 amplifies.In like manner, enter
It is mapped to the described radiant light of the second light regulator, is processed as second through the second light filter 105 and presets
Image intensifier 108 is converged to by the second coupled lens 107, through as increasing after the light beam of wave-length coverage
Strong device 108 incides photodetector 109 after amplifying.
The radiant light that target 101 sends is divided into two-way by the first spectroscope 102 by the present embodiment
Light beam.Photodetector 109 separately detects the first preset wavelength scope and the second preset wavelength
The radiant light of scope.Such that it is able to the first preset wavelength collected according to photodetector 109
The radiant light of scope and the second preset wavelength scope obtains two groups of spectroscopic datas respectively, thus obtains
Two temperature values.Two temperature values that contrast is obtained choose optimum as measurement result.Example
As, repeatability preferably result conduct can be chosen by comparing the repeatability of two temperature values
Measurement result.Therefore, compared to existing target 101 transient temperature measuring technology, the present invention
The light splitting coupling device 100 that embodiment provides is applied to target 101 is carried out transient radiation thermometric
Time, it is possible to it is effectively improved the accuracy of measured target 101 transient temperature.
Second embodiment
As in figure 2 it is shown, embodiments provide a kind of light splitting coupling device 100, it is used for
Target 101 is carried out transient radiation thermometric.Described light splitting coupling device 100 is except including first
Spectroscope the 102, first completely reflecting mirror the 103, first light regulator, the second light regulator, as
Outside booster 108 and photodetector 109, also include that the second spectroscope 111, second is complete
Reflecting mirror 112 and the 3rd light regulator.Wherein, the first light regulator includes the first light filter
104 and first coupled lens 106;Second light regulator includes the second light filter 105 and second
Coupled lens 107;3rd light regulator includes the 3rd light filter 113 and the 3rd coupled lens
114。
In the present embodiment, the first spectroscope 102 is divided into two bundles for radiant light target sent
Light, and the second spectroscope 111 is for being divided into two bundles by the radiant light that the first spectroscope 102 reflects
Light.Through spectroscopical radiant light with by the energy ratio of the radiant light of dichroic mirror by specifically making
The ratio of spectroscopical transmitance and reflectance determine.Such as, the first spectroscope 102 and
Two spectroscopes 111 can be all High Resistivity Si sheet, semi-transparent semi-reflecting lens etc..Preferably, by first point
The energy that energy is the radiant light through the first spectroscope 102 of the radiant light of light microscopic 102 reflection
Twice, the transmitance of the i.e. first spectroscope 102 is preferably 1:2 with the ratio of reflectance;And it is saturating
Cross the radiant light of the energy of the radiant light of the second spectroscope 111 and the reflection of the second spectroscope 111
Energy is equal, and the transmitance of the i.e. second spectroscope 111 is preferably 1:1 with the ratio of reflectance.
First light filter the 104, second light filter 105 and the 3rd light filter 113 can be all filter
Mating plate, it is also possible to the light filter made for gas or solution.Preferably, in the present embodiment, the
One light filter the 104, second light filter 105 and the 3rd light filter 113 are bandpass filter,
And first light filter the 104, second light filter 105 and the 3rd light filter 113 service band not
With.Such as, the wavelength band of the radiant light sent when target 101 is visible-infrared band model
When enclosing interior, the operation wavelength of the first light filter 104, the service band of the second light filter 105 and
The service band of the 3rd light filter 113 is all in the range of visible-infrared band, wherein, and first
The service band of light filter 104, the service band of the second light filter 105 and the 3rd light filter
The service band of 113 can have overlap.
First coupled lens the 106, second coupled lens 107 and the 3rd coupled lens 114 are
There are the lens of convergence function, can be spherical lens, it is also possible to for non-spherical lens.Such as,
First coupled lens the 106, second coupled lens 107 and the 3rd coupled lens 114 can be convex
Lens or there is the battery of lens of achromatism function.
In the present embodiment, photodetector 109 includes many sub-detectors, and the plurality of son
The service band of detector is not quite similar.One sub-detector and a light regulator are corresponding,
And the operation wavelength of the light filter in the corresponding light regulator of the operation wavelength of sub-detector
Match.Preferably, photodetector 109 is charge-coupled image sensor (Charge-coupled
Device, CCD) detector array.It is of course also possible to use other photodetector.CCD
Detector array can be divided into by service band: Visible-light CCD detector array, infrared CCD
Detector array and ultraviolet ccd detector array.Therefore, when the radiation that target 101 sends
When the wavelength band of light is in the range of visible-infrared band, the CCD detection that the present embodiment uses
Device array includes Visible-light CCD detector array and infrared CCD detector array.Such as,
The service band of Visible-light CCD detector array can be 400~1000nm, infrared CCD
The service band of detector array can be 700~1000nm, 1000~3000nm etc..
Target 101 will produce heat radiation during blast or Laser shock loading etc., by measuring mesh
The radiant flux of mark 101, i.e. can obtain target 101 by Planck blackbody radiation law
Transient temperature value.Second spectroscope 111 can be arranged on the first spectroscope 102 and the first light
In propagation path of light between actuator, and when the second spectroscope 111 is arranged on the first spectroscope
Time in 102 and first propagation path of lights between light regulator, the light splitting coupling that the present embodiment provides
The specific works flow process of locking device 100 can be:
As in figure 2 it is shown, the radiant light that target 101 sends incides the first spectroscope 102, one
The described radiant light of part reflexes to the second spectroscope 111, another part through the first spectroscope 102
Described radiant light incides the first completely reflecting mirror 103 through the first spectroscope 102.Incide
The radiant light of two spectroscopes 111, a part incides the first light through the second spectroscope 111 to be adjusted
Joint device, another part reflexes to the second completely reflecting mirror 112 through the second spectroscope 111.
Incide the radiant light of the first completely reflecting mirror 103, reflex to through the first completely reflecting mirror 103
Second light regulator.Incide the radiant light of the second light regulator, through the second light filter 105
After being processed as the light beam of the second preset wavelength scope, the second coupled lens 107 converge to as increasing
Strong device 108, incides photodetector 109 after image intensifier 108 amplifies.
Incide the radiant light of the first light regulator, be processed as first through the first light filter 104 pre-
If after the light beam of wave-length coverage, the first coupled lens 106 converge to image intensifier 108, warp
Image intensifier 108 incides photodetector 109 after amplifying.
Incide the radiant light of the second completely reflecting mirror 112, reflex to through the second completely reflecting mirror 112
3rd light regulator.Incide the radiant light of the 3rd light regulator, at the 3rd light filter 113
After reason is the light beam of the 3rd preset wavelength scope, the 3rd coupled lens 114 converge to image intensifying
Device 108, incides photodetector 109 after image intensifier 108 amplifies.
Wherein, the first preset wavelength scope is determined by the service band of the first light filter 104, the
Two preset wavelength scopes are determined by the service band of the second light filter 105, the 3rd preset wavelength model
Enclose and determined by the service band of the 3rd light filter 113.First preset wavelength scope, second preset
Wave-length coverage and the 3rd preset wavelength scope are not quite similar.
Additionally, as it is shown on figure 3, the second spectroscope 111 can also be arranged on the first completely reflecting mirror
In 103 and second propagation path of lights between light regulator.When the second spectroscope 111 is arranged on
Time in propagation path of light between first completely reflecting mirror 103 and the second light regulator, the present embodiment
The specific works flow process of the light splitting coupling device 100 provided can also be:
The radiant light that target 101 sends incides the first spectroscope 102, a part of described radiation
Light reflexes to the first light regulator through the first spectroscope 102, and radiant light described in another part passes through
First spectroscope 102 incides described first completely reflecting mirror 103, through the first completely reflecting mirror 103
Reflex to the second spectroscope 111.Inciding the radiant light of the second spectroscope 111, a part is thoroughly
Crossing the second spectroscope 111 and incide the second light regulator, another part is through the second spectroscope 111
Reflex to the second completely reflecting mirror 112.
Incide the radiant light of the first light regulator, be processed as first through the first light filter 104 pre-
If after the light beam of wave-length coverage, the first coupled lens 106 converge to image intensifier 108, warp
Image intensifier 108 incides photodetector 109 after amplifying.
Incide the radiant light of the second light regulator, be processed as second through the second light filter 105 pre-
If after the light beam of wave-length coverage, the second coupled lens 107 converge to image intensifier 108, warp
Image intensifier 108 incides photodetector 109 after amplifying.
Incide the radiant light of the second completely reflecting mirror 112, reflex to through the second completely reflecting mirror 112
3rd light regulator.Incide the radiant light of the 3rd light regulator, at the 3rd light filter 113
After reason is the light beam of the 3rd preset wavelength scope, the 3rd coupled lens 114 converge to image intensifying
Device 108, incides photodetector 109 after image intensifier 108 amplifies.
The present embodiment passes through first spectroscope the 102, second spectroscope the 111, first completely reflecting mirror
103 and second completely reflecting mirror 112 radiant light that target 101 sends is divided into three road light beams.Light
Electric explorer 109 separately detects the first preset wavelength scope, the second preset wavelength scope and
The radiant light of three preset wavelength scopes, such that it is able to collect according to photodetector 109
The radiant light of one preset wavelength scope, the second preset wavelength scope and the 3rd preset wavelength scope divides
Do not obtain three groups of spectroscopic datas, thus obtain three temperature values.Three temperature that contrast is obtained
Value chooses optimum as measurement result.For example, it is possible to by the repetition comparing three temperature values
Property, choose repeatability preferably result as measurement result.Therefore, compared to existing target
101 transient temperature measuring technology, the light splitting coupling device 100 that the embodiment of the present invention provides is applied
When target 101 is carried out transient radiation thermometric, it is possible to be effectively improved measured target
The accuracy of 101 transient temperatures.
3rd embodiment
As shown in Figure 4, embodiments provide a kind of light splitting coupling device 100, be used for
Target 101 is carried out transient radiation thermometric.Described light splitting coupling device 100 is except including first
Spectroscope the 102, second spectroscope the 111, first completely reflecting mirror the 103, second completely reflecting mirror 112,
First light regulator, the second light regulator, the 3rd light regulator, image intensifier 108 and photoelectricity
Outside detector 109, also include the 3rd spectroscope the 121, the 3rd completely reflecting mirror 122 and the 4th
Light regulator.Wherein, the first light regulator includes the first light filter 104 and the first coupled lens
106;Second light regulator includes the second light filter 105 and the second coupled lens 107;3rd
Light regulator includes the 3rd light filter 113 and the 3rd coupled lens 114;4th light regulator bag
Include the 4th light filter 123 and the 4th coupled lens 124.
In the present embodiment, the first spectroscope 102 is divided into two bundles for radiant light target sent
Light.Second spectroscope 111 is for being divided into two-beam by the radiant light that the first spectroscope 102 reflects.
3rd spectroscope 121 is for being reflected by the first completely reflecting mirror 103 through after the first spectroscope 102
Radiant light be divided into two-beam.Through spectroscopical radiant light and by the radiant light of dichroic mirror
Energy determine than by the ratio of specifically used spectroscopical transmitance and reflectance.Such as,
One spectroscope the 102, second spectroscope 111 and the 3rd spectroscope 121 can be all High Resistivity Si sheet,
Semi-transparent semi-reflecting lens etc..Preferably, through the energy and first of radiant light of the first spectroscope 102
The energy of radiant light of spectroscope 102 reflection is equal, the transmitance of the i.e. first spectroscope 102 with
The ratio of reflectance is preferably 1:1;Energy and second through the radiant light of the second spectroscope 111
The energy of radiant light of spectroscope 111 reflection is equal, the transmitance of the i.e. second spectroscope 111 with
The ratio of reflectance is preferably 1:1;Energy and the 3rd through the radiant light of the 3rd spectroscope 121
The energy of radiant light of spectroscope 121 reflection is equal, the transmitance of the i.e. the 3rd spectroscope 121 with
The ratio of reflectance is preferably 1:1.
First light filter the 104, second light filter the 105, the 3rd light filter 113 and the 4th filters
Device 123 can be all optical filter, it is also possible to the light filter made for gas or solution.This enforcement
In example, it is preferred that in the present embodiment, first light filter the 104, second light filter 105,
Three light filters 113 and the 4th light filter 123 are bandpass filter, and the first light filter 104,
The service band of the second light filter the 105, the 3rd light filter 113 and the 4th light filter 123 is different.
Such as, in the range of the wavelength band of the radiant light sent when target 101 is visible-infrared band
Time, the service band of the first light filter 104, the service band of the second light filter 105, the 3rd
The service band of light filter 113 and the service band of the 4th light filter 123 are all visible-infrared
In wavelength band, wherein, the service band of the first light filter 104, the second light filter 105
Service band, the service band of the 3rd light filter 113 and the operating wave of the 4th light filter 123
Section can have overlap.
First coupled lens the 106, second coupled lens 107, the 3rd coupled lens 114 and
Four coupled lens 124 are the lens with convergence function, can be spherical lens, it is also possible to
For non-spherical lens.Such as, first coupled lens the 106, second coupled lens the 107, the 3rd
Coupled lens 114 and the 4th coupled lens 124 can be convex lens or have achromatism function
Battery of lens.
In the present embodiment, photodetector 109 includes many sub-detectors, and the plurality of son
The service band of detector is not quite similar.One sub-detector and a light regulator are corresponding,
And the operation wavelength of the light filter in the corresponding light regulator of the operation wavelength of sub-detector
Match.Preferably, photodetector 109 is charge-coupled image sensor (Charge-coupled
Device, CCD) detector array.It is of course also possible to use other photodetector.CCD
Detector array can be divided into by service band: Visible-light CCD detector array, infrared CCD
Detector array and ultraviolet ccd detector array.Therefore, when the radiation that target 101 sends
When the wavelength band of light is in the range of visible-infrared band, the CCD detection that the present embodiment uses
Device array includes Visible-light CCD detector array and infrared CCD detector array.Such as,
The service band of Visible-light CCD detector array can be 400~1000nm, infrared CCD
The service band of detector array can be 700~1000nm, 1000~3000nm etc..
Target 101 will produce heat radiation during blast or Laser shock loading etc., by measuring mesh
The radiant flux of mark 101, i.e. can obtain target 101 by Planck blackbody radiation law
Transient temperature value.In the present embodiment, the second spectroscope 111 is arranged on the first spectroscope 102
With in the propagation path of light that first between light regulator, it is complete that the 3rd spectroscope 121 is arranged on first
Time in propagation path of light between reflecting mirror 103 and the second light regulator.Now, the present embodiment
The specific works flow process of the light splitting coupling device 100 provided can be:
As shown in Figure 4, the radiant light that target 101 sends incides the first spectroscope 102, and one
The described radiant light of part reflexes to the second spectroscope 111, another part through the first spectroscope 102
Described radiant light incides described first completely reflecting mirror 103 and by institute through the first spectroscope 102
State completely reflecting mirror and reflex to the 3rd spectroscope 121.Incide the radiant light of the second spectroscope 111,
A part incides the first light regulator through the second spectroscope 111, and another part is through described the
Two spectroscopes 111 reflex to the second completely reflecting mirror 112.Incide the spoke of the 3rd spectroscope 121
Penetrating light, a part incides the second light regulator, another part warp through the 3rd spectroscope 121
Described second spectroscope 111 reflexes to the 3rd completely reflecting mirror 122.
Incide the radiant light of the first light regulator, be processed as first through the first light filter 104 pre-
If after the light beam of wave-length coverage, the first coupled lens 106 converge to image intensifier 108, warp
Image intensifier 108 incides photodetector 109 after amplifying.
Incide the radiant light of the second completely reflecting mirror 112, reflex to through the second completely reflecting mirror 112
3rd light regulator.Incide the radiant light of the 3rd light regulator, at the 3rd light filter 113
After reason is the light beam of the 3rd preset wavelength scope, the 3rd coupled lens 114 converge to image intensifying
Device 108, incides photodetector 109 after image intensifier 108 amplifies.
Incide the radiant light of the second light regulator, be processed as second through the second light filter 105 pre-
If after the light beam of wave-length coverage, the second coupled lens 107 converge to image intensifier 108, warp
Image intensifier 108 incides photodetector 109 after amplifying.
Incide the radiant light of the 3rd completely reflecting mirror 122, reflex to through the 3rd completely reflecting mirror 122
4th light regulator.Incide the radiant light of the 4th light regulator, through the 4th light filter 123
After being processed as the light beam of the 4th preset wavelength scope, the 4th coupled lens 124 converge to as increasing
Strong device 108, incides photodetector 109 after image intensifier 108 amplifies.
Wherein, the first preset wavelength scope is determined by the service band of the first light filter 104, the
Two preset wavelength scopes are determined by the service band of the second light filter 105, the 3rd preset wavelength model
Enclosing and determined by the service band of the 3rd light filter 113, the 4th preset wavelength scope is filtered by the 4th
The service band of device 123 determines.First preset wavelength scope, the second preset wavelength scope,
Three preset wavelength scopes and the 4th preset wavelength scope are not quite similar.
The present embodiment by first spectroscope the 102, second spectroscope the 111, the 3rd spectroscope 121,
First completely reflecting mirror the 103, second completely reflecting mirror 112 and the 3rd completely reflecting mirror 122 are by target 101
The radiant light sent is divided into four road light beams.Photodetector 109 separately detects first and presets ripple
Long scope, the second preset wavelength scope, the 3rd preset wavelength scope and the 4th preset wavelength scope
Radiant light.Such that it is able to the first preset wavelength model collected according to photodetector 109
Enclose, the second preset wavelength scope, the 3rd preset wavelength scope and the spoke of the 4th preset wavelength scope
Penetrate light and obtain four groups of spectroscopic datas respectively, thus obtain four temperature values.Contrast four obtained
Individual temperature value chooses optimum as measurement result.For example, it is possible to by comparing four temperature values
Repeatability, choose repeatability preferably result as measurement result.Therefore, compared to existing
Target 101 transient temperature measuring technology, the embodiment of the present invention provide light splitting coupling device
100 when being applied to that target 101 is carried out transient radiation thermometric, it is possible to is effectively improved measured
The accuracy of target 101 transient temperature.
In sum, the light splitting coupling device 100 that the embodiment of the present invention provides is by target 101
The radiant light sent is divided into multichannel light beam, and then can be by contrast according to the acquisition of multichannel light beam
Temperature value, therefrom chooses optimum as measurement result.Therefore, compared to existing target
101 transient temperature measuring technology, the light splitting coupling device 100 that the embodiment of the present invention provides is applied
When target 101 is carried out transient radiation thermometric, it is possible to be effectively improved measured target
The accuracy of 101 transient temperatures.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention,
For a person skilled in the art, the present invention can have various modifications and variations.All at this
Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, all should
Within being included in protection scope of the present invention.
Claims (10)
1. a light splitting coupling device, it is characterised in that include the first spectroscope, first be all-trans
Penetrate mirror, the first light regulator, the second light regulator and photodetector,
The radiant light that target sends incides described first spectroscope, a part of described radiant light warp
Described first dichroic mirror, to described first light regulator, processes through described first light regulator
It is the light beam of the first preset wavelength scope and converges to described photodetector;Described in another part
Radiant light incides described first completely reflecting mirror through described first spectroscope, through described first complete
Incide described second light regulator after reflecting mirror reflection, be processed as through described second light regulator
The light beam of the second preset wavelength scope also converges to described photodetector.
Device the most according to claim 1, it is characterised in that also include image intensifier,
Described image intensifier is arranged between described first light regulator and described photodetector and institute
State in the propagation path of light between the second light regulator and described photodetector.
Device the most according to claim 2, it is characterised in that also include the second spectroscope,
Second completely reflecting mirror and the 3rd light regulator, the described radiation after described first dichroic mirror
Light incides described second spectroscope, and a part of described radiant light enters through described second spectroscope
Being mapped to described first light regulator, described in another part, radiant light is through described second dichroic mirror
After be processed as the light beam of the 3rd preset wavelength scope by described 3rd light regulator and converged to institute
State image intensifier.
Device the most according to claim 3, it is characterised in that described first preset wavelength
Scope, described second preset wavelength scope and described 3rd preset wavelength scope are not quite similar.
Device the most according to claim 3, it is characterised in that also include the 3rd spectroscope,
3rd completely reflecting mirror and the 4th light regulator, incide the described radiation of described first completely reflecting mirror
Light incides described 3rd spectroscope after described first completely reflecting mirror reflection, and a part incides
Described 3rd spectroscopical described radiant light incides described second through described 3rd spectroscope
Light regulator, another part incides described 3rd spectroscopical described radiant light through the described 3rd
It is processed as the light beam of the 4th preset wavelength scope by described 4th light regulator after dichroic mirror
And converge to described image intensifier.
Device the most according to claim 5, it is characterised in that described first preset wavelength
Scope, described second preset wavelength scope, described 3rd preset wavelength scope and described 4th pre-
If wave-length coverage is not quite similar.
Device the most according to claim 2, it is characterised in that also include the second spectroscope,
Second completely reflecting mirror, the 3rd light regulator, incide the described radiation of described first completely reflecting mirror
Light incides described second spectroscope after described first completely reflecting mirror reflection, and a part incides
Described second spectroscopical described radiant light incides described first through described second spectroscope
Light regulator, another part incides described second spectroscopical described radiant light through described second
It is processed as the light beam of the 3rd preset wavelength scope by described 3rd light regulator after dichroic mirror
And converge to described image intensifier.
Device the most according to claim 1 and 2, it is characterised in that described first presets
Wave-length coverage is not quite similar with described second preset wavelength scope.
Device the most according to claim 1, it is characterised in that described photodetector bag
Include many sub-detectors, and the service band of the plurality of sub-detector is not quite similar.
Device the most according to claim 9, it is characterised in that described photodetector
For ccd detector array.
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CN106679819A (en) * | 2016-12-30 | 2017-05-17 | 中国工程物理研究院流体物理研究所 | Transient temperature field measuring method and device |
CN107741275A (en) * | 2017-10-26 | 2018-02-27 | 中国科学院地理科学与资源研究所 | A kind of multi-optical spectrum imaging system |
CN112676697A (en) * | 2020-12-31 | 2021-04-20 | 苏州科韵激光科技有限公司 | Laser repair optical system and laser repair equipment of display panel |
CN107741275B (en) * | 2017-10-26 | 2024-05-17 | 中国科学院地理科学与资源研究所 | Multispectral imaging system |
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CN102495473A (en) * | 2011-11-15 | 2012-06-13 | 天津理工大学 | Visible light and infrared light splitting system |
CN102538983A (en) * | 2011-12-20 | 2012-07-04 | 合肥金星机电科技发展有限公司 | CCD (Charge Coupled Device) temperature measuring device |
CN103868859A (en) * | 2014-03-04 | 2014-06-18 | 中国空间技术研究院 | Electric arc metal vapor concentration measuring system based on CCD (Charge-coupled Device) imaging |
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CN112676697A (en) * | 2020-12-31 | 2021-04-20 | 苏州科韵激光科技有限公司 | Laser repair optical system and laser repair equipment of display panel |
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