CN107250743A - Beam uniformity mechanism, lamp optical system, light receiving optical system, reference optical system and colour meter - Google Patents
Beam uniformity mechanism, lamp optical system, light receiving optical system, reference optical system and colour meter Download PDFInfo
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- CN107250743A CN107250743A CN201680010998.0A CN201680010998A CN107250743A CN 107250743 A CN107250743 A CN 107250743A CN 201680010998 A CN201680010998 A CN 201680010998A CN 107250743 A CN107250743 A CN 107250743A
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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
- G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
-
- 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
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The present invention relates to beam uniformity mechanism, lamp optical system, light receiving optical system, reference optical system and colour meter, Bu Shi beam uniformities mechanism becomes expensive, and the uniformity of the reflectivity for the diffusion reflecting surface that beam uniformity mechanism has is improved, improve the reflectivity for the diffusion reflecting surface that beam uniformity mechanism has.Integrating sphere possesses base material and envelope.Space is formed with base material.The inner surface regulation space of base material.Base material is made up of white resin, the reflected beams.Envelope is by the way that transparent antiglossing pigment is coated on formed by the inner surface of base material, makes beam diffusion.
Description
Technical field
The present invention relates to beam uniformity mechanism, lamp optical system, light receiving optical system, reference optical system and colour examining
Meter.
Background technology
Colorimeter is used for the color for quantitatively determining industrial products, food etc..In colorimeter, the illuminated light of sample
The light beam of beam lighting, the light beam for determining the reflected light reflected by sample or the transmitted light for having transmitted sample, is tied according to determining
Fruit seeks color-values.In colorimeter, there is a situation where that light beam, light beam of reflected light of illumination light etc. are integrated ball homogenization.Example
Such as in 8 ° of directional lighting (8 ° of light of diffusion：D) in geometry, the light beam of illumination light is from the normal with sample face into 8 °
Direction is incident upon sample face, and the light beam of the reflected light projected from sample towards all directions is integrated ball homogenization, and is drawn
It is directed at by optical sensor.In addition, illuminating 8 ° of direction light (d in diffusion：8 °) geometry in, the light beam of illumination light is accumulated
Bulb separation homogenize simultaneously be incident upon sample face from all directions, from sample towards the normal with sample face into 8 ° direction project
The light beam of reflected light is directed to by optical sensor.
Spherical space is formed with making the integrating sphere of beam uniformity.The inner surface of the integrating sphere in the spherical space of regulation
Diffusion reflecting surface as white.Thus, light beam is incident upon spherical space, is integrated during being propagated in spherical space
The inner surface diffusion multipath reflection of ball, is projected from spherical space.The light beam projected from spherical space is multiple anti-by diffusing
Penetrate and be homogenized.
The skill of the diffusion reflecting surface for the inner surface of integrating sphere to be formed as to white has been recorded in patent document 1,2
Art.
In the technology described in patent document 1, applied by the delustring of the inner surface application white of the base material in integrating sphere
Expect and form envelope.The surface of envelope turns into diffusion reflecting surface.
In the technology described in patent document 2, integrating sphere is made up of the porous material of white.In integrating sphere by porous
In the case that material is constituted, the base material of bulk is made by the way that powdered raw material are compressed with shaping, and by right
The shape of block base material is machined to make the integrating sphere with target shape.Machining carries out changing for shape
Become.Turn into diffusion reflecting surface by being machined the inner surface of the integrating sphere made.
Patent document 1：No. 3764364 specifications of U.S. Patent No.
Patent document 2：Japanese Unexamined Patent Publication 5-118911 publications
In the case where forming envelope by coating process, envelope thickeies, and the difference of the thickness of envelope increases
Greatly.Therefore, in the technology described in patent document 1, in the case where having thickeied envelope, the difference increase of the thickness of envelope,
The difference increase of the reflectivity of reflecting surface is diffused, makes the ability reduction of the beam uniformity of integrating sphere or makes the light of integrating sphere
The individual difference increase of the ability of beam homogenization.Conversely, in the case where being thinned envelope, the reflectivity of diffusion reflecting surface reduces,
Integrating sphere efficiency is reduced.In the technology described in patent document 2, integrating sphere is made up of expensive porous material, therefore product
Bulb separation becomes expensive.Above mentioned problem can also be produced in the beam uniformity mechanism beyond integrating sphere.
The content of the invention
The invention recorded below completes to solve the above problems.The invention problem to be solved recorded below
It is, Bu Shi beam uniformities mechanism becomes expensive, and improves the reflectivity for the diffusion reflecting surface that beam uniformity mechanism has
Uniformity, improve the reflectivity for the diffusion reflecting surface that beam uniformity mechanism has.
Beam uniformity mechanism possesses base material and envelope.Space is formed with base material.The inner surface regulation space of base material.
Base material is made up of white resin, the reflected beams.Envelope be by transparent antiglossing pigment is coated on to the inner surface of base material and shape
Into, make beam diffusion.
So as to which Bu Shi beam uniformities mechanism becomes expensive, and improves the diffusion reflecting surface that beam uniformity mechanism has
Reflectivity uniformity, improve the reflectivity for the diffusion reflecting surface that beam uniformity mechanism has.
Brief description of the drawings
Fig. 1 is the schematic diagram for representing colorimeter.
Fig. 2 is the sectional view for representing measuring means.
Fig. 3 is the sectional view for representing light beam separating mechanism and the light mechanism with reference to light.
Fig. 4 is the sectional view for the light mechanism for representing integrating sphere and reflected light.
Fig. 5 is the sectional view for the light mechanism for representing integrating sphere and reflected light.
Fig. 6 is the sectional view for the other examples for representing measuring means.
Fig. 7 be represent light beam separating mechanism and with reference to light light mechanism other examples sectional view.
Fig. 8 is the sectional view for representing integrating sphere.
Fig. 9 is the chart for representing spectral reflectance and equivalent function (equivalent function).
Figure 10 is the chart for representing spectral reflectance.
Figure 11 is the chart for representing spectral reflectance.
Figure 12 is the chart for representing spectral reflectance.
Figure 13 is the chart for representing spectral reflectance.
Figure 14 is the sectional view for representing to determine head.
Figure 15 is the sectional view for representing to determine the other examples of head.
Figure 16 is the sectional view for representing lighting mechanism.
Figure 17 is the sectional view for representing lighting mechanism.
Embodiment
(1) summary
Fig. 1 schematic diagram represents colorimeter.Fig. 2 schematic diagram represents to constitute the longitudinal section of the measuring means of colorimeter.Fig. 3
Schematic diagram represent to constitute the light beam separating mechanism of colorimeter and the section of light mechanism with reference to light.Fig. 4's and Fig. 5
Schematic diagram represents to constitute the section of the light mechanism of the integrating sphere of colorimeter and reflected light.Fig. 5 enlarged representations reflected light is used
Light mechanism vicinity.
Colorimeter 1000 shown in Fig. 1 possesses measuring means 1010 and controller 1011.As shown in Figure 1 and Figure 2, survey
Determine mechanism 1010 possess lighting mechanism 1020, integrating sphere 1021, the light mechanism 1022 of reflected light and with reference to light by
Ray machine structure 1023.Lighting mechanism 1020 possesses radiation mechanism 1030, light beam separating mechanism 1031 and imaging optical system 1032.
Radiate mechanism 1030 and imaging optical system 1032 constitutes lamp optical system.Light beam separating mechanism 1031 and with reference to light use
Light mechanism 1023 constitute with reference to optical system.The light mechanism 1022 of integrating sphere 1021 and reflected light constitutes light light
System.
Radiate the radiation diffusion light beam of mechanism 1030.Diffusion light beam is the light beam for being diffused reflection and being homogenized, preferably
The light beam being homogenized by diffusion multipath reflection.The diffusion light beam radiated is separated into illumination light by light beam separating mechanism 1031
Light beam 1041 and the light beam 1042 with reference to light.Imaging optical system 1032 is imaged the light beam 1041 of illumination light.Thus, illuminate
Mechanism 1020 illuminates sample using the light beam 1041 of illumination light.
Integrating sphere 1021 diffuses the light beam 1043 of the reflected light reflected by sample the light of the back reflected laser of reflection
Mechanism 1022 is guided.The light mechanism 1022 of reflected light receives the light beam 1043 of reflected light, and the tristimulus of output reflection light
Value X, Y, Z measurement result.Receive the light beam 1042 of reference light with reference to the light mechanism 1023 of light, and export the three of reference light
Values X, Y, Z measurement result.Thus, tristimulus values X, Y, Z of the output reflection light of measuring means 1010 measurement result with
And the measurement result of tristimulus values X, Y, Z with reference to light.
The radiation of the diffusion light beam of the control radiation of controller 1011 mechanism 1030.In addition, controller 1011 obtains reflected light
Tristimulus values X, Y, Z measurement result and the measurement result of tristimulus values X, Y, Z with reference to light, and according to the three of reflected light
Values X, Y, Z measurement result export color-values.In the case where color-values are exported, carry out based on the tristimulus with reference to light
The amendment of value X, Y, Z measurement result.Thus, color-values are not easily susceptible to the influence of the variation of illumination light.
(2) mechanism is radiated
Radiation mechanism 1030 possesses xenon flash lamp 1050, reflecting umbrella 1051 and diffusing panel 1052.Xenon flash lamp 1050 is put
Irradiating light beam.Reflecting umbrella 1051 diffuses the reflected beams.Diffusing panel 1052 makes beam diffusion and is formed as diffusing light beam.
The scintillation of xenon flash lamp 1050.In the case where flash of light is by radiation, sample is illuminated by big light quantity in a short time,
So as to improve the signal to noise ratio of measure.Xenon flash lamp 1050 can also be replaced as other kinds of light source.For example, xenon flash lamp 1050
Tungsten lamp, light emitting diode etc. can also be replaced as.
Reflecting umbrella 1051 has diffusion reflecting surface 1060.Reflecting umbrella 1051 can also be replaced as with the shape for being difficult to referred to as umbrella
The speculum of shape.
In the case of the radiotherapy beam of xenon flash lamp 1050, the light beam radiated towards diffusing panel 1052 is overflow by diffusing panel 1052
Penetrate, and be formed as diffusing light beam.In addition, the light beam radiated towards diffusion reflecting surface 1060 is diffused instead by diffusion reflecting surface 1060
Penetrate, and be formed as diffusing light beam, the light beam projected from diffusion reflecting surface 1060 towards diffusing panel 1052 is diffused by diffusing panel 1052,
And be formed as the diffusion light beam that is further homogenized.Thereby, it is possible to the light beam efficiently radiated using xenon flash lamp 1050.
Xenon flash lamp 1050 is discharge lamp.In the discharge lamp, the path of electric discharge is different in the radiation of each flash of light, therefore
The radioactive source of flash of light is different in the radiation of each flash of light.In radiation mechanism 1030, the light beam quilt that xenon flash lamp 1050 is radiated
The diffusion diffusion of reflecting surface 1060 is reflected and diffused by diffusing panel 1052, therefore diffusion light beam is not easily susceptible to the shadow of the radioactive source of flash of light
Ring.
(3) light beam separating mechanism
As shown in FIG. 2 and 3, light beam separating mechanism 1031 possesses rib barrel-shaped structure thing 1070 and installing mechanism
1071。
The space 1080 for being formed at rib barrel-shaped structure thing 1070 provided by the inner peripheral surface 1090 of rib barrel-shaped structure thing 1070,
One end has entry portal 1100, has exit wound of bullet 1101 in the other end.Space 1080 with the optical axis side that is represented by arrow 1110
Rectangle is shaped as to vertical section, even if also constant along optical axis direction.Space 1080 extends straight along optical axis direction, and from
Entry portal 1100 reaches exit wound of bullet 1101.Situation about extending straight in the constant shape in the section in space 1080 and space 1080
Under, the entirety of exit wound of bullet 1101 is seen through from entry portal 1100.Seen through in the entirety of exit wound of bullet 1101 from entry portal 1100
In the case of, exist and be incident upon entry portal 1100, do not advanced reflectingly in space 1080 by inner peripheral surface 1090, and from exit wound of bullet
1101 light beams projected.In the case where the shape in the section in space 1080 is non-constant or feelings that space 1080 does not extend straight
Under condition, the entirety that there is a situation where exit wound of bullet 1101 can not be seen through from entry portal 1100.But, at one of exit wound of bullet 1101
Point from the case that entry portal 1100 is seen through, there is also entry portal 1100 is incident upon, not by inner peripheral surface 1090 reflectingly in sky
Between advance in 1080, and the light beam projected from exit wound of bullet 1101.One position is seen through from other positions to be referred to linking one
The shelter of light is not present on the straight line of position and other positions, light directly reaches a position from other positions.
Inner peripheral surface 1090 has diffusion reflecting surface 1120.It is preferred that the generally diffusion reflecting surface 1120 of inner peripheral surface 1090, but
It is not the face for diffusing reflecting surface 1120 that inner peripheral surface 1090 can also have on a small quantity.
Be formed at rib barrel-shaped structure thing 1070 opening 1130,1131,1132 respectively at one end have entrance 1140,
1141st, 1142, there is outlet 1150,1151,1152 in the other end respectively, and from the inner peripheral surface 1090 of rib barrel-shaped structure thing 1070
Reach the outer peripheral face 1091 of rib barrel-shaped structure thing 1070.Entrance 1140,1141,1142 is located at inner peripheral surface 1090.Outlet 1150,
1151st, 1152 are located at outer peripheral face 1091.Diffusion reflecting surface 1120 is seen through respectively from outlet 1150,1151,1152.Opening
1130th, 1131,1132 extend along the direction vertical with optical axis direction.Reflecting surface 1120 is being diffused from outlet 1150,1151,1152
In the case of being seen through respectively, exist and be incident upon entry portal 1100, advanced in space 1080, the phase advanced in space 1080
Between reflection is diffused by diffusion reflecting surface 1120, be incident upon entrance 1140,1141,1142, in opening 1130,1131,1132 row
Enter, the light beam projected from outlet 1150,1151,1152.Opening 1130,1131,1132 can also be replaced as connection opening
1130th, the opening of 1131,1132 slit-shaped.
The diffused light beam that radiation mechanism 1030 is radiated is incident upon entry portal 1100.Entry portal 1100 is incident upon in diffused light beam
In the case of, the light beam advanced along the direction for seeing through exit wound of bullet 1101 is not diffused reflectingly in space by diffusion reflecting surface 1120
Advance, projected from exit wound of bullet 1101 in 1080, and the light beam 1041 as illumination light.In addition, along the side for seeing through exit wound of bullet 1101
The light beam that direction beyond is advanced is advanced in space 1080, by diffusion reflecting surface 1120 during being advanced in space 1080
Diffusion reflection, be incident upon entrance 1140,1141,1142, in opening 1130,1131,1132 advance, from outlet 1150,1151,
1152 project, and as the light beam 1042 with reference to light.The light beam that the direction seen through on edge beyond the direction of exit wound of bullet 1101 is advanced
In the case of the light beam 1042 with reference to light, it is impossible to which the light beam of the light beam 1041 as illumination light turns into the light beam with reference to light
1042, so as to not obtain the light beam 1042 with reference to light influence is not given on the light quantity of the light beam 1041 of illumination light.
Entry portal 1100 is incident upon, is advanced in space 1080, by diffusion reflecting surface during being advanced in space 1080
1120 diffusion reflections, the light beam projected from exit wound of bullet 1101 can also turn into a part for the light beam 1041 of illumination light.Thus, change
The kind signal to noise ratio determined.
Entry portal 1100 is not seen through from outlet 1150,1151,1152.Entry portal 1100 not from outlet 1150,1151,
In the case that 1152 are seen through, light beam directly reaches outlet 1150,1151,1152 not from entry portal 1100, so that with reference to light
Light beam 1042 is homogenized.
In the case of it is desirable that increasing the light quantity with reference to the light beam 1042 of light, in order to increase from outlet 1150,1151,1152
The area for the diffusion reflecting surface 1120 seen through, and space 1080 is extended along optical axis direction, come enlarged openings 1130,1131,
1132 diameter.Thus, the signal to noise ratio determined is improved.With reference to the light quantity and the area and sky of entry portal 1100 of the light beam 1042 of light
Between 1080 optical axis direction length product it is proportional, therefore in the absence of in order to increase with reference to light light beam 1042 light quantity and incite somebody to action
The situation that lighting mechanism 1020 excessively increases.
Rib barrel-shaped structure thing 1070 can also be replaced as other kinds of structure.For example can also be by rib barrel-shaped structure thing
1070 are replaced as cylindrical configuration thing.
The light mechanism 1023 with reference to light is installed in installing mechanism 1071.
(4) imaging optical system
As shown in Fig. 2 imaging optical system 1032 possess field stop 1160, aperture diaphragm 1161, lens 1162 and
Lens barrel 1163.Field stop 1160 and aperture diaphragm 1161 limit the light beam 1041 of illumination light.Lens 1162 make illumination light
Light beam 1041 is imaged.The supporting of lens barrel 1163 field stop 1160, aperture diaphragm 1161 and lens 1162.Utilize field stop
1160 visual fields illuminated come the light beam 1041 adjusted by illumination light.Numerical aperture is adjusted using aperture diaphragm 1161.
Optical element beyond field stop 1160, aperture diaphragm 1161 and lens 1162 can also be added into imaging
Optical system 1032.For example shown in Fig. 6, diffusing panel 1164 can also be added before aperture diaphragm 1161.
Imaging optical system 1032 can also be replaced as the collimating optical system of the collimation of light beam 1041 of illumination light.
(5) integrating sphere
As shown in Fig. 2 and Fig. 4, integrating sphere 1021 is the structure of hollow spheres.
The space 1170 for being formed at integrating sphere 1021 is integrated the inner surface 1180 of ball 1021 and provided.The shape in space 1170
To be spherical.The sample window 1190 for being formed at integrating sphere 1021 is seen through from the illuminating window 1191 for being formed at integrating sphere 1021.Sample
Window 1190 and illuminating window 1191 are not seen through from the light receiving window 1192 for being formed at integrating sphere 1021.It is combined with illuminating window 1191
Lighting mechanism 1020.The light mechanism 1022 of reflected light is installed in light receiving window 1192.
Inner surface 1180 has diffusion reflecting surface 1200.It is preferred that the generally diffusion reflecting surface 1200 of inner surface 1180, but
It is not the face for diffusing reflecting surface 1200 that inner surface 1180 can also have on a small quantity.
In the case of the light beam 1041 of the radioluminescence light of lighting mechanism 1020, the light beam 1041 of illumination light is incident upon illumination
Window 1191, is not advanced in space 1170, reaches sample window 1190 reflectingly by inner surface 1180.Exist when in sample window 1190
In the case of sample, sample is illuminated by the light beam 1041 of the illumination light of arrival sample window 1190, and sample is by the light beam of reflected light
1043 reflections.The light beam 1043 of reflected light is propagated in space 1170, by diffusion reflecting surface during being propagated in space 1170
1200 diffusion reflections, are projected from light receiving window 1192.
(6) the light mechanism of reflected light
As shown in figure 5, the light mechanism 1022 of reflected light possesses sensor unit 1210.
Sensor unit 1210 possess filter 1220,1221,1222, diaphragm 1230,1231,1232, by optical sensor
1240th, 1241,1242 and structure 1250.
Filter 1220,1221,1222 is respectively inserted the hole 1260,1261,1262 for being formed at structure 1250, and by
Structure 1250 is supported.Diaphragm 1230,1231,1232 be respectively inserted the hole 1260 for being formed at structure 1250,1261,
1262, and be constructed thing 1250 and support.It is respectively inserted by optical sensor 1240,1241,1242 and is formed at structure 1250
Hole 1260,1261,1262, and be constructed thing 1250 and support.
It is formed at the diaphragm 1270 of structure 1250, filter 1220, diaphragm 1230 and is constituted by optical sensor 1240
Determine values X measurement system.It is formed at diaphragm 1271, filter 1221, diaphragm 1231 and the light of structure 1250
Sensor 1241 constitutes the measurement system for determining values Y.It is formed at the diaphragm 1272, filter 1222, light of structure 1250
Door screen 1232 and the measurement system that measure values Z is constituted by optical sensor 1242.
To determining values X measurement system, determining values Y measure exemplified by determining values Y measurement system
The common point of system and measure values Z measurement system is illustrated.
Diaphragm 1271, filter 1221, diaphragm 1231 and arranged by optical sensor 1241 with the order of record.
In the case where the light beam 1043 of reflected light is incident upon hole 1261, the light beam 1043 of reflected light is gone in hole 1261
Enter, in hole 1261 advance during with the order of record by diaphragm 1271, filter 1221 and diaphragm 1231, and by by
Optical sensor 1241 is received.Diaphragm 1271,1231 limits the light beam 1043 of reflected light.Reflected light is received by optical sensor 1241
Light beam 1043, exports signal corresponding with light income.Thereby, it is possible to determine values Y.Reduce anti-using diaphragm 1271,1231
The light beam 1043 of light is penetrated to the incidence angle of filter 1221.That is, the light beam 1043 of reflected light is generally perpendicularly incident upon filter
1221。
The operating angle θ 1 of sensor unit 1210, i.e. be set to by the opening angle θ 1 of the light beam of diaphragm 1271,1231
The light beam 1041 for being incident upon the illumination light of illuminating window 1191 is not received by optical sensor 1241, and in the absence of the light beam of reflected light
1043 situations for reflection not being diffused by diffusion reflecting surface 1200 and being received by optical sensor 1241.Thus, the light beam of reflected light
1043 be uniformly mixed by diffusing reflection after received by optical sensor 1241.Opening angle θ 1 is meeting the model of the condition
Enclose it is interior significantly set, be for example set to about 40 °.Thus, the larger scope from diffusion reflecting surface 1200 obtains reflection
The light beam 1043 of light, so as to improve the signal to noise ratio of measure.
(7) with reference to the light mechanism of light
As shown in figure 3, the light mechanism 1023 with reference to light possesses diffusing panel 1280 and sensor unit 1281.
Diffusing panel 1280 is configured between opening 1130,1131,1132 and sensor unit 1281, by the light beam with reference to light
1042 diffusions.
Sensor unit 1281 possess filter 1290,1291,1292, diaphragm 1300,1301,1302, by optical sensor
1310th, 1311,1312 and structure 1320.Diaphragm 1330,1331,1332 is formed with structure 1320, and is formed with hole
1340、1341、1342。
Sensor unit 1281 is identical with the model of sensor unit 1210.Sensor unit 1281 and sensor unit 1210
Model is identical, the manufacturing expense thus, it is possible to reduce colorimeter 1000.
In the case where the light mechanism 1023 with reference to light receives the light beam 1042 with reference to light, diffusing panel 1280 will join
The light beam 1042 of irradiation is diffused.The light beam 1042 with reference to light diffused is incident upon hole 1340,1341,1342.Utilize diffusing panel
1280 make the direction towards beyond from outlet 1150,1151,1152 towards the direction by optical sensor 1310,1311,1312
A part for light beam is towards by optical sensor 1310,1311,1312, so as to improve the signal to noise ratio of measure.
In the case of sensor unit 1281 and the model identical of sensor unit 1210, sensor unit 1281 has light
Door screen 1300,1301,1302 and diaphragm 1330,1331,1332, thus by optical sensor 1310,1311,1312 be arranged to from
Outlet 1150,1151,1152 is separated.It is arranged to by optical sensor 1310,1311,1312 from outlet 1150,1151,1152
In the case of separation, towards beyond from outlet 1150,1151,1152 towards the direction by optical sensor 1310,1311,1312
The light beam increase in direction, therefore the light beam reduction received by optical sensor 1310,1311,1312, so that the signal to noise ratio determined
Deteriorate.Diffusing panel 1280, which suppresses this light beam received, to be reduced.
Sensor unit 1281 can also be replaced as the sensor units different from the model of sensor unit 1210.It will pass
In the case that sensor cell 1281 is replaced as the sensor units different from the model of sensor unit 1210, preferably by sensor list
Member 1281 is replaced as the sensor unit for not possessing diaphragm.
Fig. 7 schematic diagram represents that sensor unit is replaced as not possessing to the light beam in the case of the sensor unit of diaphragm
The section of separating mechanism and light mechanism with reference to light.
Sensor unit 1350 shown in Fig. 7 possess by optical sensor 1360,1361,1362 and filter 1370,
1371、1372.Outlet 1150,1151,1152 is disposed proximate to by optical sensor 1360,1361,1362.
(8) change of mensuration mode
The light mechanism 1022 of reflected light and can also with reference to the respective mensuration mode of light mechanism 1023 of light
Spectroscopic modes are changed over from tristimulus values mode.Light mechanism 1022 in reflected light and the light mechanism with reference to light
In the case that 1023 mensuration mode is spectroscopic modes, the light mechanism 1022 of reflected light and the light mechanism with reference to light
1023 possess polychromator etc. respectively, and the polychromator has diffraction grating, prism equiwavelength's dispersion element.By reflected light by
In the case that ray machine structure 1022 and mensuration mode with reference to the light mechanism 1023 of light change over spectroscopic modes, reflected light is used
Light mechanism 1022 and determine spectrophotometric spectra respectively with reference to the light mechanism 1023 of light so that colorimeter as light splitting survey
Color meter.Colour meter is roughly divided into colorimeter and spectral photometric colour measuring meter.
(9) measure of transmitted light
The light mechanism 1022 of reflected light can also be replaced as to the light mechanism of transmitted light.The light of transmitted light
Authorities have transmitted the light beam of the transmitted light of sample, and export tristimulus values X, Y, Z of transmitted light measurement result.
(10) controller
Controller 1011 is embedded computer, is controlled by performing firmware.The control of controller 1011 it is complete
Portion or a part can also be realized by the hardware without software.
Controller 1011 controls xenon flash lamp 1050, makes the radiotherapy beam of xenon flash lamp 1050.In addition, making xenon flash lamp
During 1050 radiotherapy beam, controller 1011 respectively from by optical sensor 1240,1241,1242 obtain reflected light tristimulus values X,
Y, Z, respectively from tristimulus values X, Y, the Z obtained by optical sensor 1310,1311,1312 with reference to light.In addition, controller 1011 from
Tristimulus values X, Y, Z export color-values of reflected light.Color-values are by Munsell colour system, L*a*b* color systems, L*
C*h color systems, Hunter Lab color systems, XYZ color systems etc. are showed.In the case where color-values are exported, base is carried out
In the amendment of tristimulus values X, Y, Z with reference to light.
(11) beam uniformity mechanism
Reflecting umbrella 1051, light beam separating mechanism 1031 and integrating sphere 1021 respectively constitute beam uniformity mechanism.Reflection
Umbrella 1051 makes the beam uniformity that xenon flash lamp 1050 is radiated.Light beam separating mechanism 1031 will radiate the light that mechanism 1030 is radiated
Beam is separated into the light beam 1041 of illumination light and homogenized with making the light beam 1042 with reference to light in the case of the light beam 1042 with reference to light.Product
Bulb separation 1021 homogenizes the light beam 1043 of reflected light.In reflecting umbrella 1051, light beam separating mechanism 1031 and integrating sphere 1021
In, beam diffusion is reflected or diffusion multipath reflection in diffusion reflecting surface 1060,1120,1200 respectively, thus make light beam equal
Homogenize.In the homogenization of light beam, the change of the radiation direction of the intensity of light beam reduces.
Beam uniformity mechanism is to form envelope in the inner surface of the base material being made up of white resin and constitute.Envelope is
Transparent antiglossing pigment is coated on formed by the inner surface of base material.
Hereinafter, the structure to beam uniformity mechanism by taking integrating sphere 1021 as an example is illustrated.
Fig. 8 schematic diagram represents the section of integrating sphere.Fig. 8 enlarged representations diffuse the vicinity of reflecting surface.
As shown in figure 8, integrating sphere 1021 possesses base material 1400 and envelope 1401,1402.
Space 1410 is formed with base material 1400.Space 1410 is spherical.It is formed at the space of beam uniformity mechanism
Shape accordingly changes with beam uniformity mechanism.Space 1410 is provided by the inner surface 1420 of base material 1400.Base material 1400 by
White resin is constituted.
Envelope 1401 is that transparent antiglossing pigment is coated on formed by the inner surface 1420 of base material 1400, and it makes light beam
Diffusion.Expose to the space 1170 for being formed at integrating sphere 1021 on the surface 1430 of envelope 1401.The back side 1431 of envelope 1401 is tight
It is affixed on the inner surface 1420 of base material 1400.
Envelope 1402 is that it turns into covering base material 1400 in formed by the outer surface 1421 of base material 1400 by paint spraying
Outer surface 1421 photomask.Even if can be in the case of transmitted light in base material 1400, it is not necessary to light also because of envelope 1402
It is difficult to be incident upon space 1410.The coating for being coated on the outer surface 1421 of base material 1400 preferably comprises black pigment or clipped wire
Son.The light-proofness of envelope 1402 is improved by black pigment or metallic.Envelope 1402 can also be omitted.
Envelope 1402 can also be replaced as other kinds of shade.Envelope 1402 can also be for example replaced as and base
The light-blocking member that the outer surface 1421 of material 1400 is contacted.Resin of the light-blocking member preferably by including black pigment or metallic
Constitute.In the case where possessing the light-blocking member being made up of resin, base material 1400 can also be integrally formed by coinjection moulding
And light-blocking member.
In the case where light beam is incident upon diffusion reflecting surface 1200, generally, the light beam of injection is passed through by envelope 1401
The light beam of envelope 1401 is reflected by base material 1400, and reflected light beam is by envelope 1401, and the light beam passed through is projected.Can also
There is the light beam in different propagated.In the case where light beam is by envelope 1401, light beam is diffused.Base material 1400 is carried on a shoulder pole
The function of the reflected beams in the function of the diffusion reflecting surface 1200 of negative diffusion the reflected beams.Envelope 1401 undertakes diffusion reflected light
The function by beam diffusion in the function of the diffusion reflecting surface 1200 of beam.
(12) uniformity of reflectivity
In integrating sphere 1021, base material 1400 undertakes the function of the reflected beams, thus envelope 1401 thickness not to diffusion
The reflectivity of reflecting surface 1200 produces influence.Therefore, the reflectivity of reflecting surface 1200 is diffused by the inner surface 1420 of base material 1400
Reflectivity determine.
In the case where the base material 1400 being made up of white resin undertakes the function of the reflected beams, the inner surface of base material 1400
The difference of 1420 reflectivity is smaller and reflectivity of inner surface 1420 of base material 1400 is higher, therefore diffusion reflecting surface 1200
The difference of reflectivity it is smaller and diffusion reflecting surface 1200 reflectivity it is higher.The difference of the reflectivity of the inner surface 1420 of base material 1400
The higher reflectivity of different smaller and base material 1400 inner surface 1420 is because base material 1400 is made up of white resin and with foot
Enough thickness.
On the other hand, in the case where undertaking the function of the reflected beams by envelope formed by the coating of application white,
The higher of difference smaller of the reflectivity of diffusion reflecting surface and the reflectivity of diffusion reflecting surface can not be realized simultaneously.Thickening
In the case of envelope formed by the coating of application white, the reflectivity of diffusion reflecting surface increases, but the thickness of envelope
Difference increases, so as to diffuse the difference increase of the reflectivity of reflecting surface.It is being thinned by quilt formed by the coating of application white
In the case of film, the difference of the thickness of envelope reduces, so that the difference for diffusing the reflectivity of reflecting surface reduces, but diffusion reflecting surface
Reflectivity reduce.
The difference for diffusing the reflectivity of reflecting surface 1200 is smaller, is favorably improved the beam uniformity that makes of integrating sphere 1021
Ability.The reflectivity for diffusing reflecting surface 1200 is higher, it helps that improves integrating sphere 1021 makes the ability of beam uniformity.That
It is because in the case where the reflectivity of diffusion reflecting surface 1200 is higher, the number of times for reflecting beam diffusion can be increased.
In the case where base material 1400 is white, the change of the wavelength of the reflectivity of the inner surface 1420 of base material 1400 compared with
It is small, therefore the change reduction of the wavelength of the reflectivity of diffusion reflecting surface 1200, so that the spectrophotometric spectra of light beam is not easily susceptible to light beam
By the influence of the number of times of diffusion reflection.
For diffusing the difference of reflectivity of reflecting surface 1200, there are the difference and multiple products of an integrating sphere 1021
Difference between bulb separation 1021.In the case of the difference of an integrating sphere 1021 is less, make light in an integrating sphere 1021
The ability of beam homogenization is improved.In the case of difference between multiple integrating spheres 1021 is less, between multiple integrating spheres 1021
The ability for making beam uniformity difference reduce.
In the case where producing resin in large quantities using substantial amounts of raw material, the difference of the mixing ratio of multiple raw material subtracts
Small, so that the mixing inequality of multiple raw material reduces, therefore resin becomes uniform.On the other hand, being mixed by oneself, spy orders
In the case of marginally resin is produced using a small amount of raw material, the difference increase of the mixing ratio of multiple raw material, so that many
The mixing inequality increase of individual raw material, therefore resin becomes uneven.White resin is using substantial amounts of raw material by large quantities
Production, therefore uniformly.In the case of white resin is uniform, base material 1400 becomes uniform, therefore diffuses the anti-of reflecting surface 1200
The difference for penetrating rate reduces.
(13) uniformity of diffusive
Transparent antiglossing pigment is produced in large quantities using substantial amounts of raw material, therefore uniformly.Therefore, envelope 1401
The difference of diffusive is smaller.
(14) the cheap manufacture of base material
White resin is produced in large quantities using substantial amounts of raw material, therefore inexpensively.Thereby, it is possible to be manufactured inexpensively base
Material 1400.
Base material 1400 is made up of resin, therefore, it is possible to which the products formed gone out by metal mould forming is kept intact unchangeably
Be formed as base material 1400.Shape need not be changed by being machined.Thereby, it is possible to be manufactured inexpensively base material 1400.
Base material 1400 is made up of resin, so even possess it is appendicular in the case of, can also be manufactured inexpensively.It is attached
Thing has for combining combining mechanism of other constructs etc..
Envelope 1401, which is undertaken, makes the function of beam diffusion, therefore the inner surface 1420 of base material 1400 can not be uniformly slightly
Matte, may not be uniform minute surface.It therefore, there is no need to carry out special processing to the forming surface of metal die, so as to
Enough metal die is made using common material.Thereby, it is possible to be manufactured inexpensively metal die, so as to be manufactured inexpensively base
Material 1400.
(15) the cheap formation of envelope
The function of making beam diffusion is the shape of surface 1430 in envelope 1401 by the particulate contained by transparent antiglossing pigment
Into concavo-convex and find.Therefore, diffusive depends on the concavo-convex state on the surface 1430 of envelope 1401, and is not dependent on envelope
1401 thickness.Even if envelope 1401 is in the case of relatively thin, can also undertake makes the function of beam diffusion.
In the case where envelope 1401 is relatively thin, forms transparent antiglossing pigment required during envelope 1401 and reduce, therefore energy
It is enough inexpensively to form envelope 1401.
The demand of transparent antiglossing pigment is more, thus transparent antiglossing pigment using substantial amounts of raw material by large quantities
Production.Therefore, transparent antiglossing pigment is cheap, so as to inexpensively form envelope 1401.
(16) white resin
White resin resin, Chinese white, inorganic filler comprising basis etc..The resin on basis, Chinese white, inorganic fill out
Material etc. is uniformly mixed.White resin is the fitting-type for the resin that Chinese white, inorganic filler etc. are matched with to basis.Even if
Fitting-type white resin surface without special base treatment, coating also adheres to, therefore when by the white of fitting-type
In the case of the formation envelope 1401 of inner surface 1420 for the base material 1400 that chromoresin is constituted, envelope 1401 can be inexpensively formed.
The white resin of fitting-type can also be replaced as to the white resin of non-fitting-type.White resin is work
For the crystalline resin of thermoplastic resin, and crystallinity is higher or crystal size is larger, preferably polystyrene or poly- first
Aldehyde.
The reflectivity of white resin is preferably more than 60%, and more preferably more than 97%.In the reflection of white resin
In the case that rate is more than 60%, white resin is identified as white by people.60% reflectivity is equivalent to being used as colour meter
In the BCRA ceramic tiles that benchmark colo(u)r atlas is used, closest to the reflectivity of the light gray (Palegrey) of the netrual colour of white (White).
More than 97% reflectivity is realized in the case of powder of the Chinese white for titanium oxide described later.
In the case where the reflectivity of the inner surface 1420 of base material 1400 is higher, the diffusion diffusion the reflected beams of reflecting surface 1200
When the reduction of light quantity of light beam reduce, therefore the light beam projected from integrating sphere 1021 light quantity relative to being incident upon integrating sphere
The ratio between 1021 light quantity of light beam that is, integrating sphere efficiency increases.In the case where integrating sphere efficiency is higher, the signal to noise ratio of measure
Increase, therefore the precision determined increases.
(17) basic resin
The resin on basis is preferably thermoplastic resin or thermosetting resin.
Thermoplastic resin is preferably acrylic resin, polycarbonate resin or liquid crystal polymer resin.Acrylic resin
Preferably plexiglass, for example, Mitsubishi Rayon Co., Ltd's system (Japanese：レ イ ヨ Application Co., Ltd. of Mitsubishi
ACRYPET (registration mark) VHNW401 System).Polycarbonate resin is, for example, Mitsubishi engineering Plastics Co., Ltd's system (Japanese：
Mitsubishi エ Application ジ ニ ア リ Application グ プ ラ ス チ ッ Network Zhu formula Hui She System) IUPILON (registration mark) EHR3100.Polymerizable mesogenic
Resin is preferably liquid-crystal polyester resin, for example, the SUMIKASUPER LCP of Sumitomo Chemical Co.
Acrylic resin has higher light resistance.Therefore, in the case where the resin on basis is acrylic resin, even if
In the case where having irradiated light beam for a long time or repeatedly, base material 1400 is not easy to fade, and passes through even as the time, measure
Precision is not easy to reduction.
Polycarbonate resin has higher heat resistance.Therefore, in the case where the resin on basis is polycarbonate resin,
Even if in the case where light beam of the irradiation with larger light quantity rises temperature, base material 1400 is not easy to deterioration.Can also
Using be exploited for LED backlight lamp have higher sunproof polycarbonate resin.
Liquid crystal polymer resin has higher heat resistance and higher self-extinguishment (anti-flammability).Therefore, on basis
In the case that resin is liquid crystal polymer resin, even if there is the light beam of larger light quantity in irradiation and temperature is increased
Under, base material 1400 is not easy to deterioration, there is light source in space 1410 and makes in the case that base material 1400 overheats, base material 1400 is not yet
Burning.
Thermosetting resin is preferably unsaturated polyester resin or epoxy resin.Unsaturated polyester resin is, for example, Panasonic's strain
Formula commercial firm system (Japanese：パ Na ソ ニ ッ Network Zhu formula Hui She System) FULL BRIGHT CE6000.Epoxy resin is, for example, Hitachi
Into the white moulded resin CEL-W-7005 of the LED reflection device of Co. Ltd. system.It can also use and be exploited for
Light-emitting diode chip for backlight unit have higher sunproof unsaturated polyester resin or epoxy resin.
(18) Chinese white
Chinese white is preferably selected from the powder of titanium oxide, the powder of zinc oxide, the powder of barium sulfate and calcium carbonate
The powder of one or more of powder, more preferably titanium oxide.
The refractive index of titanium oxide is higher, therefore in the case of powder of the Chinese white for titanium oxide, even if white resin
Contained Chinese white is a small amount of, and the reflectivity of white resin also increases.The powder of titanium oxide can easily start with, thus honest and clean
Valency.
Titanium oxide, which has, absorbs the problem of belonging to the shortwave long component in the short wavelength region that wavelength is about below 420nm.But
It is that the problem is nearly free from influence to the precision of measure.The point is illustrated.
Titanium oxide absorbs the light with energy more than band gap, thus titanium oxide reflectivity wavelength be about 420nm with
Under short wavelength region in reduce.The reflectivity of titanium oxide is reduced in short wavelength region, therefore is titanium oxide in Chinese white
Powder in the case of, as shown in figure 9, in short wavelength region white resin reflectivity reduction.When in short wavelength region
In the case of the reflectivity reduction of white resin, the shortwave long component contained by light beam projected from integrating sphere 1021 is reduced, therefore
The signal to noise ratio reduction determined in short wavelength region.In the case of the signal to noise ratio reduction determined in short wavelength region, generally,
The precision reduction of measure.But, asking color matching functions xbar, ybar, zbar of the sensitivity for reflecting reproducing eye
In the case of values, no matter mensuration mode is spectroscopic modes and any, drop of the precision of measure of tristimulus values mode
It is low all hardly to turn into problem.
In the case where mensuration mode is spectroscopic modes, in the wavelength region of wavelength generally 380-780nm visible ray
In, spectrophotometric spectra is determined, the product for wavelength to spectrophotometric spectra with color matching functions xbar, ybar, zbar each is accumulated
Point, to seek tristimulus values.But, though color matching functions xbar, ybar, zbar are not 0 in short wavelength region, take smaller
Value, therefore spectrophotometric spectra short wavelength region give tristimulus values influence it is smaller.Due to the short wavelength region of spectrophotometric spectra
The influence for giving tristimulus values is smaller, so in the case of the signal to noise ratio reduction that i.e. box lunch is determined in short wavelength region, three thorns
Swashing the precision of the measure of value also hardly reduces.
Mensuration mode be tristimulus values mode in the case of, with result in reflect color matching functions xbar,
The mode of ybar, zbar values determines the light quantity for the light beam for having transmitted the colour filter for determining spectral transmission, to seek three thorns
Swash value.Color matching functions xbar, ybar, zbar are not 0 in short wavelength region, but take less value, therefore colour filter is several
Transmit shortwave long component.Because colour filter hardly transmits shortwave long component, so shortwave long component gives three thorns
The influence for swashing value is smaller.Because the influence that shortwave long component gives tristimulus values is smaller, even if so being surveyed in short wavelength region
In the case of fixed signal to noise ratio reduction, the precision of the measure of tristimulus values is also hardly reduced.
(19) transparent antiglossing pigment
In the case where transparent antiglossing pigment is dual liquid type coating, host (principal component resin), curing agent, dilution are included
Agent and delustering agent.Host, curing agent, diluent and delustering agent are uniformly mixed.Transparent antiglossing pigment can also be
One-pack-type coating.Transparent antiglossing pigment can also be not belonging to the category of one-pack-type coating and dual liquid type coating.
(20) dual liquid type coating
Dual liquid type coating includes host (principal component resin) and curing agent.Host and curing agent be not to be mixed with each other
State be provided, be not long ago mixed with each other in application.In the case where transparent antiglossing pigment is dual liquid type coating, by master
The mixed liquor of agent and curing agent is coated on the inner surface 1420 of base material 1400, so that the inner surface 1420 in base material 1400 is formed
Coated film.In coated film, host and curing agent are mutually chemically reacted, so that coated film solidifies, are consequently formed envelope
1401.Mixed liquor can also contain the diluents such as solvent or diluent.The viscosity of mixed liquor is adjusted to suitable for the viscous of application using diluent
Degree, the rate of drying of coated film is adjusted to suitably form the rate of drying of envelope 1401.
In the case where transparent antiglossing pigment is dual liquid type coating, the molecule structure of complexity is formed with envelope 1401
Make, therefore envelope 1401 relatively consolidates and is close to substrate.Therefore, in the case where transparent antiglossing pigment is dual liquid type coating,
Changed in temperature or humidity and in the case of envelope 1401 is expanded or is shunk, when using or the when of conveying envelope 1401 by
In situation to impact etc., envelope 1401 is not easy to damage.
In the case of dual liquid type coating of being classified according to host, dual liquid type coating is classified into acrylic resin paint, gathered
Urethane cold coating, epoxy coating, silicon resin coating, fluorine resin coating etc..Polyurethane resin coating is third comprising host
Olefin(e) acid resin and curing agent are the acrylated polyurethane resin coating of polyisocyanate resin.Silicon resin coating includes acrylic acid tree
Fat is with silicones by the acrylic silicon resin coating of copolycondensation.
In the case where dual liquid type coating is acrylic resin paint, envelope 1401 has higher transparent and higher
Light resistance, so even in the case of the differing greatly of thickness of envelope 1401, the difference of the transmissivity of envelope 1401
Do not increase.Therefore, in the case where dual liquid type coating is acrylic resin paint, the difference of the reflectivity of reflecting surface 1200 is diffused
Do not increase.
In the case where dual liquid type coating is acrylic resin paint, envelope 1401 has higher light resistance, therefore quilt
Film 1401 is inhibited from yellowing.Therefore, in the case where dual liquid type coating is acrylic resin paint, pass through even as the time, survey
Fixed precision is not easy to reduction.
In the case where dual liquid type coating is polyurethane resin coating or epoxy coating, envelope 1401 has higher
Heat resistance, so even in the case where light beam of the irradiation with larger light quantity rises temperature, envelope 1401 is not yet
Easily deterioration.Therefore, in the case where dual liquid type coating is polyurethane resin coating or epoxy coating, even as the time
By the precision of measure is not easy to reduction.
In the case where dual liquid type coating is silicon resin coating or fluorine resin coating, envelope 1401 has higher resistant
Metachromia, so even in the case of the sample intrusion space 1170 that sample is powder or liquid and is dispersed, also by envelope
1401 remain cleaning.
(21) delustering agent
Delustering agent preferably comprises one kind in the particulate of the particulate selected from silica, the particulate of calcium carbonate and calcium phosphate
More than.Delustering agent forms small bumps on the surface of envelope 1401, will made after application antiglossing pigment dries coated film
The function of beam diffusion assigns envelope 1401.
The lower limit of the particle diameter of particulate is preferably 0.2 μm.The lower limit of the particle diameter of 0.2 μm of particulate is the quilt in colorimeter 1000
The wavelength utilized is about the 1/2 of the wavelength of the lower limit of the wavelength region of 380-780nm visible ray.As above the particle diameter of particulate is selected
Lower limit be because according to Gustaf rice scattering theory, particle diameter for light wavelength about 1/2 in the case of particle make
Light is most effectively scattered.
The upper limit of the particle diameter of particulate is not limited, but is chosen in the way of less than the thickness of envelope 1401.
(22) thickness of envelope
The thickness of envelope 1401 is preferably less than 100 μm, more preferably several 10 μm, particularly preferably 25 ± 15 μm.
Envelope 1401 thickness within the above range in the case of, the difference of the thickness of envelope 1401 is difficult increase.
The thickness of 25 μm of envelope 1401 is the thickness of the standard in the case of forming envelope 1401 by an application.
In the case that the thickness of envelope 1401 is more than 25-15=10 μm, envelope is formed uniformly in the inner surface 1420 of base material 1400
1401, envelope 1401 is formed as into island and a part for inner surface 1420 in base material 1400 can not so as to avoid the occurrence of
Form the situation of envelope 1401.In the case where the thickness of envelope 1401 is less than 25+15=40 μm, it can avoid the occurrence of and apply
Delustering agent precipitates and the situation of bumps can not be formed on the surface of envelope 1401 before dress film is dried.± 15 μm of permission differential magnitude
There is also ± the 60% of 25 μm of target film thickness.As above allow differential magnitude it is larger in the case of, application condition permit
Perhaps amplitude increases, therefore qualification rate is improved, so as to inexpensively form envelope 1401.
(23) with the comparison of the forming method of other diffusion reflectings surface
Instead of envelope 1401 to be formed to the inner surface 1420 of base material 1400, by the forming surface that will be formed in metal die
Erosion text be needed on the inner surface of base material or sandblasting processing carried out to the inner surface of base material, can also form diffusion reflecting surface.
But, in the case where the erosion text that will be formed in the forming surface of metal die is needed on the inner surface of base material, produce
Be formed in the inner surface of base material with stripping direction close to parallel part erosion text the demoulding when damage the problem of.This is asked
Topic can be avoided by the way that integrating sphere is divided into multi-disc, but this segmentation hampers and is manufactured inexpensively integrating sphere.On the other hand,
In the case where envelope 1401 is formed at into the inner surface 1420 of base material 1400, the problem of not producing above-mentioned.
In addition, to the inner surface of base material carry out sandblasting processing in the case of, generation make because of the difference of processing conditions by
The problem of there is difference in the diffusive of the diffusion reflecting surface of formation.On the other hand, envelope 1401 is being formed at base material 1400
In the case of inner surface 1420, the difference of the thickness of envelope 1401 caused by the difference of processing conditions is not to diffusion reflecting surface 1200
Diffusive produce influence, therefore diffusion reflecting surface 1200 diffusive be less prone to difference.
(24) concrete example
Figure 10 and Figure 11 chart for the transparent antiglossing pigment of non-application situation (white resin+non-application) and
The transparent antiglossing pigment of application and the situation (white resin+transparent 25 μm of antiglossing pigment) that forms envelope represents white tree respectively
The spectral reflectance of fat.Figure 11 enlarged representations Figure 10 reflectivity 90-100% scope.The thickness of envelope is 25nm.
As shown in figs.10 and 11, it is coated with the spectral reflectance in the case of transparent antiglossing pigment except wavelength about
To be more than 96% outside below 420nm short wavelength region, the light splitting with non-application in the case of transparent antiglossing pigment is anti-
Penetrate rate roughly the same.The situation represents that the base material 1400 being made up of white resin can undertake the function of the reflected beams, by applying
The thickness for filling envelope 1401 formed by transparent antiglossing pigment does not produce influence to the reflectivity for diffusing reflecting surface 1200.
Figure 12 and Figure 13 chart for envelope 66 μm, 88 μm, 93 μm, 110 μm, 124 μm, 155 μm of thickness and
186 μm respectively represent application white antiglossing pigment formed by envelope spectral reflectance.Figure 13 chart enlarged representation figure
12 reflectivity 85-95% scope.The antiglossing pigment of white is transparent antiglossing pigment and the titanium oxide as Chinese white
Powder mixture.
As shown in Figure 12 and Figure 13, in the case where forming envelope by the antiglossing pigment of application white, envelope
Reflectivity influence of 1401 difference on diffusing reflecting surface 1200 is larger.In addition, in order to which the thickness of envelope is formed as into about 90 μm,
Need application repeatedly three times or four times.In the case where being coated with three times or four times repeatedly, the difference increase of envelope, so that
The reflectivity of reflecting surface is diffused by large effect.
(25) other examples
Figure 14 schematic diagram represents to determine head.
The first 2000 portable colorimeters for being the geometry using diffusion 0 ° of light of illumination are determined shown in Figure 14
Main portions.Determine first 2000 and possess xenon flash lamp 2010, reflecting umbrella 2011, diffusion reflection sphere 2012, reflected light extractor
Structure 2013 and optical fiber 2014.Be formed with spherical space 2020 in diffusion reflection sphere 2012, and be formed with sample window 2040 with
And opening 2041.Space 2020 is provided by the inner surface 2050 of diffusion reflection sphere 2012.Inner surface 2050 and the feelings having been described above
Condition is formed as diffusing reflecting surface by the way that transparent antiglossing pigment to be coated on to the inner surface of base material in the same manner.Diffuse reflection sphere
2012 constitute homogenizer mechanism.Xenon flash lamp 2010, reflecting umbrella 2011 and diffusion reflection sphere 2012 constitute illumination sample
Lamp optical system.
In the case where being measured, the radiotherapy beam of xenon flash lamp 2010.The light beam radiated is reflected by reflecting umbrella 2011
Afterwards or it is not reflected by umbrella 2011 and reflects and be incident upon space 2020.The light beam of injection is interior during being propagated in space 2020
Surface 2050 diffuses multipath reflection, so as to be homogenized.A part for the light beam being homogenized turns into the light beam of illumination light, and right
The sample for pressing on sample window 2040 is illuminated.A part for the light beam being homogenized is projected from opening 2041, and as ginseng
The light beam of irradiation.The light beam of the reflected light reflected by sample is extracted by reflected light extraction mechanism 2013, and is guided by optical fiber 2014
To light mechanism.The reflection optical axis of reflecting umbrella 2011 direction more vertical than with the central shaft 2060 in space 2020 is more gently towards top
Tilt.Do not reflected thereby, it is possible to the light beam that suppressor pulse xenon lamp 2010 is radiated by diffusion and reach sample window 2040.
As shown in figure 15, milky acrylic panel 2015 can also be arranged at space 2020.When the biography in space 2020
In the case of the light beam transmission milky acrylic panel 2015 broadcast, milky acrylic panel 2015 makes beam diffusion.Can also be by
Milky acrylic panel 2015 is replaced as other kinds of transmittance diffusion slope.For example can also be by milky acrylic panel 2015
It is replaced as ground glass.
Figure 16 schematic diagram represents the section of lighting mechanism.
Lighting mechanism 3000 shown in Figure 16 constitutes the lamp optical system of colorimeter.Lighting mechanism 3000 possesses pulsed xenon
Lamp 3010, integrating sphere 3011, field stop 3012, diaphragm 3013 and imaging optical system 3014.Formed in integrating sphere 3011
There is spherical space 3020, and be formed with injection window 3030.The inner surface 3040 that space 3020 is integrated ball 3011 is provided.Interior table
Face 3040 is formed as unrestrained by the way that the antiglossing pigment of white is coated on into the inner surface of base material identically with situation about having been described above
Penetrate reflecting surface.Xenon flash lamp 3010 is configured at space 3020.Integrating sphere 3011 constitutes beam uniformity mechanism.
In the case of the illumination sample 3060 of lighting mechanism 3000, the radiotherapy beam of xenon flash lamp 3010.The light beam radiated
Propagated in space 3020, multipath reflection is diffused by inner surface 3040 during being propagated in space 3020, and be homogenized.Quilt
The light beam of homogenization is projected from window 3030 is projected.The light beam of injection is limited by field stop 3012.Limited by field stop 3012
Light beam orientation characteristic turn into substantially complete diffused light orientation characteristic.Confined light beam enters one by aperture diaphragm 3013
Step limitation.The light beam being further restricted is imaged by imaging optical system 3014, so as to illuminate sample 3060.
Figure 17 schematic diagram represents the section of lighting mechanism.
Lighting mechanism 4000 shown in Figure 17 constitutes the lamp optical system of colorimeter.Lighting mechanism 4000 possesses pulsed xenon
Lamp 4010, concave mirror 4011, reflecting plate 4012 and collimationization optical system 4013.Reflecting plate 4012 is opened concave mirror 4011
Put the opening portion 4020 that portion 4020 is configured to close concave mirror 4011.The reflecting surface 4030 of reflecting plate 4012 and concave mirror 4011
Reflecting surface 4040 is opposed.The reflecting surface 4040 of concave mirror 4011 and the reflecting surface 4030 of reflecting plate 4012 are respectively with having been described above
Situation in the same manner by transparent antiglossing pigment is coated on to the inner surface of base material and be formed as diffuse reflecting surface.Referred herein to
" inner surface " refer to turn into the face of inner surface in the complex of the base material of concave mirror 4011 and the base material of reflecting plate 4012.Shape
Into there is hemispherical space 4060 as defined in the reflecting surface 4030 of the reflecting surface 4040 of concave mirror 4011 and reflecting plate 4012.
Injection window 4070 is formed with reflecting plate 4012.Xenon flash lamp 4010 is configured at space 4060.By concave mirror 4011 and reflection
The complex that plate 4012 is constituted constitutes beam uniformity mechanism.
In the case of the illumination sample 4080 of lighting mechanism 4000, the radiotherapy beam of xenon flash lamp 4010.The light beam radiated
Propagated in space 4060, by the reflecting surface 4040 and reflecting plate 4012 of concave mirror 4011 during being propagated in space 4060
The diffusion multipath reflection of reflecting surface 4030, and be homogenized.The light beam being homogenized is projected from window 4070 is projected.The light beam of injection
The collimationization of optical system 4013 is collimated, and illuminates sample 4080.
Symbol description：
1000 ... colorimeters；1010 ... measuring means；1020 ... lighting mechanisms；1021 ... integrating spheres；1022 ... reflected lights
Light mechanism；1023 ... with reference to light light mechanism；1030 ... radiation mechanisms；1031 ... light beam separating mechanisms；
1032 ... imaging optical systems；1050 ... xenon flash lamps；1051 ... reflecting umbrellas；1070 ... rib barrel-shaped structure things；1400 ... base materials；
1401 ... envelopes；1402 ... envelopes；2000 ... determine head；2012 ... diffusion reflection spheres；3000 ... lighting mechanisms；3011 ... integrations
Ball；4000 ... lighting mechanisms；4011 ... concave mirrors；4012 ... reflecting plates.
Claims (16)
1. a kind of beam uniformity mechanism of colour examining, wherein, possess：
Base material, it is formed with space, with the inner surface for providing the space, is made up of white resin, the reflected beams；With
Envelope, it is by the way that transparent antiglossing pigment is coated on formed by the inner surface, makes beam diffusion.
2. beam uniformity mechanism according to claim 1, wherein,
The white resin includes thermoplastic resin.
3. beam uniformity mechanism according to claim 2, wherein,
The thermoplastic resin is acrylic resin, polycarbonate resin or liquid crystal polymer resin.
4. beam uniformity mechanism according to claim 1, wherein,
The white resin includes thermosetting resin.
5. beam uniformity mechanism according to claim 4, wherein,
The thermosetting resin is unsaturated polyester resin or epoxy resin.
6. according to beam uniformity mechanism according to any one of claims 1 to 5, wherein,
The transparent antiglossing pigment includes delustering agent,
In particulate of the delustering agent comprising the particulate selected from silica, the particulate of calcium carbonate and calcium phosphate it is a kind of with
On.
7. according to beam uniformity mechanism according to any one of claims 1 to 6, wherein,
The base material has outer surface,
The beam uniformity mechanism is also equipped with covering the shade of the outer surface.
8. beam uniformity mechanism according to claim 7, wherein,
The shade be by by paint spraying in photomask formed by the outer surface.
9. beam uniformity mechanism according to claim 7, wherein,
The shade is the light-blocking member contacted with the outer surface.
10. according to beam uniformity mechanism according to any one of claims 1 to 9, wherein,
The space is spherical.
11. a kind of lamp optical system, wherein, possess：
The light source of radiotherapy beam；With
Make the beam uniformity mechanism according to any one of claims 1 to 10 of beam uniformity radiated.
12. a kind of colour meter, wherein, possess：
Lamp optical system described in claim 11；With
Light receiving optical system.
13. a kind of light receiving optical system, wherein, possess：
The claim 1 of the light beam for making the reflected light reflected by sample or the beam uniformity for the transmitted light for having transmitted sample~
Beam uniformity mechanism any one of 10；With
Receive the light beam of reflected light being homogenized or the light beam for the transmitted light being homogenized and the light for exporting measurement result
Mechanism.
14. a kind of colour meter, wherein, possess：
Lamp optical system；With
Light receiving optical system described in claim 13.
15. it is a kind of with reference to optical system, wherein, possess light beam and the light with reference to light that the light beam that will be radiated is separated into illumination light
The light beam separating mechanism of beam,
The light beam separating mechanism possesses beam uniformity mechanism according to any one of claims 1 to 10,
The beam uniformity mechanism makes the beam uniformity with reference to light.
16. a kind of colour meter, wherein, possess：
Lamp optical system；
Reference optical system described in claim 15；And
Light receiving optical system.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015034165 | 2015-02-24 | ||
| JP2015-034165 | 2015-02-24 | ||
| PCT/JP2016/053029 WO2016136402A1 (en) | 2015-02-24 | 2016-02-02 | Luminous flux homogenizing mechanism, illuminating optical system, light-receiving optical system, reference optical system, and colorimeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107250743A true CN107250743A (en) | 2017-10-13 |
| CN107250743B CN107250743B (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680010998.0A Active CN107250743B (en) | 2015-02-24 | 2016-02-02 | Beam uniformity mechanism, lamp optical system, light receiving optical system, reference optical system and colour meter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107250743B (en) |
| WO (1) | WO2016136402A1 (en) |
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| CN85200717U (en) * | 1985-04-01 | 1986-01-08 | 中国科学院安徽光学精密机械研究所 | Optical integrating ball |
| JPH07212537A (en) * | 1994-01-20 | 1995-08-11 | Nichia Chem Ind Ltd | Generation method for standard light source for reading and light source device |
| JPH1062240A (en) * | 1996-08-20 | 1998-03-06 | Nikon Corp | Apparatus and method for measuring scattering |
| JPH11241949A (en) * | 1997-12-26 | 1999-09-07 | Minolta Co Ltd | Apparatus for measuring reflection property |
| JP2005119259A (en) * | 2003-09-26 | 2005-05-12 | Dainippon Printing Co Ltd | Highly light reflective transparent laminated film, its manufacturing method and liquid crystal display device |
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| JP4932045B1 (en) * | 2011-06-20 | 2012-05-16 | 西進商事株式会社 | Light source inspection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5471053A (en) * | 1994-06-24 | 1995-11-28 | E. I. Du Pont De Nemours And Company | Light collector |
| JP6260044B2 (en) * | 2013-07-31 | 2018-01-17 | 平岡織染株式会社 | Rear projection screen |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85200717U (en) * | 1985-04-01 | 1986-01-08 | 中国科学院安徽光学精密机械研究所 | Optical integrating ball |
| JPH07212537A (en) * | 1994-01-20 | 1995-08-11 | Nichia Chem Ind Ltd | Generation method for standard light source for reading and light source device |
| JPH1062240A (en) * | 1996-08-20 | 1998-03-06 | Nikon Corp | Apparatus and method for measuring scattering |
| JPH11241949A (en) * | 1997-12-26 | 1999-09-07 | Minolta Co Ltd | Apparatus for measuring reflection property |
| JP2005119259A (en) * | 2003-09-26 | 2005-05-12 | Dainippon Printing Co Ltd | Highly light reflective transparent laminated film, its manufacturing method and liquid crystal display device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107250743B (en) | 2019-07-05 |
| WO2016136402A1 (en) | 2016-09-01 |
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