DIFFRACTION GRATING AND ANALYZER

PROBLEM TO BE SOLVED: To provide a diffraction grating whose wavelength dispersion characteristic is stable for changes in temperature and an analyzer having the same.SOLUTION: A diffraction grating includes a substrate and a light reflection film. A plurality of saw-tooth shape grooves are provided...

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Main Authors MORIOKA TOMONARI, TANAKA TATSUYA
Format Patent
LanguageEnglish
Published 07.07.2014
Subjects
COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
RADIATION PYROMETRY
TESTING
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Abstract PROBLEM TO BE SOLVED: To provide a diffraction grating whose wavelength dispersion characteristic is stable for changes in temperature and an analyzer having the same.SOLUTION: A diffraction grating includes a substrate and a light reflection film. A plurality of saw-tooth shape grooves are provided with the light reflection film. Between the substrate and light reflection film, resin is provided. In the diffraction grating, a supporting film composed of a hard member is provided between the light reflection film and resin. In the resin, low thermal expansion particulates having a small thermal expansion coefficient are filled.
AbstractList PROBLEM TO BE SOLVED: To provide a diffraction grating whose wavelength dispersion characteristic is stable for changes in temperature and an analyzer having the same.SOLUTION: A diffraction grating includes a substrate and a light reflection film. A plurality of saw-tooth shape grooves are provided with the light reflection film. Between the substrate and light reflection film, resin is provided. In the diffraction grating, a supporting film composed of a hard member is provided between the light reflection film and resin. In the resin, low thermal expansion particulates having a small thermal expansion coefficient are filled.
Author TANAKA TATSUYA
MORIOKA TOMONARI
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Snippet PROBLEM TO BE SOLVED: To provide a diffraction grating whose wavelength dispersion characteristic is stable for changes in temperature and an analyzer having...
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SubjectTerms COLORIMETRY
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT
MEASURING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
RADIATION PYROMETRY
TESTING
Title DIFFRACTION GRATING AND ANALYZER
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