WAVELENGTH FILTER AND LIGHT RECEIVING ELEMENT

A wavelength filter of an embodiment includes: a first layer having a plurality of first regions containing a first material and a plurality of second regions containing a second material having a refractive index higher than that of the first material, each of the second regions provided between ea...

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Bibliographic Details
Main Authors WARABI, Kaori, YOSHIDA, Haruhiko, OHIRA, Kazuya, UEMURA, Hirotaka
Format Patent
LanguageEnglish
Published 20.09.2018
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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Summary:A wavelength filter of an embodiment includes: a first layer having a plurality of first regions containing a first material and a plurality of second regions containing a second material having a refractive index higher than that of the first material, each of the second regions provided between each of the first regions; a second layer provided on the first layer and containing the first material; and a third layer having a plurality of third regions containing the first material, each of the third regions provided on the second layer above each of the first regions, and a plurality of fourth regions containing the second material, each of the fourth regions provided between each of the third regions.
Bibliography:Application Number: US201715688032