Method of manufacturing an apodizer, and optical module

An optical module comprises an apodizer includes a black resin layer having a concavity the diameter of which gradually changes in a direction light passes through the apodizer, and, provided in the concavity, a transparent resin layer having the same refractive index as the black resin layer, the b...

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Bibliographic Details
Main Authors KONNO YUSAKU, IWATA KATSUO, INOMOTO MINORU, OKADA NAOTADA, OGASAHARA TAKAYUKI
Format Patent
LanguageEnglish
Published 10.02.2015
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:An optical module comprises an apodizer includes a black resin layer having a concavity the diameter of which gradually changes in a direction light passes through the apodizer, and, provided in the concavity, a transparent resin layer having the same refractive index as the black resin layer, the black resin layer and the transparent resin layer having a total thickness of 0.001 to 0.10 mm, an input lens opposed to the black resin layer of the apodizer and an output lens opposed to the transparent resin layer of the apodizer.
Bibliography:Application Number: US201313833285