POROUS FILM, OPTICAL ELEMENT, OPTICAL SYSTEM, EXCHANGE LENS AND OPTICAL DEVICE

The invention relates to a porous film, an optical element, an optical system, an exchange lens, and an optical device. The porous membrane has silica particles, and has a refractive index of 1.1-1.25 and a contact angle with water of 40 DEG or more. 本发明涉及多孔质膜、光学元件、光学系统、交换透镜和光学装置。多孔质膜是具有二氧化硅颗粒的多孔质膜，...

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Bibliographic Details
Main Authors SUZUKI RYOKO, OSAKA MASAHIRO, YONEYAMA KENJI
Format Patent
LanguageChinese
English
Published 24.11.2023
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The invention relates to a porous film, an optical element, an optical system, an exchange lens, and an optical device. The porous membrane has silica particles, and has a refractive index of 1.1-1.25 and a contact angle with water of 40 DEG or more. 本发明涉及多孔质膜、光学元件、光学系统、交换透镜和光学装置。多孔质膜是具有二氧化硅颗粒的多孔质膜，其折射率为1.1～1.25，对水的接触角为40°以上。
Bibliography:Application Number: CN202311154705