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Featured researches published by Yuko Morita.


Optical Science, Engineering and Instrumentation '97 | 1997

Preparation of radial GRIN material with low distributed dispersion by a sol-gel process

Hiroaki Kinoshita; Morinao Fukuoka; Yuko Morita; Hisashi Koike; Satoshi Noda

A radial gradient-index (r-GRIN) material with low distributed dispersion (T10 equals 0.003, V10 equals 340) was successfully prepared by sol-gel process in SiO2-TiO2BaO-K2O system. The r-GRIN lens with flat surfaces performed little chromatic aberration. Sol-gel synthesis process using metal salts to realize the r-GRIN materials with low distributed dispersion was investigated. The low distributed dispersion was achieved by convex distribution for barium and even distribution for titanium against silicon along a diameter. The sol-gel process enables to prepare r- GRIN materials which have necessary low distributed dispersion on demand.


Archive | 1997

Process for making gradient index optical elements

Hisashi Koike; Yuko Morita


Archive | 2003

Organic-inorganic composite material, its manufacturing method and optical element

Yuko Morita; 祐子 森田


Archive | 1998

Gradient-index optical element and its fabrication method

Yuko Morita; Satoshi Noda; Hiroaki Kinoshita


Archive | 2010

FABRICATION PROCESS FOR SINGLE-CRYSTAL OPTICAL DEVICES

Hiroaki Kinoshita; Yuko Morita


Archive | 2002

Organic inorganic composite material and its production method

Hiroaki Kinoshita; Yuko Morita; 博章 木下; 祐子 森田


Archive | 2000

Optical device using organic inorganic composite material

Kokichi Kenno; Hiroaki Kinoshita; Yuko Morita; 博章 木下; 祐子 森田; 孝吉 研野


Archive | 2001

Optical element using organic-inorganic composite material

Takayoshi Togino; Yuko Morita; Hiroaki Kinoshita


Journal of The Ceramic Society of Japan | 2002

Design of Glass Composition for Radial-GRIN Lens with Large Δn and Low Distributed Dispersion

Morinao Fukuoka; Hiroaki Kinoshita; Satoshi Noda; Yuko Morita


Journal of The Ceramic Society of Japan | 2002

Expansion of Refractive Index Difference of the SiO2-TiO2-BaO-K2O Systems r-GRIN Lens with Low Dispersion Distribution

Morinao Fukuoka; Yuko Morita; Hisashi Koike; Hiroaki Kinoshita

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