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

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

doi:10.1117/12.279161

2 October 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

Proceedings Volume 3136, Sol-Gel Optics IV; (1997) https://doi.org/10.1117/12.279161
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

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.

Citation Download Citation

Hiroaki Kinoshita, Morinao Fukuoka, Yuko Morita, Hisashi Koike, and Satoshi Noda "Preparation of radial GRIN material with low distributed dispersion by a sol-gel process", Proc. SPIE 3136, Sol-Gel Optics IV, (2 October 1997); https://doi.org/10.1117/12.279161

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