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Proceedings Paper

Preparation of radial GRIN material with low distributed dispersion by a sol-gel process
Author(s): Hiroaki Kinoshita; Morinao Fukuoka; Yuko Morita; Hisashi Koike; Satoshi Noda
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Paper 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.

Paper Details

Date Published: 2 October 1997
PDF: 9 pages
Proc. SPIE 3136, Sol-Gel Optics IV, (2 October 1997); doi: 10.1117/12.279161
Show Author Affiliations
Hiroaki Kinoshita, Olympus Optical Co., Ltd. (Japan)
Morinao Fukuoka, Olympus Optical Co., Ltd. (Japan)
Yuko Morita, Olympus Optical Co., Ltd. (Japan)
Hisashi Koike, Olympus Optical Co., Ltd. (Japan)
Satoshi Noda, Olympus Optical Co., Ltd. (Japan)

Published in SPIE Proceedings Vol. 3136:
Sol-Gel Optics IV
Bruce S. Dunn; John D. Mackenzie; Edward J. A. Pope; Helmut K. Schmidt; Masayuki Yamane, Editor(s)

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