Nonlinear optical element and process for the preparation of sam

Details Nonlinear optical element and process for the preparation of sam Nonlinear optical element and process for the preparation of sam

1994-02-14

1998-10-20

Tucker, Philip

Compositions

Light transmission modifying compositions

252584, 252587, 359328, 359329, F21V 900, F21V 904

Patent

active

058242406

ABSTRACT:
The present invention provides a nonlinear optical element having a sufficient thickness that can be used as a thin film insusceptible to crack and a process for the preparation thereof. A novel nonlinear optical element which gives a nonlinear response to incident light is provided, comprising finely divided grains of a semiconductor or metal, which grains have been separated out with the reaction of a functional group in a matrix-forming substance containing said functional group, dispersed in a matrix. A process for the preparation of a nonlinear optical element which gives a nonlinear response to incident light is also provided, which comprises mixing a solution of a matrix-forming substance containing a functional group with a metal, a semiconductor or a precursor thereof to form a uniform solution, and then allowing said functional group to undergo reaction to form a matrix while allowing finely divided grains of said metal or semiconductor to be separated out in said matrix.

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M. Nogami et al., "Preparation and Nonlinear Optical Properties of Quantum-Sized CuC1-Doped Silica Glass by the Sol-Gel Process", J. Am. Ceram. Soc., vol. 74 (1991), pp. 238-240.
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