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Proceedings Paper

Sol-gel processed inorganic and organically modified composites for nonlinear optics and photonics
Author(s): Paras N. Prasad
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Paper Abstract

The newly emerging field of Nonlinear Optics and Photonics offers tremendous opportunities for optical engineers and materials scientists. The approach used for sol-gel optics i.e. the use of sol-gel processing can play a very important role for the development of novel materials and device structures for nonlinear optics and photonics. In this paper, chemical processing using the sol-gel method is reported for preparation of new composite materials of both a silica glass and a V2O gel with a ii conjugated polymer poly-p-phenylene vinylene up to 50% by weight. The omposite films show highly improved optical quality with large third-order nonlinear optical coefficient, the latter derived from the conjugated polymer. Optical waveguiding through the film has been achieved. Nonlinear optical studies using femtosecond degenerate four wave mixing, optical Kerr gate switching and power dependent waveguide coupling have been successfully performed. Also, to investigate the use of such films for optical recording, a two dimensional grating structure has successfully been produced.

Paper Details

Date Published: 1 November 1990
PDF: 6 pages
Proc. SPIE 1328, Sol-Gel Optics, (1 November 1990); doi: 10.1117/12.22556
Show Author Affiliations
Paras N. Prasad, SUNY/Buffalo (United States)


Published in SPIE Proceedings Vol. 1328:
Sol-Gel Optics
John D. Mackenzie; Donald R. Ulrich, Editor(s)

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