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Proceedings Paper

High Temperature Refractory Coating Materials For Sapphire Waveguides
Author(s): Ayesha R. Raheem-Kizchery; Seshu B. Desu; Richard O. Claus
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Paper Abstract

Refractory materials are examined for thermodynamic suitability for coating sapphire waveguides. The materials selected are silicon carbide, zirconia, silica and metal niobium. Experimental verification of chemical reaction in very low pressure and at 857C temperature is studied through X-ray diffraction patterns of the samples before and after heating. Electron microprobe analysis will provide valuable information on weight percentage of chemical reactions and SEM will provide some information on visible changes in the sample. Various methods are available for coating the fiber that would make it suitable for high temperature, pressure, vibration, strain and other mechanical sensing in harsh environments.

Paper Details

Date Published: 5 February 1990
PDF: 21 pages
Proc. SPIE 1170, Fiber Optic Smart Structures and Skins II, (5 February 1990); doi: 10.1117/12.963127
Show Author Affiliations
Ayesha R. Raheem-Kizchery, Virginia Polytechnic Institute and State University (United States)
Seshu B. Desu, Virginia Polytechnic Institute and State University (United States)
Richard O. Claus, Virginia Polytechnic In-stitute and State University (United States)

Published in SPIE Proceedings Vol. 1170:
Fiber Optic Smart Structures and Skins II
Eric Udd, Editor(s)

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