High Temperature Refractory Coating Materials For Sapphire Waveguides

Ayesha R. Raheem-Kizchery; Seshu B. Desu; Richard O. Claus

doi:10.1117/12.963127

5 February 1990 High Temperature Refractory Coating Materials For Sapphire Waveguides

Ayesha R. Raheem-Kizchery, Seshu B. Desu, Richard O. Claus

Proceedings Volume 1170, Fiber Optic Smart Structures and Skins II; (1990) https://doi.org/10.1117/12.963127
Event: OE/FIBERS '89, 1989, Boston, United States

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.

Citation Download Citation

Ayesha R. Raheem-Kizchery, Seshu B. Desu, and Richard O. Claus "High Temperature Refractory Coating Materials For Sapphire Waveguides", Proc. SPIE 1170, Fiber Optic Smart Structures and Skins II, (5 February 1990); https://doi.org/10.1117/12.963127

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