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Proceedings Paper

High-temperature optical properties of oxide dome materials
Author(s): Raymond M. Sova; Milton J. Linevsky; Michael E. Thomas; F. Fausten Mark
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Paper Abstract

A vacuum emissometer utilizing a CO2 laser for high temperature sample heating has been designed and built for use with a Fourier Transform spectrometer. A two-color pyrometer technique is used to calculate sample temperatures. Oxides such as sapphire, spinel, yttria, ALON and fused silica are experimentally characterized from 600 to 2000 K and from 500 to 5000 cm-1. A glowing yttria sample has also been characterized over the spectral range of 8500 to 13500 cm-1. Good agreement with a quantum mechanical multiphoton model for the complex index of refraction, also developed at APL, is obtained.

Paper Details

Date Published: 14 December 1992
PDF: 14 pages
Proc. SPIE 1760, Window and Dome Technologies and Materials III, (14 December 1992); doi: 10.1117/12.130783
Show Author Affiliations
Raymond M. Sova, Johns Hopkins Univ. (United States)
Milton J. Linevsky, Johns Hopkins Univ. (United States)
Michael E. Thomas, Johns Hopkins Univ. (United States)
F. Fausten Mark, Johns Hopkins Univ. (United States)

Published in SPIE Proceedings Vol. 1760:
Window and Dome Technologies and Materials III
Paul Klocek, Editor(s)

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