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Proceedings Paper

Multispectral pyrometry for insulating material emissometry
Author(s): Michael E. Thomas; Milton J. Linevsky
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Paper Abstract

A multispectral pyrometric technique has been developed for obtaining the temperature of many insulating materials which makes use of infrared spectral measurements in the two phonon region of these materials. In the two phonon region the emissivity is virtually temperature independent and the approach developed here requires only a single calibration point. The technique has been found to be simple, convenient, and accurate. A sensitivity of +/- 2 degrees Kelvin at 1000 K is demonstrated on an emission spectrum of sapphire.

Paper Details

Date Published: 8 October 1998
PDF: 8 pages
Proc. SPIE 3425, Optical Diagnostic Methods for Inorganic Transmissive Materials, (8 October 1998); doi: 10.1117/12.326659
Show Author Affiliations
Michael E. Thomas, Johns Hopkins Univ. (United States)
Milton J. Linevsky, General Physics Corp. (United States)

Published in SPIE Proceedings Vol. 3425:
Optical Diagnostic Methods for Inorganic Transmissive Materials
Raju V. Datla; Leonard M. Hanssen, Editor(s)

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