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Optical Engineering

Design principle for simultaneous emissivity and temperature measurements
Author(s): Lixin Chen; Bing T. Yang; Xierong Hu
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Paper Abstract

One of the critical questions regarding radiation thermometers is how to obtain the true temperature of an emitting opaque body with an unknown emissivity and with unknown circumferential radiations. We suggest that two enclosed chambers with given temperatures and emissivities be used to cover part of the area of the emitting body. By use of two simultaneous radiothermometer readings, both the true temperature and the emissivity of the graybody can be calculated.

Paper Details

Date Published: 1 December 1990
PDF: 4 pages
Opt. Eng. 29(12) doi: 10.1117/12.55745
Published in: Optical Engineering Volume 29, Issue 12
Show Author Affiliations
Lixin Chen, Shandong Univ. (China)
Bing T. Yang, Science Applications International Corp. (Taiwan)
Xierong Hu, Shandong Univ. (China)

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