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Proceedings Paper

Comparison of scanning and focal-plane-array cameras for IR thermal wave imaging
Author(s): Steven M. Shepard; Tasdiq Ahmed; Lawrence D. Favro; Robert L. Thomas; Pao-Kuang Kuo
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Paper Abstract

Thermal wave imaging (TWI) has typically relied upon HgCdTe optomechanical scanning radiometers in the 8 - 12 micrometers spectral range for image acquisition. However, recent improvements in manufacturing technology, spatial resolution, and device efficiency make PtSi and InSb focal plane array (FPA) cameras an attractive alternative in the 2 - 5 micrometers spectral range. We have compared the performance of off-the-shelf imagers of both scanning HgCdTe, and PtSi and InSb FPA types, in typical TWI applications, such as boxcar image processing of plastics and metals. The relative merits of detecting transient surface temperature variations in the 2 - 5 and 8 - 12 micrometers bands are discussed.

Paper Details

Date Published: 6 April 1993
PDF: 6 pages
Proc. SPIE 1933, Thermosense XV: An International Conference on Thermal Sensing and Imaging Diagnostic Applications, (6 April 1993); doi: 10.1117/12.141961
Show Author Affiliations
Steven M. Shepard, U.S. Army Tank-Automotive Command (United States)
Tasdiq Ahmed, Wayne State Univ. (United States)
Lawrence D. Favro, Wayne State Univ. (United States)
Robert L. Thomas, Wayne State Univ. (United States)
Pao-Kuang Kuo, Wayne State Univ. (United States)

Published in SPIE Proceedings Vol. 1933:
Thermosense XV: An International Conference on Thermal Sensing and Imaging Diagnostic Applications
Lee R. Allen, Editor(s)

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