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Optical Engineering

Thermal imaging of repetitive events at above-frame-rate frequencies
Author(s): Steven M. Shepard; David T. Sass
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Paper Abstract

We have developed a technique that enables us to acquire images of high speed (>60 Hz), repetitive thermal phenomena. A prototype system has been built and used successfully to image events occurring at frequencies as high as 1 kHz. The theoretical upper frequency limit for the system is 4 kHz. The time required to acquire images with this technique is proportional to the frequency of the event of interest. The prototype system consists of an off-the-shelf imaging radiometer (Inframetrics lR 600), a microcomputer, and specially developed hardware and software. In this paper, we describe the theory and operation of the system.

Paper Details

Date Published: 1 February 1990
PDF: 5 pages
Opt. Eng. 29(2) doi: 10.1117/12.55579
Published in: Optical Engineering Volume 29, Issue 2
Show Author Affiliations
Steven M. Shepard, U.S. Army Tank-Automotive Command (United States)
David T. Sass, U.S. Army Tank-Automotive Command (United States)

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