Zebra schlieren optics for leak detection

A modification of schlieren optics was explored as a technique for industrial gas-leak detection. A high-contrast pattern on thin reflecting material was imaged with a zoom lens onto a negative of the same pattern as a method of eliminating the ordinary rays. The geometry of the industrial setting d...

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Bibliographic Details
Published in:Applied optics (2004) 1996-08, Vol.35 (22), p.4518-4521
Main Authors: Peale, R E, Summers, P L
Format: Article
Language:English
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Summary:A modification of schlieren optics was explored as a technique for industrial gas-leak detection. A high-contrast pattern on thin reflecting material was imaged with a zoom lens onto a negative of the same pattern as a method of eliminating the ordinary rays. The geometry of the industrial setting determines the useful spatial frequency of the pattern.
ISSN:1559-128X
DOI:10.1364/AO.35.004518