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Optical Engineering

Flaw detection using lock-in temporal speckle pattern interferometry and thermal waves
Author(s): Andrés E. Dolinko; Guillermo H. Kaufmann
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Paper Abstract

This paper presents the evaluation of a removal method to cancel the thermal convection effect that is generated in vertically positioned metal plates loaded by thermal waves when a lock-in temporal speckle pattern interferometry technique is used to detect hidden flaws. Additionally, the resolution of this technique to detect two nearby flaws is also analyzed.

Paper Details

Date Published: 1 November 2007
PDF: 7 pages
Opt. Eng. 46(11) 115601 doi: 10.1117/1.2801725
Published in: Optical Engineering Volume 46, Issue 11
Show Author Affiliations
Andrés E. Dolinko, Univ. Nacional de Rosario (Argentina)
Guillermo H. Kaufmann, Univ. Nacional de Rosario (Argentina)

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