Affiliation:
1. Department of Theoretical and Applied Mechanics, University of Illinois, Urbana, Ill.
Abstract
This paper describes a new technique called “Holo-moire´ interferometry” which combines the moire´ and holographic techniques so that full-field measurement of the displacements normal to the line of sight is achieved. The method is particularly useful in measuring in-plane displacements; a type of measurement for which the conventional moire´ technique is too insensitive, and for which holographic interferometry requires pointwise separation of displacement components from a multiple-hologram scheme. Holo-moire´ interferometry overcomes the major limitations of both. An example which compares experimental with analytical predictions is presented. The limitations of the scheme are discussed.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Cited by
15 articles.
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