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Optical Engineering

Comparative TV holography for vibration analysis
Author(s): Henrik O. Saldner; Nandigana K. Krishna Mohan; Nils-Erik Molin
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Paper Abstract

A comparative time-averaged TV holographic technique that allows fringe compensation is presented. The technique employs two identical objects, the test and the master, that are subjected to sinusoidal vibration to detect the difference in either out-of-plane vibration amplitude or phase distributions. In addition, the present optical configuration offers simultaneous visualization of vibration amplitudes of the test object. Detailed theoretical and experimental results are presented.

Paper Details

Date Published: 1 February 1995
PDF: 7 pages
Opt. Eng. 34(2) doi: 10.1117/12.188613
Published in: Optical Engineering Volume 34, Issue 2
Show Author Affiliations
Henrik O. Saldner, Lulea Univ. of Technology (Sweden)
Nandigana K. Krishna Mohan, Indian Institute of Technology/Madras (India)
Nils-Erik Molin, Lulea Univ. of Technology (Sweden)


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