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Proceedings Paper

Investigation of submillimeter components by heterodyne holographic interferometry and computational methods
Author(s): Gordon C. Brown; Ryszard J. Pryputniewicz
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Paper Abstract

Stroboscopic heterodyne holographic interferometry, and computational methods were used to study vibrations of submillimeter size cantilever beams. The holographic method described performs phase measurements on an image which has been magnified up to 20 X. With the ability to measure vibration amplitudes with an accuracy of 1/1000 of one fringe, an effective measurement was made every 50 microns along the surface of the object. Both analytical and finite element method solutions were obtained and comparison to experimental results showed good correlation.

Paper Details

Date Published: 5 February 1993
PDF: 11 pages
Proc. SPIE 1755, Interferometry: Techniques and Analysis, (5 February 1993); doi: 10.1117/12.140760
Show Author Affiliations
Gordon C. Brown, Worcester Polytechnic Institute (United States)
Ryszard J. Pryputniewicz, Worcester Polytechnic Institute (United States)

Published in SPIE Proceedings Vol. 1755:
Interferometry: Techniques and Analysis
Gordon M. Brown; Osuk Y. Kwon; Malgorzata Kujawinska; Graeme T. Reid, Editor(s)

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