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Proceedings Paper

Pulsed Laser Interferolaetry of Large Vehicle Components
Author(s): G. R. Gerhart; G. Arutunian
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Paper Abstract

A pulse ruby laser is used to record double exposure holograms of large vibrating military vehicle components. Various methods are described to load the structures using small portable shakers. Several examples are presented which analyze the global fringe patterns of Army vehicles and relate them to the bending waves that are propagated from the track and suspension to the hull and turret. The temporal coherence requirements of the laser are described along with its mechanical and thermal stability for reliable operation in the laboratory.

Paper Details

Date Published: 10 September 1987
PDF: 8 pages
Proc. SPIE 0746, Industrial Laser Interferometry, (10 September 1987); doi: 10.1117/12.939757
Show Author Affiliations
G. R. Gerhart, RDE Center (United States)
G. Arutunian, RDE Center (United States)

Published in SPIE Proceedings Vol. 0746:
Industrial Laser Interferometry
Ryszard J. Pryputniewicz, Editor(s)

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