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Proceedings Paper

In-plane displacement measurement on rotating components using pulsed laser ESPI (electronic speckle pattern interferometry)
Author(s): Richard W. T. Preater
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Paper Abstract

A pulsed ESPI laser for measuring in-plane displacements and strain on rotating components is shown to operate in a very wide range of component speeds and tangential velocities. An optical system based on fiber optics techniques in conjunction with an infrared diode laser can provide clear interface fringes for radial displacements on a rotating component at tangential velocities up to 150 m/s.

Paper Details

Date Published: 1 March 1991
PDF: 8 pages
Proc. SPIE 1399, Optical Systems in Adverse Environments, (1 March 1991); doi: 10.1117/12.26094
Show Author Affiliations
Richard W. T. Preater, City Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 1399:
Optical Systems in Adverse Environments
Soon Fatt Yoon; M. H. Kuok; Donald E. Silva, Editor(s)

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