In-plane displacement measurement on rotating components using pulsed laser ESPI (electronic speckle pattern interferometry)

Richard W. T. Preater

doi:10.1117/12.26094

1 March 1991 In-plane displacement measurement on rotating components using pulsed laser ESPI (electronic speckle pattern interferometry)

Richard W. T. Preater

Author Affiliations +

Proceedings Volume 1399, Optical Systems in Adverse Environments; (1991) https://doi.org/10.1117/12.26094
Event: Singapore, 1990, -, Singapore

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.

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Richard W. T. Preater "In-plane displacement measurement on rotating components using pulsed laser ESPI (electronic speckle pattern interferometry)", Proc. SPIE 1399, Optical Systems in Adverse Environments, (1 March 1991); https://doi.org/10.1117/12.26094

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