Fourier transform fringe analysis of electronic speckle pattern interferometry fringes from high-speed rotating components

Richard W. T. Preater; Robin C. Swain

doi:10.1117/12.163126

1 April 1994 Fourier transform fringe analysis of electronic speckle pattern interferometry fringes from high-speed rotating components

Richard W. T. Preater, Robin C. Swain

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Optical Engineering, Vol. 33, Issue 4, (April 1994). https://doi.org/10.1117/12.163126

Abstract

The ability to measure in-plane displacement on the surface of a rotating structure under service conditions and real-time analysis to provide component strain distributions would form the ideal experimental optical technique. Pulsed laser electronic speckle pattern interferometry, which can display interference patterns for in-plane displacement in conjunction with the Fourier transform method of fringe analysis, is one attractive approach that is coming closer to this ideal. The optical system used enables a wide range of rotational speeds to be covered with tangential velocities up to 300 m/s.

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Richard W. T. Preater and Robin C. Swain "Fourier transform fringe analysis of electronic speckle pattern interferometry fringes from high-speed rotating components," Optical Engineering 33(4), (1 April 1994). https://doi.org/10.1117/12.163126

Published: 1 April 1994

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