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Proceedings Paper

Detection of high-amplitude vibrations on rough surfaces using a photorefractive velocimeter
Author(s): Philippe Delaye; Sebastien de Rossi; Gerald Roosen
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Paper Abstract

We present a characterize theoretically and experimentally a photorefractive velocimeter. This device, based on two wave mixing in a rapid photorefractive crystal, measures the instantaneous velocity of a vibrating target. It is particularly adapted to the measurement of high amplitude (as high as some mm) low frequency (until some kHz) vibrations. Instantaneous velocity as high as 25 mm.s-1 are expected to be measured with common photorefractive semiconductors and CW lasers.

Paper Details

Date Published: 22 May 2000
PDF: 9 pages
Proc. SPIE 4072, Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (22 May 2000); doi: 10.1117/12.386743
Show Author Affiliations
Philippe Delaye, Institut d'Optique (France)
Sebastien de Rossi, Institut d'Optique (France)
Gerald Roosen, Institut d'Optique (France)


Published in SPIE Proceedings Vol. 4072:
Fourth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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