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Journal Articles Optics and Lasers in Engineering Year : 2000

High amplitude vibrations detection on rough surfaces using a photorefractive velocimeter

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Abstract

We present and 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 25mm.s-1 are expected to be measured with common photorefractive semiconductors and CW lasers
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Dates and versions

hal-00673948 , version 1 (05-03-2012)
hal-00673948 , version 2 (30-03-2012)

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Philippe Delaye, Sébastien de Rossi, Gérald Roosen. High amplitude vibrations detection on rough surfaces using a photorefractive velocimeter. Optics and Lasers in Engineering, 2000, 33, pp.335-347. ⟨10.1016/S0143-8166(00)00056-7⟩. ⟨hal-00673948v2⟩
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