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Proceedings Paper

Tangential velocity measurement of diffuse object by using modulated dynamic speckle
Author(s): Ivan A. Popov; Leonid M. Veselov
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Paper Abstract

The use of transmission grating for measurement of rough body tangential velocity is discussed. The possibility of obtaining narrow component in the spectrum of scattered from rough surface and transmitted through the grating radiation is confirmed both theoretically and experimentally. The availability of a narrow component in the spectrum of scattered radiation with (Delta) f/f < 2 10-2 enables one to measure tangential velocity of the diffuse object within +/- 0.5% accuracy.

Paper Details

Date Published: 23 August 1996
PDF: 9 pages
Proc. SPIE 2868, Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, (23 August 1996); doi: 10.1117/12.248681
Show Author Affiliations
Ivan A. Popov, S.I. Vavilov State Optical Institute (Russia)
Leonid M. Veselov, S.I. Vavilov State Optical Institute (Russia)


Published in SPIE Proceedings Vol. 2868:
Second International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
Enrico Primo Tomasini, Editor(s)

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