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Proceedings Paper

Use Of Electro-Optics In Laser Velocimetry
Author(s): Alain Boutier
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Paper Abstract

In laser velocimetry, flow velocities are deduced from the frequency of the light scattered by microparticles transported by the flow and seen through a fringe pattern. This frequency being independent of the sign of the velocity, this sign can be determined by moving the fringe pattern : this operation makes use of acousto-optical modulators which change the frequency of the laser beams interfering in the probe volume. A general discussion of this method compared to other possibilities is given in this paper.

Paper Details

Date Published: 25 July 1979
PDF: 7 pages
Proc. SPIE 0164, 4th European Electro-Optics Conf, (25 July 1979); doi: 10.1117/12.965518
Show Author Affiliations
Alain Boutier, Office Nafional d'Etudes et de Recherches Aerospatiales (ONERA) (France)


Published in SPIE Proceedings Vol. 0164:
4th European Electro-Optics Conf

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