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Particle image velocimetry: direct pulsed image recording on a bistable optically addressed spatial light modulator for real-time fluid flow mapping

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Abstract

We describe direct pulsed image recording onto a bistable optically addressed spatial light modulator in particle image velocimetry (PIV). By coupling this technique with the parallel optical spatial autocorrelator for PIV data processing, one can obtain a fluid flow map within seconds without the necessity for off-line processing. The feasibility of recording a double-pulsed particle image is explored and demonstrated experimentally.

© 1995 Optical Society of America

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