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Proceedings Paper

Analog optical method for data evaluation in laser doppler anemometry
Author(s): K. A. Butefisch; Juergen Kompenhans
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Paper Abstract

A fast analog optical method for evaluating Doppler bursts is presented. The method uses an optical 2D Fourier processor and a spatial light modulator. Two different setups for evaluation of Doppler bursts are described. The method reduces considerably the time needed for evaluation and the setup cost is reduced compared to computer-based burst analyzers.

Paper Details

Date Published: 1 November 1990
PDF: 7 pages
Proc. SPIE 1404, ICALEO '89: Optical Methods in Flow and Particle Diagnostics, (1 November 1990); doi: 10.1117/12.34949
Show Author Affiliations
K. A. Butefisch, Institute fur Experimentelle Stromungsmechanik (Germany)
Juergen Kompenhans, Institute fur Experimentelle Stromungsmechanik (Germany)

Published in SPIE Proceedings Vol. 1404:
ICALEO '89: Optical Methods in Flow and Particle Diagnostics
Marshall B. Long, Editor(s)

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