Analog optical method for data evaluation in laser doppler anemometry

K. A. Butefisch; Juergen Kompenhans

doi:10.1117/12.34949

1 November 1990 A new analog optical method for data evaluation in laser doppler anemometry

K. A. Butefisch, Juergen Kompenhans

Proceedings Volume 1404, ICALEO '89: Optical Methods in Flow and Particle Diagnostics; (1990) https://doi.org/10.1117/12.34949
Event: ICALEO89, 1989, Orlando, FL, United States

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.

Citation Download Citation

K. A. Butefisch and Juergen Kompenhans "A new analog optical method for data evaluation in laser doppler anemometry", Proc. SPIE 1404, ICALEO '89: Optical Methods in Flow and Particle Diagnostics, (1 November 1990); https://doi.org/10.1117/12.34949

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