Size distribution measurement of particles in LDA systems using back scattering geometry

Peter Jani; Attila Nagy; Aladar Czitrovszky

doi:10.1117/12.323322

29 September 1998 Size distribution measurement of particles in LDA systems using back scattering geometry

Peter Jani, Attila Nagy, Aladar Czitrovszky

Proceedings Volume 3407, International Conference on Applied Optical Metrology; (1998) https://doi.org/10.1117/12.323322
Event: International Conference on Applied Optical Metrology, 1998, Balatonfured, Hungary

Abstract

Several proposals are known for the simultaneous measurement of particle velocities and size. In this study we propose to measure the ratio of the contents of two specific channels of the Fourier transform of the autocorrelation function of the pre-detection signal corresponding to single particle transit of the sensing volume. We show that in a wide range of experimental conditions this ratio is a monotonous function of particle size. This circumstance leads to the possibility of defining calibration curves for practical devices.

Citation Download Citation

Peter Jani, Attila Nagy, and Aladar Czitrovszky "Size distribution measurement of particles in LDA systems using back scattering geometry", Proc. SPIE 3407, International Conference on Applied Optical Metrology, (29 September 1998); https://doi.org/10.1117/12.323322

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