Particle Field Holography Data Reduction By Fourier Transform Analysis

Cecil F. Hess; James D. Trolinger; Timothy R. Wilmot

doi:10.1117/12.946273

12 June 1985 Particle Field Holography Data Reduction By Fourier Transform Analysis

Cecil F. Hess, James D. Trolinger, Timothy R. Wilmot

Proceedings Volume 0523, Applications of Holography; (1985) https://doi.org/10.1117/12.946273
Event: 1985 Los Angeles Technical Symposium, 1985, Los Angeles, United States

Abstract

The size distribution of a particle field hologram is obtained with a Fourier transfor-mation of the Fraunhofer diffraction pattern of the reconstructed hologram. Off-axis absorption holograms of particle fields with known characteristics were obtained and ana-lyzed with a commercially available instrument. The mean particle size of the reconstructed hologram was measured with an error of ±5%, while the distribution broadening was estimated within ±15%. Small sections of a pulsed laser hologram of a synthetic fuel spray were analyzed with this method thus yielding a spatially resolved size distribution. The method yields fast and accurate automated analysis of particle field holograms.

Citation Download Citation

Cecil F. Hess, James D. Trolinger, and Timothy R. Wilmot "Particle Field Holography Data Reduction By Fourier Transform Analysis", Proc. SPIE 0523, Applications of Holography, (12 June 1985); https://doi.org/10.1117/12.946273

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