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Proceedings Paper

Elastic scattering from spheres under non-plane-wave illumination
Author(s): Joseph T. Hodges; Gerard Grehan; Cary Presser; Hratch G. Semerjian
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Paper Abstract

Measurements of the scattered light intensity from individual droplets illuminated by focused Gaussian laser beams are presented. The results are compared with both the generalized Lorenz-Mie theory and classical Lorenz-Mie theory of elastic scattering. The data are shown to be consistent with the generalized theory. Besides experimental results, computations indicate that differences between the two theoretical approaches exist. It is shown that for sufficiently small beam diameter, characteristic of focused laser beam illumination, the departure of elastic scattering from that predicted by the classical Lorenz-Mie theory can be significant.

Paper Details

Date Published: 24 May 1993
PDF: 15 pages
Proc. SPIE 1862, Laser Applications in Combustion and Combustion Diagnostics, (24 May 1993); doi: 10.1117/12.145707
Show Author Affiliations
Joseph T. Hodges, National Institute of Standards and Technology (United States)
Gerard Grehan, Lab. d'Energetique des Systemes et Procedes (France)
Cary Presser, National Institute of Standards and Technology (United States)
Hratch G. Semerjian, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 1862:
Laser Applications in Combustion and Combustion Diagnostics
Larry C. Liou, Editor(s)

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