Elastic scattering from spheres under non-plane-wave illumination

Joseph T. Hodges; Gerard Grehan; Cary Presser; Hratch G. Semerjian

doi:10.1117/12.145707

24 May 1993 Elastic scattering from spheres under non-plane-wave illumination

Joseph T. Hodges, Gerard Grehan, Cary Presser, Hratch G. Semerjian

Proceedings Volume 1862, Laser Applications in Combustion and Combustion Diagnostics; (1993) https://doi.org/10.1117/12.145707
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

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.

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Joseph T. Hodges, Gerard Grehan, Cary Presser, and Hratch G. Semerjian "Elastic scattering from spheres under non-plane-wave illumination", Proc. SPIE 1862, Laser Applications in Combustion and Combustion Diagnostics, (24 May 1993); https://doi.org/10.1117/12.145707

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