Extinction, absorption, and light pressure cross sections of spherical particles in the modified geometrical optics approximation

Alexander A. Kokhanovsky; Eleonora P. Zege

doi:10.1117/12.178002

29 June 1994 Extinction, absorption, and light pressure cross sections of spherical particles in the modified geometrical optics approximation

Alexander A. Kokhanovsky, Eleonora P. Zege

Author Affiliations +

Proceedings Volume 2222, Atmospheric Propagation and Remote Sensing III; (1994) https://doi.org/10.1117/12.178002
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

A new analytical solution for the local optical characteristics (extinction, light pressure, and absorption coefficients, asymmetry parameter of a phase function) of spherical polydispersions with comparatively large particles are derived. The geometrical optics (GO) approximation is used to solve the problem. To improve the accuracy of the GO approximation the edge effects were taken into account. A comparison with the Mie theory data shows a fairly satisfactory accuracy of our analytic formulas.

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Alexander A. Kokhanovsky and Eleonora P. Zege "Extinction, absorption, and light pressure cross sections of spherical particles in the modified geometrical optics approximation", Proc. SPIE 2222, Atmospheric Propagation and Remote Sensing III, (29 June 1994); https://doi.org/10.1117/12.178002

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