Coherent Electromagnetic Waves In The Presence Of A Half Space Of Randomly Distributed Scatterers

M A Karam; A K Fung

doi:10.1117/12.945816

14 July 1988 Coherent Electromagnetic Waves In The Presence Of A Half Space Of Randomly Distributed Scatterers

M A Karam, A K Fung

Proceedings Volume 0927, Wave Propagation and Scattering in Varied Media; (1988) https://doi.org/10.1117/12.945816
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

For a half space of small spherical scatterers illuminated by a plane wave at oblique incidence, the coherent field propagation is investigated by solving the Foldy-Twerskey Integral Equation. It is found that for a horizontally polarized incident wave, the coherent field is horizontally polarized with reflectivity and transmissivity agreeing with the Fresnel formula for an equivalent continuous effective medium. For a vertically polarized incident wave, both vertical and longitudinal wave have been obtained for the coherent field. Furthermore, the reflectivity and transmissivity do not agree with the Fresnel formula. In numerical illustrations for both the transverse and longitudinal waves, the effective wave number, the reflectivity and transmissivity show strong dependence on particle size, volume fraction, scatterer-dielectric constant and the incident wave number.

Citation Download Citation

M A Karam and A K Fung "Coherent Electromagnetic Waves In The Presence Of A Half Space Of Randomly Distributed Scatterers", Proc. SPIE 0927, Wave Propagation and Scattering in Varied Media, (14 July 1988); https://doi.org/10.1117/12.945816

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