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Characteristics of reflection of electromagnetic plane waves from a semibounded plasma with a diffuse scattering boundary
Author(s) -
Yasumoto K.,
Banfuku K.
Publication year - 1986
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/rs021i001p00167
Subject(s) - physics , scattering , reflection (computer programming) , electromagnetic radiation , plasma , absorption (acoustics) , boundary value problem , plane wave , plane (geometry) , plane of incidence , optics , computational physics , quantum mechanics , mathematics , geometry , computer science , programming language
The reflection of electromagnetic plane waves incident obliquely upon a semibounded, maxwellian plasma is investigated based on the kinetic theory. The perturbed velocity distribution function is assumed to satisfy the boundary condition of a diffuse scattering at the surface of the plasma. The numerical results of the reflection coefficients are presented for both cases of incidence of TM and TE waves. It is shown that as the temperature of plasma increases, the reflected energy from the diffuse scattering boundary is significantly reduced, especially within the frequency range of usual total reflection. This phenomenon is discussed at some length and is brought out to be closely related to a collisionless energy absorption by the surface charges which couple resonantly to the incident wave.