Propagation of Electromagnetic Waves in Inhomogeneous Plasmas

Year: 1994

Authors: Busatti E., Ciucci A., De Rosa M., Palleschi V., Rastelli S., Lontano M., Lunin N.

Autors Affiliation: Istituto di Fisica Atomica e Molecolare del C.N.R., Via del Giardino, 7-56127, Pisa, Italy; Istituto di Fisica del Plasma, EURATOM-ENEA-CNR Association, Via Bassini, 15-20133, Milano, Italy; Institute of Applied Physics, Russian Academy of Sciences, 46 Uljanov Street, 603600, Nizhny Novgorod, Russian Federation

Abstract: The reflection and transmission coefficients for an electromagnetic beam propagating in an inhomogeneous plasma are calculated analytically using the Magnus approximation in different physical configurations. The theoretical predictions for such coefficients are expressed in simple analytical form, and are compared with the exact results obtained by numerical solution of the wave propagation equations, using the Berreman 4 x 4 matrix method. It is shown that the theoretical approach is able to reproduce the correct results for reflection and transmission coefficients over a wide range of physical parameters. The accuracy of the theoretical analysis, at different orders of approximation, is also discussed.

Journal/Review: JOURNAL OF PLASMA PHYSICS

Volume: 52 (part 3)      Pages from: 443  to: 456

KeyWords: Electromagnetic beams; Inhomogeneous plasma; Magnus approximation; Physical parameters; Propagation of electromagnetic waves; Reflection and transmission coefficients; Theoretical approach; Wave propagation equations, Condensed matter physics; Plasmas, Electromagnetic wave propagation
DOI: 10.1017/S0022377800027240

Citations: 3
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