Modified radiative transfer theory for a two-layer anisotropic random medium

J. K. Lee; J. A. Kong

doi:10.1163/156939388X00297

Modified radiative transfer theory for a two-layer anisotropic random medium

J. K. Lee, J. A. Kong

Department of Electrical Engineering & Computer Science

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

The modified radiative transfer (MRT) equations which describe propagation and scattering of the electromagnetic field intensity in a layered anisotropic random medium are derived from the Bethe-Salpeter equation with the ladder approximation and the Dyson equation with the nonlinear approximation. The extinction matrices and scattering phase matrices for both mean and incoherent field intensities are obtained. Backscattering enhancement is observed due to the spatial coherent effect between upward and downward propagating waves. It also occurs for the half-space case, because of coupling between ordinary and extraordinary waves. The depolarization effect is predicted in the first-order renormalization approximation to the MRT equation.

Original language	English (US)
Pages (from-to)	391-424
Number of pages	34
Journal	Journal of Electromagnetic Waves and Applications
Volume	2
Issue number	3-4
DOIs	https://doi.org/10.1163/156939388X00297
State	Published - Jan 1 1988

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Physics and Astronomy
Electrical and Electronic Engineering

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title = "Modified radiative transfer theory for a two-layer anisotropic random medium",

abstract = "The modified radiative transfer (MRT) equations which describe propagation and scattering of the electromagnetic field intensity in a layered anisotropic random medium are derived from the Bethe-Salpeter equation with the ladder approximation and the Dyson equation with the nonlinear approximation. The extinction matrices and scattering phase matrices for both mean and incoherent field intensities are obtained. Backscattering enhancement is observed due to the spatial coherent effect between upward and downward propagating waves. It also occurs for the half-space case, because of coupling between ordinary and extraordinary waves. The depolarization effect is predicted in the first-order renormalization approximation to the MRT equation.",

author = "Lee, {J. K.} and Kong, {J. A.}",

note = "Funding Information: This work was supported by NSF Grant 8504381-ECS, the ONR Contract 83K0528, and NASA Grants NAGS-769 and NAG5-270. The Editor thanks A. J. Blanchard, M. A. K. M. for the paper.",

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AU - Kong, J. A.

N1 - Funding Information: This work was supported by NSF Grant 8504381-ECS, the ONR Contract 83K0528, and NASA Grants NAGS-769 and NAG5-270. The Editor thanks A. J. Blanchard, M. A. K. M. for the paper.

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N2 - The modified radiative transfer (MRT) equations which describe propagation and scattering of the electromagnetic field intensity in a layered anisotropic random medium are derived from the Bethe-Salpeter equation with the ladder approximation and the Dyson equation with the nonlinear approximation. The extinction matrices and scattering phase matrices for both mean and incoherent field intensities are obtained. Backscattering enhancement is observed due to the spatial coherent effect between upward and downward propagating waves. It also occurs for the half-space case, because of coupling between ordinary and extraordinary waves. The depolarization effect is predicted in the first-order renormalization approximation to the MRT equation.

AB - The modified radiative transfer (MRT) equations which describe propagation and scattering of the electromagnetic field intensity in a layered anisotropic random medium are derived from the Bethe-Salpeter equation with the ladder approximation and the Dyson equation with the nonlinear approximation. The extinction matrices and scattering phase matrices for both mean and incoherent field intensities are obtained. Backscattering enhancement is observed due to the spatial coherent effect between upward and downward propagating waves. It also occurs for the half-space case, because of coupling between ordinary and extraordinary waves. The depolarization effect is predicted in the first-order renormalization approximation to the MRT equation.

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Modified radiative transfer theory for a two-layer anisotropic random medium

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