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Electromagnetic scattering by discrete random media illuminated by a Gaussian beam I: Derivation of the radiative transfer equation

Doicu, Adrian and Mishchenko, Michael and Trautmann, Thomas (2020) Electromagnetic scattering by discrete random media illuminated by a Gaussian beam I: Derivation of the radiative transfer equation. Journal of Quantitative Spectroscopy & Radiative Transfer, 256, p. 107301. Elsevier. doi: 10.1016/j.jqsrt.2020.107301. ISSN 0022-4073.

Full text not available from this repository.

Official URL: https://www.sciencedirect.com/science/article/abs/pii/S0022407320306063

Abstract

In this paper we present the vector radiative transfer theory for a discrete random medium illuminated by a Gaussian beam. The analysis is based on a plane wave spectrum representation for a Gaussian beam and uses an approach developed previously for a discrete random medium illuminated by a plane electromagnetic wave. Specifically, we establish an integral representation for the coherent field, define an approximate coherent field that satisfies the differential equation fulfilled by the coherent field corresponding to a plane electromagnetic wave and matches the Gaussian beam at the interface of the particulate medium, and finally, derive the vector radiative transfer equation. For weakly focused Gaussian beams, the resulting equation is the traditional radiative transfer equation.

Item URL in elib:https://elib.dlr.de/138259/
Document Type:Article
Title:Electromagnetic scattering by discrete random media illuminated by a Gaussian beam I: Derivation of the radiative transfer equation
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Doicu, AdrianAdrian.Doicu (at) dlr.deUNSPECIFIED
Mishchenko, MichaelNASA GISS, New York, NY, USAUNSPECIFIED
Trautmann, ThomasThomas.Trautmann (at) dlr.deUNSPECIFIED
Date:November 2020
Journal or Publication Title:Journal of Quantitative Spectroscopy & Radiative Transfer
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:256
DOI :10.1016/j.jqsrt.2020.107301
Page Range:p. 107301
Publisher:Elsevier
ISSN:0022-4073
Status:Published
Keywords:Radiative transfer in discrete random media illuminated by a Gaussian beam. Coherent field. Vector radiative transfer equation. Numerical solution of the radiative transfer equation.
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):Vorhaben Spectroscopic Methods in Remote Sensing (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Doicu, Adrian
Deposited On:25 Nov 2020 16:01
Last Modified:25 Nov 2020 16:01

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