Inherent and apparent scattering properties of coated or uncoated spheres embedded in absorbing host medium

Ping Yang, Bo Cai Gao, Warren J. Wiscombe, Michael I. Mishchenko, Steven E. Platnick, Hung Lung Huang, Bryan A. Baum, Yong X. Hu, Dave M. Winker, Si Chee Tsay, Seon K. Park

Research output: Contribution to journalArticlepeer-review

79 Scopus citations

Abstract

The conventional Lorenz–Mie formalism is extended to the case for a coated sphere embedded in an absorbing medium. The apparent and inherent scattering cross sections of a particle, derived from the far field and near field, respectively, are different if the host medium is absorptive. The effect of absorption within the host medium on the phase-matrix elements associated with polarization depends on the dielectric properties of the scattering particle. For the specific cases of a soot particle coated with a water layer and an ice sphere containing an air bubble, the phase-matrix elements -P12/P11and P33/P11are unique if the shell is thin. The radiative transfer equation for a multidisperse particle system embedded within an absorbing medium is discussed. Conventional multiple-scattering computational algorithms can be applied if scaled apparent single-scattering properties are applied.

Original languageEnglish
Pages (from-to)2740-2759
Number of pages20
JournalApplied Optics
Volume41
Issue number15
DOIs
StatePublished - 20 May 2002

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