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Inherent and apparent scattering properties of coated or uncoated spheres embedded in an absorbing host medium
- Inherent and apparent scattering properties of coated or uncoated spheres embedded in an absorbing host medium
- Yang, P; Gao, BC; Wiscombe, WJ; Mishchenko, MI; Platnick, SE; Huang, HL; Baum, BA; Hu, YX; Winker, DM; Tsay, SC; Park, SK
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- APPLIED OPTICS
- 1559-128X; 2155-3165
- vol. 41, no. 15, pp. 2740 - 2759
- OPTICAL SOC AMER
- SCI; SCIE; SCOPUS
- 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 -P-12/P-11 and P-33/p(11) are 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. (C) 2002 Optical Society of America.
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