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Applied Optics

Applied Optics


  • Vol. 18, Iss. 8 — Apr. 15, 1979
  • pp: 1190–1197

Scattering by inhomogeneous nonspherical objects

Dau-Sing Wang and Peter W. Barber  »View Author Affiliations

Applied Optics, Vol. 18, Issue 8, pp. 1190-1197 (1979)

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The extended boundary condition method is applied to 3-D electromagnetic scattering problems involving multilayered dielectric objects. The theoretical formulation is reviewed, and the numerical problems are discussed. Angular scattering calculations have been made for bacteria-like layered prolate spheroids with a nucleus-like inner layer and a membrane-like outer layer. Comparing the results with those obtained for corresponding homogeneous models, it is found that the internal structure results in a significant difference in the angular scattering characteristics. Calculations are also made to study the variation of the scattering, absorption, extinction, and backscattering cross sections of an oblate spheroidal model of a melting hailstone as either its shape or size changes. These results indicate that the backscattering cross section is most sensitive to changes in structure.

© 1979 Optical Society of America

Original Manuscript: August 4, 1978
Published: April 15, 1979

Dau-Sing Wang and Peter W. Barber, "Scattering by inhomogeneous nonspherical objects," Appl. Opt. 18, 1190-1197 (1979)

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