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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 18, Iss. 6 — Jun. 1, 2001
  • pp: 1275–1278

Mie-scattering formalism for spherical particles embedded in an absorbing medium

I. Wayan Sudiarta and Petr Chylek  »View Author Affiliations


JOSA A, Vol. 18, Issue 6, pp. 1275-1278 (2001)
http://dx.doi.org/10.1364/JOSAA.18.001275


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Abstract

Most of the Mie-scattering calculations have been done for a particle embedded in a nonabsorbing host medium. Generalization to an absorbing host medium can be achieved (a) by modifying the calculation of the spherical Bessel functions to account for a complex argument and (b) by accounting properly for the net rate of incident, scattered, and absorbed energy. We present an extended formalism of Mie scattering for the case of an absorbing host medium. Numerical calculations show that for a large spherical particle embedded in an absorbing host medium the extinction efficiency approaches 1 compared with 2 for a nonabsorbing host medium. We conjecture that this difference is due to the suppression of diffraction when the radius of the sphere is large.

© 2001 Optical Society of America

OCIS Codes
(290.2200) Scattering : Extinction
(290.4020) Scattering : Mie theory

History
Original Manuscript: July 18, 2000
Revised Manuscript: November 30, 2000
Manuscript Accepted: December 7, 2000
Published: June 1, 2001

Citation
I. Wayan Sudiarta and Petr Chylek, "Mie-scattering formalism for spherical particles embedded in an absorbing medium," J. Opt. Soc. Am. A 18, 1275-1278 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-6-1275

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