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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 16 — Aug. 8, 2005
  • pp: 6127–6132

Investigation of the noise-like structures of the total scattering cross-section of random media

Snow H. Tseng, Allen Taflove, Duncan Maitland, Vadim Backman, and Joseph T. Walsh, Jr.  »View Author Affiliations

Optics Express, Vol. 13, Issue 16, pp. 6127-6132 (2005)

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The pseudospectral time-domain (PSTD) algorithm is implemented to numerically solve Maxwell’s equations to obtain the optical properties of millimeter-scale random media consisting of hundreds of micron-scale dielectric scatterers. Our methodology accounts for near-field interactions and coherent interference effects that are not easily modeled using other techniques. In this paper, we show that the total scattering cross-section (TSCS) of a cluster of closely packed scatterers exhibits a high-frequency oscillation structure, similar to noise. Furthermore, the characteristics and origin of such noise-like oscillation structure have been analyzed and determined based on first-principles.

© 2005 Optical Society of America

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(290.4210) Scattering : Multiple scattering

ToC Category:
Research Papers

Original Manuscript: June 1, 2005
Revised Manuscript: July 28, 2005
Published: August 8, 2005

Snow Tseng, Allen Taflove, Duncan Maitland, Vadim Backman, and Joseph Walsh, Jr., "Investigation of the noise-like structures of the total scattering cross-section of random media," Opt. Express 13, 6127-6132 (2005)

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