PSTD Simulations of Multiple Light Scattering in 3-D Macrocsopic Random Media

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We report a full-vector, three-dimensional, numerical solution of Maxwell's equations for optical propagation within, and scattering by, a random medium of macroscopic dimensions. The total scattering cross-section is determined using the pseudospectral time-domain technique. Specific results reported in this Paper indicate that multiply scattered light also contains information that can be extracted by the proposed cross-correlation analysis. On a broader perspective, our results demonstrate the feasibility of accurately determining the optical characteristics of arbitrary, macroscopic random media, including geometries with continuous variations of refractive index. Specifically, our results point toward the new possibilities of tissue optics--by numerically solving Maxwell's equations, ... continued below

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Tseng, S H; Taflove, A; Maitland, D & Backman, V October 19, 2005.

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We report a full-vector, three-dimensional, numerical solution of Maxwell's equations for optical propagation within, and scattering by, a random medium of macroscopic dimensions. The total scattering cross-section is determined using the pseudospectral time-domain technique. Specific results reported in this Paper indicate that multiply scattered light also contains information that can be extracted by the proposed cross-correlation analysis. On a broader perspective, our results demonstrate the feasibility of accurately determining the optical characteristics of arbitrary, macroscopic random media, including geometries with continuous variations of refractive index. Specifically, our results point toward the new possibilities of tissue optics--by numerically solving Maxwell's equations, the optical properties of tissue structures can be determined unambiguously.

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PDF-file: 17 pages; size: 0.3 Mbytes

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  • Journal Name: Radio Science, vol. 41, no. 4, July 25, 2006, pp. 1-5

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  • Report No.: UCRL-JRNL-216488
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 891733
  • Archival Resource Key: ark:/67531/metadc884009

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  • October 19, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 6, 2016, 4:55 p.m.

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Tseng, S H; Taflove, A; Maitland, D & Backman, V. PSTD Simulations of Multiple Light Scattering in 3-D Macrocsopic Random Media, article, October 19, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc884009/: accessed September 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.