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Applied Optics

Applied Optics


  • Vol. 22, Iss. 9 — May. 1, 1983
  • pp: 1346–1353

Application of the 2-D discrete-ordinates method to multiple scattering of laser radiation

A. Zardecki, S. A. W. Gerstl, and J. F. Embury  »View Author Affiliations

Applied Optics, Vol. 22, Issue 9, pp. 1346-1353 (1983)

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The discrete-ordinates finite-element radiation transport code twotran is applied to describe the multiple scattering of a laser beam from a reflecting target. For a model scenario involving a 99% relative humidity rural aerosol we compute the average intensity of the scattered radiation and correction factors to the Beer-Lambert law arising from multiple scattering. As our results indicate, 2-D x-y and r-z geometry modeling can reliably describe a realistic 3-D scenario. Specific results are presented for the two visual ranges of 1.52 and 0.76 km which show that, for sufficiently high aerosol concentrations (e.g., equivalent to V = 0.76 km), the target signature in a distant detector becomes dominated by multiply scattered radiation from interactions of the laser light with the aerosol environment. The merits of the scaling group and the delta-M approximation for the transfer equation are also explored.

© 1983 Optical Society of America

Original Manuscript: November 18, 1982
Published: May 1, 1983

A. Zardecki, S. A. W. Gerstl, and J. F. Embury, "Application of the 2-D discrete-ordinates method to multiple scattering of laser radiation," Appl. Opt. 22, 1346-1353 (1983)

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