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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 24 — Aug. 20, 2007
  • pp: 6185–6191

Particle shape as revealed by spectral depolarization

Donald D. Duncan and Michael E. Thomas  »View Author Affiliations


Applied Optics, Vol. 46, Issue 24, pp. 6185-6191 (2007)
http://dx.doi.org/10.1364/AO.46.006185


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Abstract

Through a series of numerical simulations we explore some scatter effects due to nonspherical particles. Specifically, we examine the link between the aspect ratio of randomly oriented, prolate spheroidal particles and the resulting linear depolarization of the scattered light in the forward and backscatter directions. The particular objective is to detect the presence of randomly oriented particles that have a systematic size and aspect ratio. Calculations show that the spectral behavior of the linear depolarization reveals the aspect ratio of the scattering particles. The concept is demonstrated using the size, shape, and refractive index of the spore form of Bacillus globigii (BG).

© 2007 Optical Society of America

OCIS Codes
(280.1100) Remote sensing and sensors : Aerosol detection
(280.1310) Remote sensing and sensors : Atmospheric scattering
(280.3640) Remote sensing and sensors : Lidar
(290.1310) Scattering : Atmospheric scattering
(290.1350) Scattering : Backscattering
(290.5850) Scattering : Scattering, particles

ToC Category:
Scattering

History
Original Manuscript: April 6, 2007
Revised Manuscript: June 11, 2007
Manuscript Accepted: June 15, 2007
Published: August 16, 2007

Citation
Donald D. Duncan and Michael E. Thomas, "Particle shape as revealed by spectral depolarization," Appl. Opt. 46, 6185-6191 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-24-6185

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