Particle shape as revealed by spectral depolarization | Zendy

Donald D. Duncan | Zendy; Michael E. Thomas | Zendy

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Particle shape as revealed by spectral depolarization

Author(s) -

Donald D. Duncan,

Michael E. Thomas

Publication year - 2007

Publication title -

applied optics

Language(s) - English

Resource type - Journals

ISSN - 0003-6935

DOI - 10.1364/ao.46.006185

Subject(s) - optics , aspect ratio (aeronautics) , prolate spheroid , refractive index , scattering , depolarization , light scattering , forward scatter , mie scattering , backscatter (email) , physics , depolarization ratio , particle (ecology) , materials science , classical mechanics , optoelectronics , medicine , telecommunications , oceanography , geology , computer science , wireless , endocrinology

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).

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