Observation of the enhanced backscattering of light by the end of a tilted dielectric cylinder owing to the caustic merging transition

Philip L Marston; Yibing Zhang; David B Thiessen

doi:10.1364/AO.42.000412

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Observation of the enhanced backscattering of light by the end of a tilted dielectric cylinder owing to the caustic merging transition

Philip L Marston, Yibing Zhang and David B Thiessen

Applied optics (2004), Vol.42(3), pp.412-417

01/20/2003

DOI: https://doi.org/10.1364/AO.42.000412

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https://hdl.handle.net/2376/112985

PMID: 12570262

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Abstract

The scattering of light by obliquely illuminated circular dielectric cylinders was previously demonstrated to be enhanced by a merger of Airy caustics at a critical tilt angle. [Appl. Opt. 37, 1534 (1998)]. A related enhancement is demonstrated here for backward and near-backward scattering for cylinders cut with a flat end perpendicular to the cylinder's axis. It is expected that merged caustics will enhance the backscattering by clouds of randomly oriented circular cylinders that have appropriately flat ends.

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Title: Observation of the enhanced backscattering of light by the end of a tilted dielectric cylinder owing to the caustic merging transition
Creators: Philip L Marston - Department of Physics, Washington State University, Pullman, Washington 99164-2814, USA. marston@wsu.edu
Yibing Zhang
David B Thiessen
Publication Details: Applied optics (2004), Vol.42(3), pp.412-417
Academic Unit: Physics and Astronomy, Department of; Chemical Engineering and Bioengineering, School of; Engineering and Applied Sciences (TRIC), School of
Publisher: United States
Identifiers: 99900547962201842
Language: English
Resource Type: Journal article