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Selected Works of James A. Lock
Article
Mie Scattering in the Time Domain. Part II. The Role of Diffraction
Journal of the Optical Society of America A: Optics Image Science and Vision
  • James A. Lock, Cleveland State University
  • Philip Laven
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Document Type
Article
Publication Date
6-1-2011
Disciplines
Abstract

The p = 0 term of the Mie-Debye scattering amplitude contains the effects of external reflection and diffraction. We computed the reflected intensity in the time domain as a function of the scattering angle and delay time for a short electromagnetic pulse incident on a spherical particle and compared it to the predicted behavior in the forward-focusing region, the specular reflection region, and the glory region. We examined the physical consequences of three different approaches to the exact diffraction amplitude, and determined the signature of diffraction in the time domain. The external reflection surface wave amplitude gradually replaces the diffraction amplitude in the angular transition region between forward-focusing and the region of specular reflection. The details of this replacement were studied in the time domain. (C) 2011 Optical Society of America

DOI
10.1364/JOSAA.28.001096
Version
Publisher's PDF
Publisher's Statement
This paper was published in Journal of the Optical Society of America A: Optics Image Science and Vision and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-6-1096. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Citation Information
Lock, James A. and Philip Laven. "Mie Scattering in the Time Domain. Part II. The Role of Diffraction." Journal of the Optical Society of America A: Optics Image Science and Vision 28 (2011): 1096-1106.