Article
Far-Field Scattering of a Non-Gaussian Off-Axis Axisymmetric Laser Beam by a Spherical Particle
Applied Optics
Document Type
Article
Publication Date
11-20-1996
Disciplines
Abstract
Experimental laser beam profiles often deviate somewhat from the ideal Gaussian shape of the axisymmetric TEM(00) laser mode. To take these deviations into account when calculating light scattering of an off-axis beam by a spherical particle, we use our phase-modeling method to approximate the beam-shape coefficients in the partial wave expansion of an experimental laser beam. We then use these beam-shape coefficients to compute the near-forward direction scattering of the off-axis beam by the particle. Our results are compared with laboratory data, and we give a physical interpretation of the various features observed in the angular scattering patterns. (C) 1996 Optical Society of America
DOI
10.1364/AO.35.006605
Version
Publisher's PDF
Publisher's Statement
This paper was published in Applied Optics 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/ao/abstract.cfm?URI=ao-35-33-6605. 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 Joseph T. Hodges. "Far-Field Scattering of a Non-Gaussian Off-Axis Axisymmetric Laser Beam by a Spherical Particle." Applied Optics 35 (1996): 6605-6616.