An approach to expand the beam coefficients for arbitrarily shaped beam
Author(s) -
Han Yi-Ping
Publication year - 2005
Publication title -
acta physica sinica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.54.5139
Subject(s) - beam (structure) , scattering , physics , range (aeronautics) , prolate spheroidal coordinates , wave function , homogeneous , particle beam , optics , classical mechanics , atomic physics , materials science , statistical physics , generalized coordinates , composite material
We present an approach to expand the shaped beam in terms of the spheroidal wavefunctions in spheroidal coordinates for a spheroidal particle illuminated by off-axis arbitrarily shaped beam. The relations between shaped beam coefficients in spherical coordinates and the different range of mode are discussed. Once the beam-shape coefficients are determined, the solution of scattering for arbitrarily shaped beam by a homogeneous particle can be obtained.
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