期刊
OPTICS COMMUNICATIONS
卷 282, 期 23, 页码 4475-4480出版社
ELSEVIER
DOI: 10.1016/j.optcom.2009.08.028
关键词
Rigorous theory of electromagnetic field diffraction; Vector Rayleigh-Sommerfeld diffraction integrals; Diffraction of vector; Gaussian beam by a circular aperture
类别
The rigorous electromagnetic theory of the diffraction of vector beams by an aperture is proposed and numerically evaluated by the diffraction of vector Gaussian beams by a circular aperture. The results are compared with those, by using the vector Rayleigh-Sommerfeld diffraction integrals and angular-spectrum expression theory, showing a good consistency. The numerical calculation shows that the result calculated by the rigorous theory is much more precise than those calculated by the integral method in diffraction near field, and a highly consistency reaches by the three methods in diffraction far field. A further extension of the theory is discussed. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
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