Diffraction characteristics of the azimuthal Bessel-Gauss beam

被引：64
作者：
Greene, PL
Hall, DG
机构：
[1] The Institute of Optics, University of Rochester, Rochester, NY
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1996年 / 13卷 / 05期
关键词：
D O I：
10.1364/JOSAA.13.000962
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We examine the free-space propagation characteristics of an azimuthally polarized, circularly symmetric beam, such as that emitted by a concentric-circle-grating surface-emitting laser. We begin with the appropriate scalar wave equation and then find the azimuthal Bessel-Gauss beam solution, using both a Cartesian decomposition method and an angular spectrum representation. We find a general azimuthal diffraction integral for circularly symmetric disturbances and examine two special cases, a thin lens and a circular aperture; the azimuthally polarized beam remains well behaved in both cases. Plots of radial field profiles and longitudinal beam-waist evolution are presented. (C) 1996 Optical Society of America
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页码：962 / 966
页数：5
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