Propagation of Bessel-modulated Gaussian beams through a paraxial ABCD optical system with an annular aperture

被引：28
|
作者：
Mei, ZR
Zhao, DM [1 ]
Wei, XF
Jing, F
Zhu, QH
机构：
[1] Zhejiang Univ, Dept Phys, Hangzhou 310027, Peoples R China
[2] Huzhou Teachers Coll, Dept Phys, Huzhou 313000, Peoples R China
[3] CAEP, Res Ctr Laser Fus, Mianyang 621900, Peoples R China
来源：
OPTIK | 2005年 / 116卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Bessel-Gaussian beams; QBG beams; ABCD optical system; annular aperture;
D O I：
10.1016/j.ijleo.2005.05.003
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on the generalized Collins diffraction integral and the expansion of the hard aperture function into a finite sum of complex Gaussian functions, the approximate analytical expressions of Bessel-Gaussian beams and QBG beams passing through a paraxial ABCD optical system with an annual aperture are derived. As special cases, the corresponding closed-forms for the unaperture or circular aperture or circular black screen cases are also given. The results provide more convenience for studying their propagation and transformation than the usual way by using diffraction integral formula directly. Numerical examples are given to illustrate the propagation properties of Bessel-Gaussian and QBG beams. (c) 2005 Elsevier GmbH. All rights reserved.
引用
收藏
页码：521 / 526
页数：6
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