Tight focusing of partially coherent radially polarized beam with high NA lens axicon

被引：0
|
作者：
Mariyal, C. [1 ,3 ]
Suresh, P. [1 ,3 ]
Rajesh, K. B. [2 ]
Pillai, T. V. S. [4 ]
机构：
[1] Natl Coll Engn, Dept ECE, Tirunelveli 627151, Tamil Nadu, India
[2] Chikkanna Govt Arts Coll, Dept Phys, Tirupur 641602, Tamil Nadu, India
[3] Anna Univ, Univ Dept, Tirunelveli 627007, Tamil Nadu, India
[4] Univ Coll Engn, Univ Dept, Nagercoil, Tamil Nadu, India
来源：
OPTIK | 2013年 / 124卷 / 21期
关键词：
Partially coherent beam; Lens axicon; Depth of focus; SPACE-FREQUENCY DOMAIN; GENERATION;
D O I：
10.1016/j.ijleo.2013.03.043
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Tight focusing of radially polarized partially coherent vortex beam over a high numerical aperture lens axicon system is introduced and its propagation properties are studied based on vectorial Debye theory. The effect of propagation parameters on the intensity distribution, the polarization property and the coherent property of the beam is illustrated analytically and numerically. It is shown that the correlation length and maximal NA angle has a significant influence on the intensity profile. (C) 2013 Elsevier GmbH. All rights reserved.
引用
收藏
页码：4956 / 4959
页数：4
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