Effect of coma on tightly focused cylindrically polarized vortex beams

被引：13
|
作者：
Anita, G. Therese [1 ]
Umamageswari, N. [2 ]
Prabakaran, K. [3 ]
Pillai, T. V. S. [4 ]
Rajesh, K. B. [5 ]
机构：
[1] Arunachala Coll Engn Women, Dept Phys, Nagercoil, Tamil Nadu, India
[2] Bharathiyar Univ, Ctr Res & Dev, Coimbatore, Tamil Nadu, India
[3] Periyar Univ, PG Extens Ctr, Dept Phys, Dharmapuri, Tamil Nadu, India
[4] Univ Coll Engn, Dept Phys, Nagercoil, Tamil Nadu, India
[5] Chikkanna Govt Arts Coll, Dept Phys, Tiruppur, Tamil Nadu, India
来源：
OPTICS AND LASER TECHNOLOGY | 2016年 / 76卷
关键词：
Vector diffraction theory; Cylindrical vortex beam; Polarization; Coma; OPTICAL-SYSTEMS; ABERRATIONS; DIFFRACTION; PHASE; LIGHT; FIELD;
D O I：
10.1016/j.optlastec.2015.07.002
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper attention is given to the effects of primary coma on the cylindrical polarized vortex beam based on the vector diffraction theory. It is observed that by properly choosing the polarization angle and topological charge one can obtain many novel focal patterns suitable for optical tweezers, laser printing and material process. However, it is observed that the focusing objective with coma generates structural modification and positional shift of the generated focal structure. (C) 2015 Elsevier Ltd. All rights reserved.
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收藏
页码：1 / 5
页数：5
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