Flattop focusing with full Poincare beams under low numerical aperture illumination

被引：69
作者：
Han, Wei [1 ]
Cheng, Wen [1 ]
Zhan, Qiwen [1 ]
机构：
[1] Univ Dayton, Electroopt Program, Dayton, OH 45469 USA
来源：
OPTICS LETTERS | 2011年 / 36卷 / 09期
关键词：
D O I：
10.1364/OL.36.001605
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this Letter, we propose and experimentally demonstrate the generation of second-order full Poincare beams and its applications in two-dimensional flattop beam shaping with spatially variant polarization under low NA focusing condition. High-quality flattop profiles with steep edge roll-off can be obtained with this technique. The experiment results also demonstrate that flattop profile can be maintained for different input beam sizes by conveniently rotating a half-wave plate. (C) 2011 Optical Society of America
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收藏
页码：1605 / 1607
页数：3
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