Generation of Perfect 3D Dark Spots Using Double-ring Cylindrical Vector Vortex Beams

被引：0
|
作者：
Zhang, Yaoju [1 ]
Ma, Zhonghua [1 ]
Zhuang, Youyi [1 ]
机构：
[1] Wenzhou Univ, Coll Phys & Elect Informat, Wenzhou 325035, Zhejiang, Peoples R China
来源：
PIERS 2011 SUZHOU: PROGRESS IN ELECTROMAGNETICS RESEARCH SYMPOSIUM | 2011年
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D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A 3D dark spot is generated by using a double-ring-shaped cylindrical vector vortex beam which can be considered as a vector superposition of a double-ring-shaped radially-polarized light and a double-ring-ring-shaped azimuthally-polarized light. The volume of the 3D dark spot generated is very small and the light wall surrounding the dark spot is very uniform. This 3D dark spot is very perfect for particle trapping and for super-resolution fluorescence microscopy.
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页码：763 / 765
页数：3
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