Synthesis and Dynamic Switching of Surface Plasmon Vortices with Plasmonic Vortex Lens

被引：304
|
作者：
Kim, Hwi [2 ]
Park, Junghyun [2 ]
Cho, Seong-Woo [2 ]
Lee, Seung-Yeol [1 ]
Kang, Minsu [1 ]
Lee, Byoungho [1 ]
机构：
[1] Seoul Natl Univ, Natl Creat Res Ctr Act Plasmon Applicat Syst, Interuniv Semicond Res Ctr, Seoul 151744, South Korea
[2] Seoul Natl Univ, Sch Elect Engn, Seoul 151744, South Korea
来源：
NANO LETTERS | 2010年 / 10卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Surface plasmon; surface plasmon vortex; plasmonic vortex lens; circular polarization; ORBITAL ANGULAR-MOMENTUM; LIGHT; BEAM; GENERATION; SPIN;
D O I：
10.1021/nl903380j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The generation of surface plasmon vortices with arbitrary higher order vortex topological charges with novel plasmonic vortex lens is experimentally demonstrated. It is shown that the polarization sensitivity of the plasmonic vortex lens can be utilized for the dynamic switching of the surface plasmon vortices With different topological charges. A simple algebraic rule related to the vortex topological charge change in the dynamic switching is formulated, and its proof is provided with theory and experiment. The synthesis and dynamic switching of higher order surface plasmon vortices have profound potential in optical trapping, optical data storage. and other related fields.
引用
收藏
页码：529 / 536
页数：8
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