Electrically Control Lateral Shift Owning to Guided-Wave Surface Plasmon Resonance with a Lithium Niobate Prism

被引：2
|
作者：
Kang, Yongqiang [1 ]
Gao, Peng [2 ]
Zhang, Jing [3 ,4 ]
Ren, Wenyi [5 ]
机构：
[1] Shanxi Datong Univ, Inst Solid State Phys, Datong 037009, Shanxi, Peoples R China
[2] Qingdao Univ Sci & Technol, Coll Math & Phys Sci, Qingdao 266061, Peoples R China
[3] Guangxi Teachers Educ Univ, Key Lab Environm Change & Resources Use Beibu Gul, Minist Educ, Nanning 530023, Peoples R China
[4] Guangxi Teachers Educ Univ, Guangxi Key Lab Earth Surface Proc & Intelligent, Nanning 530023, Peoples R China
[5] Northwest A&F Univ, Sch Sci, Yangling 712100, Shaanxi, Peoples R China
来源：
PLASMONICS | 2020年 / 15卷 / 06期
基金：
美国国家科学基金会;
关键词：
Lateral shift; Surface plasmon resonance; Electric control; GOOS-HANCHEN SHIFT; BEAM; REFLECTION; ENHANCEMENT; GRAPHENE;
D O I：
10.1007/s11468-020-01212-9
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Electrically controlled lateral shift by an electro-optic crystal prism is studied theoretically. The resonance point of excitation of guided-wave surface plasmon resonance (GWSPR) can be controlled by altering the refractive index of the prism. That is to say, the positions corresponding to the least reflectivity and the largest lateral shift could be conveniently modulated while the lithium niobate prism is operated in an external electric field. The maximal lateral shift is obtained at the excitation of GWSPR when the thickness of the silver film is optimized. The results of numerical simulations confirm theoretical calculation.
引用
收藏
页码：1883 / 1890
页数：8
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