Localized field enhancement at metallic subwavelength structures

被引：2
|
作者：
Li, Jiang-Yan [1 ]
Ma, Hai-qiang [2 ]
机构：
[1] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[2] Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China
来源：
OPTIK | 2013年 / 124卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Surface plasmon; Field intensity enhancement; Metal nanoparticle; TRANSMISSION; LIGHT;
D O I：
10.1016/j.ijleo.2013.05.039
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The near field intensity distribution and the near-field transmission spectrums of metallic nanostructures simulated by the finite-difference time-domain method are present in the text. Better field intensity localization and larger field intensity enhancement exist in the near field intensity distribution images for nanoparticle array in the near-infrared wavelength range. The minimum transmission intensity collected at the metal film surface can exceed 1.0 and the electric field intensity can limit in a number of nanometer. Meanwhile, these nanoparticle array structures can extensively apply to biochemical sensor devices design and so on.
引用
收藏
页码：6419 / 6422
页数：4
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