Surface plasmon resonance in superperiodic metal nanoslits

被引：19
作者：
Leong, Haisheng [1 ]
Guo, Junpeng [1 ]
机构：
[1] Univ Alabama, Dept Elect & Comp Engn, Huntsville, AL 35899 USA
来源：
OPTICS LETTERS | 2011年 / 36卷 / 24期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
GRATINGS; FORMULATION; RADIATION;
D O I：
10.1364/OL.36.004764
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A superperiodic metal nanoslits device is a surface plasmon resonance optical diffraction grating in which each line of the grating consists of an array of finite number metal nanoslits. The metal nanoslits, upon optical excitations, support localized surface plasmon resonance. The superperiod of the nanoslits causes the coherent radiation of the surface plasmon resonance into the far field with angular dispersion. Therefore, localized surface plasmon resonance in the metal nanoslits can be measured with a CCD or a linear photodetector array. In this Letter, we describe a surface plasmon resonance spectral sensor using a superperiodic gold nanoslits array without using an external optical spectrometer. (C) 2011 Optical Society of America
引用
收藏
页码：4764 / 4766
页数：3
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