A surface plasmon resonance spectrometer using a super-period metal nanohole array

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 EXPRESS | 2012年 / 20卷 / 19期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
EXTRAORDINARY OPTICAL-TRANSMISSION; SUBWAVELENGTH HOLE ARRAYS; NANOPARTICLES; ANTENNAS; FILMS; MODEL;
D O I：
10.1364/OE.20.021318
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the surface plasmon resonance in super-period nanohole arrays and demonstrate a surface plasmon resonance spectrometer using a super-period metal nanohole array device. Super-period nanohole arrays are patterned metal nanohole array gratings. In a super-period nanohole array, there is a small subwavelength nanohole period that supports local surface plasmon resonance, and also a large grating period that diffracts surface plasmon radiations to non-zeroth order diffractions. With the super-period metal nanohole array, surface plasmon resonance can be measured in the first order diffraction in addition to be traditionally measured in the zeroth order transmission. The resonance peak wavelength measured in the first order diffraction is slightly blue-shifted from the resonance wavelength measured in the zeroth order transmission. (C) 2012 Optical Society of America
引用
收藏
页码：21318 / 21323
页数：6
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