Transmission Characteristics of Metallic Subwavelength Nanohole Arrays

被引：1
作者：
Wang, Junfeng [1 ,2 ]
Dong, Peitao [1 ,2 ]
Di, Di [1 ]
Chen, Jian [1 ]
Wang, Chaoguang [1 ]
Wang, Haoxu [1 ]
Wu, Xuezhong [1 ]
机构：
[1] Natl Univ Def Technol, Coll Mechatron & Automat, Changsha 410073, Hunan, Peoples R China
[2] Chinese Acad Sci, State Key Lab Transducer Technol, Shanghai 200050, Peoples R China
来源：
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE | 2014年 / 11卷 / 01期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Subwavelength Apertures; Perimeter Distance; Sharp Tips; Extraordinary Optical Transmission; EXTRAORDINARY OPTICAL-TRANSMISSION; LIGHT TRANSMISSION; HOLE ARRAYS; APERTURES;
D O I：
10.1166/jctn.2014.3333
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Transmission characteristics through different subwavelength aperture arrays in gold film are studied via simulation in this paper. Circular holes, square holes and triangular holes are considered. We note that triangular holes have the maximum transmission efficiency among the three different kinds of hole shapes of the same size and periodicity and we suggest that the increase of perimeter distance might play a role in the increased transmission efficiency. Besides, through the contrast between metallic nanohole arrays of equilateral triangular and isosceles triangular apertures, we have shown that the transmission efficiency of isosceles triangular holes is bigger and the peak position is red-shifted, when compared with the equilateral triangular counterpart of the same size and periodicity. Furthermore, we suggest that sharp tips of the isosceles triangular apertures might have bigger influence on the extraordinary optical transmission phenomenon than the perimeter distance for the gold film arrays of isosceles triangular apertures.
引用
收藏
页码：173 / 177
页数：5
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