Triple narrow-band plasmonic perfect absorber for refractive index sensing applications of optical frequency

被引：82
作者：
Cheng, Yongzhi [1 ]
Luo, Hui [1 ]
Chen, Fu [1 ,2 ]
Gong, Rongzhou [2 ]
机构：
[1] Wuhan Univ Sci & Technol, Engn Res Ctr Met Automat & Detecting Technol, Minist Educ, Wuhan 430081, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China
来源：
OSA CONTINUUM | 2019年 / 2卷 / 07期
基金：
中国国家自然科学基金;
关键词：
METAMATERIAL ABSORBERS; ABSORPTION; BROAD; RESONANCE; FILM;
D O I：
10.1364/OSAC.2.002113
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple and effective polarization-insensitive triple narrow-band plasmonic perfect absorber is proposed and investigated numerically. This device can serve as an ultra-sensitive refractive index sensor from the near-infrared to the visible region. The triple narrow-band perfect absorber consists of a structured metal film constructed with an assembly of vertical-square-splitring (VSSR) resonators. The triple narrow-band perfect absorption is due to the hybrid modes between the surface plasmon polaritons and guided modes with different order. Furthermore, the absorption peak shows a highly sensitive response to the change of refractive index in the surrounding medium. A careful design for the perfect absorption based refractive index sensor can yield a sensitivity of 1194, 816, and 473 nm/refractive index unit (RIU), respectively. Due to the high sensing performance, the triple narrow-band perfect absorber provides great potential for applications in enhanced sensing and spectroscopy. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：2113 / 2122
页数：10
相关论文
共 51 条
[1]   Polarization and angle independent terahertz metamaterials with high Q-factors [J].
Al-Naib, Ibraheem A. I. ;
Jansen, Christian ;
Born, Norman ;
Koch, Martin .
APPLIED PHYSICS LETTERS, 2011, 98 (09)
[2]   Cavity-enhanced localized plasmon resonance sensing [J].
Ameling, Ralf ;
Langguth, Lutz ;
Hentschel, Mario ;
Mesch, Martin ;
Braun, Paul V. ;
Giessen, Harald .
APPLIED PHYSICS LETTERS, 2010, 97 (25)
[3]   Simultaneous realization of high sensing sensitivity and tunability in plasmonic nanostructures arrays [J].
Chau, Yuan-Fong Chou ;
Wang, Chan-Kuang ;
Shen, Linfang ;
Lim, Chee Ming ;
Chiang, Hai-Pang ;
Chao, Chung-Ting Chou ;
Huang, Hung Ji ;
Lin, Chun-Ting ;
Kumara, N. T. R. N. ;
Voo, Nyuk Yoong .
SCIENTIFIC REPORTS, 2017, 7
[4]   Enhancing intensity and refractive index sensing capability with infrared plasmonic perfect absorbers [J].
Cheng, Fei ;
Yang, Xiaodong ;
Gao, Jie .
OPTICS LETTERS, 2014, 39 (11) :3185-3188
[5]   Ultrathin Six-Band Polarization-Insensitive Perfect Metamaterial Absorber Based on a Cross-Cave Patch Resonator for Terahertz Waves [J].
Cheng, Yong Zhi ;
Huang, Mu Lin ;
Chen, Hao Ran ;
Guo, Zhen Zhong ;
Mao, Xue Song ;
Gong, Rong Zhou .
MATERIALS, 2017, 10 (06)
[6]   Dual-band plasmonic perfect absorber based on all-metal nanostructure for refractive index sensing application [J].
Cheng, Yongzhi ;
Zhang, Hongsen ;
Mao, Xue Song ;
Gong, RongZhou .
MATERIALS LETTERS, 2018, 219 :123-126
[7]   A photoexcited switchable perfect metamaterial absorber/reflector with polarization-independent and wide-angle for terahertz waves [J].
Cheng, Yongzhi ;
Gong, Rongzhou ;
Zhao, Jingcheng .
OPTICAL MATERIALS, 2016, 62 :28-33
[8]   Infrared non-planar plasmonic perfect absorber for enhanced sensitive refractive index sensing [J].
Cheng, Yongzhi ;
Mao, Xue Song ;
Wu, Chenjun ;
Wu, Lin ;
Gong, RongZhou .
OPTICAL MATERIALS, 2016, 53 :195-200
[9]   Nearly perfect absorption in intrinsically low-loss grating structures [J].
Chern, Ruey-Lin ;
Hong, Wei-Ting .
OPTICS EXPRESS, 2011, 19 (09) :8962-8972
[10]   A thin film broadband absorber based on multi-sized nanoantennas [J].
Cui, Yanxia ;
Xu, Jun ;
Fung, Kin Hung ;
Jin, Yi ;
Kumar, Anil ;
He, Sailing ;
Fang, Nicholas X. .
APPLIED PHYSICS LETTERS, 2011, 99 (25)
123456