Gas sensors for refractive index detection using surface plasmon resonance on nanosystem

被引：2
|
作者：
Zhao Hua-Jun [1 ]
Tian Yong-You [1 ]
Lei Ju-Hua [2 ,3 ]
机构：
[1] Chongqing Univ Arts & Sci, Coll Mech & Elect Engn, Chongqing 402160, Peoples R China
[2] Chongqing Econ & Trade Secondary Vocat Sch, Dept Elect Informat, Chongqing 402160, Peoples R China
[3] Chongqing Univ Technol, Sch Elect Informat & Automat, Chongqing 400054, Peoples R China
来源：
INTERNATIONAL SYMPOSIUM ON PHOTONICS AND OPTOELECTRONICS 2014 | 2014年 / 9233卷
关键词：
plasmonic device; gas sensor; resonators; surface plasmon resonance;
D O I：
10.1117/12.2068534
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A plasmonic device for gas sensor is investigated for refractive index detection using surface plasmon resonance (SPR). The sensor device consists of nano-cavity antennas formed by metallic rectangular nanostrip array over a metal film, which monitors the changes of the refractive index by measuring the spectral shift of the resonance angle dip. The average detection sensitivity of the gas sensor is about 136 degrees/RIU ( refractive index units) for SPR excitation at 1550 nm telecommunication wavelength.
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页数：5
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