Plasmonic Sensor: Towards Parts-per-Billion Level Sensitivity

被引：5
|
作者：
Nishijima, Yoshiaki [1 ]
Suda, Syunsuke [1 ]
Seniutinas, Gediminas [2 ,3 ]
Balcytis, Armandas [2 ,4 ]
Juodkazis, Saulius [2 ]
机构：
[1] Yokohama Natl Univ, Grad Sch Engn, Dept Elect & Comp Engn, Hodogaya Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan
[2] Swinburne Univ Technol, Fac Engn & Ind Sci, Ctr Microphoton, Hawthorn, Vic 3122, Australia
[3] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[4] Ctr Phys Sci & Technol, Inst Phys, 231 Savanoriu, LT-02300 Vilnius, Lithuania
来源：
SENSORS AND MATERIALS | 2017年 / 29卷 / 09期
基金：
日本学术振兴会; 澳大利亚研究理事会;
关键词：
plasmon sensor; gas detection; surface-enhanced infrared absorption; INFRARED-ABSORPTION; INTEGRATING SPHERE; ANTENNAS; ENHANCEMENT; AMMONIA; ARRAYS;
D O I：
10.18494/SAM.2017.1580
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We have developed a plasmonic gas sensing system using transmissive (metal hole array) and scattering (rough surface of Au film) plasmonic materials in an integrating sphere geometry. The combination of transmissive and reflective plasmonic materials significantly enhances the detection threshold by way of surface-enhanced infrared absorption. Here, we first investigate the individual sensing enhancement contributions for each of the plasmonic materials and reveal the path towards applications in high-sensitivity gas detection.
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页码：1253 / 1258
页数：6
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