Properties and sensing characteristics of surface-plasmon resonance in infrared light

被引：91
作者：
Patskovsky, S
Kabashin, AV
Meunier, M
Luong, JHT
机构：
[1] Ecole Polytech Montreal, Laser Proc Lab, Dept Engn Phys, Montreal, PQ H3C 3A7, Canada
[2] Natl Res Council Canada, Biotechnol Res Inst, Montreal, PQ H4P 2R2, Canada
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2003年 / 20卷 / 08期
关键词：
D O I：
10.1364/JOSAA.20.001644
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Conditions of surface-plasmon resonance (SPR) production with use of IR pumping light (800-2300 nm) in the Kretschmann-Raether prism arrangement were investigated. Both calculations and experimental data showed that SPR characteristics in the IR are strongly influenced by the properties of the coupling prism material. Indeed, quite different regularities of plasmon excitation, polarity of sensing response, and sensitivity are observed for two different glasses and silicon. The observed differences in SPR properties are related to essentially different behavior of dispersion characteristics of materials near the SPR coupling point. Methods for improving sensor performance and miniaturizing the SPR technique using novel coupling materials (silicon) are discussed. (C) 2003 Optical Society of America.
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页码：1644 / 1650
页数：7
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