Effect of the azimuthal orientation on the performance of grating-coupled surface-plasmon resonance biosensors

被引：46

作者：

Kim, D ^{[1
]}

机构：

[1] Yonsei Univ, Sch Elect & Elect Engn, Seoul 120749, South Korea

来源：

APPLIED OPTICS | 2005年 / 44卷 / 16期

关键词：

D O I：

10.1364/AO.44.003218

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The effect of azimuthal orientation on the electromagnetic coupling of surface plasmons with the incident and diffracted light of a grating-coupled surface-plasmon resonance (GC-SPR) biosensor is investigated, and its practical implications are explored. For this purpose a GC-SPR biosensor model is considered, and well-established rigorous coupled-wave analysis is used. Numerical results indicate significant variations in surface-plasmon resonance characteristics in connection with the interaction between surface-plasmon polaritons associated with multiple-order diffraction. The results are discussed as they relate to applications that require minimal rotation sensitivity. (c) 2005 Optical Society of America.

引用

页码：3218 / 3223

页数：6

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