Reduction of angular dip width of surface plasmon resonance sensor by coupling surface plasma waves on sensing surface and inside metal-dielectric-metal structure

被引：3

作者：

Huang, Bohr-Ran ^{[1
,2
]}

Liao, Chung-Chi ^{[2
]}

Lu, Chun-Yi ^{[3
]}

Ke, Wen-Cheng ^{[4
]}

Huang, Yi-Lun ^{[5
]}

Chen, Nai-Chuan ^{[3
,5
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Grad Inst Electroopt Engn, Taipei 106, Taiwan

[2] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 106, Taiwan

[3] Chang Gung Univ, Dept Elect Engn, Tao Yuan 333, Taiwan

[4] Yuan Ze Univ, Dept Mech Engn, Tao Yuan 320, Taiwan

[5] Chang Gung Univ, Inst Electroopt Engn, Tao Yuan 333, Taiwan

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A | 2013年 / 31卷 / 06期

关键词：

OPTICAL BIOSENSORS;

D O I：

10.1116/1.4821505

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A surface plasmon resonance (SPR) scheme was developed using a metal/dielectric/metal (MDM) structure. The surface plasma wave (SPW) dispersion curves within the MDM structure can be controlled by tuning the dielectric layer thickness. Therefore, the properties of the SPWs on the sensing surface of the SPR sensor can be tuned by coupling the tunable odd SPWs in the MDM structure to the sensing SPWs. The proposed tuning procedure was based on the tendency for anticrossing formation to occur between two nonparallel dispersion curves, and the reduction in the angular dip widths of the SPR sensors using the proposed procedure was demonstrated both numerically and experimentally. (C) 2013 American Vacuum Society.

引用

页数：5

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