Design and measurement of dielectric sensor based on surface plasmon excitation

被引：8

作者：

Cheng, YC

Su, WK

Lee, CM

Chang, LB

Liou, JH

Shen, JM

Soong, TW

机构：

[1] Chung Cheng Inst Technol, Dept Elect Engn, Tao Yuan 33509, Taiwan

[2] Chung Cheng Inst Technol, Dept Appl Phys, Tao Yuan 33509, Taiwan

来源：

APPLIED SURFACE SCIENCE | 1998年 / 136卷 / 03期

关键词：

surface plasmon; chemical sensor; attenuated total reflection; ethanol; gold metal thin film;

D O I：

10.1016/S0169-4332(98)00346-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A chemical sensor based on surface plasmon excitation was constructed by deposited gold metal film directly on a prism. This chemical sensor has been optimized by use of computer simulation. Using the simulated optimum condition, we measured the reflectivity vs. position of the surface plasmon dip with different dielectric environment such as air, water, and ethanol. Calculated and experimentally measured performances are in good agreement, Furthermore,we also found and detailed the linearity of the deviation angle of the surface plasmon dip with different composition ethanol-water solutions. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：260 / 267

页数：8

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