SURFACE-PLASMON RESONANCE ON GRATINGS AS A NOVEL MEANS FOR GAS SENSING

被引：60

作者：

VUKUSIC, PS

BRYANBROWN, GP

SAMBLES, JR

机构：

[1] Thin Film and Interface Group, Department of Physics, University of Exeter, Exeter, Devon EX4 4QL, Stocker Road

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 1992年 / 8卷 / 02期

关键词：

D O I：

10.1016/0925-4005(92)80173-U

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel technique for sensing small changes in dielectric constant using the phenomenon of surface plasmon resonance has been developed. The principle of this technique is based on the measurement of a resonance maximum on a background of weak signal, giving improved signal-to-noise ratios over previously reported surface plasmon techniques. The sensing of the condensation of several organic vapours onto a silver surface is used to demonstrate the effectiveness of the technique. Its potential as a hand-held in-field gas sensor is discussed.

引用

页码：155 / 160

页数：6

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