A COMPACT OPTICAL CHEMICAL SENSOR BASED ON SURFACE-PLASMON INTERROGATION

被引：3

作者：

DEMARIA, L

MARTINELLI, M

机构：

[1] CISE Tecnologie Innovative, 20134 Milan

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 1992年 / 32卷 / 1-3期

关键词：

D O I：

10.1016/0924-4247(92)80069-F

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An optical sensor based on surface plasmon waves (SPW) interrogation for chemical sensing has been developed. The optical set-up is fabricated in a compact way by means of a resonant scanner which provides an angularly spread beam incident to the sensing element. The angular position of the excited surface plasmon depends on the chemical species at the surface. The instrument has been tested to detect small variation of refractive index of a liquid mixture in contact with the film.

引用

页码：710 / 712

页数：3

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