Sensitivity Dependence of Surface Plasmon Resonance Based Sensors on Prism Refractive Index

被引：0
|
作者：
Wang Guo-ping 1
2.Department of Applied Physics
机构：
来源：
Wuhan University Journal of Natural Sciences | 2002年 / 01期
关键词：
surface plasmon resonance; sensors; sensitivity; prism; propagation length;
D O I：
暂无
中图分类号：
O438 [信息光学]; O348.11 [激光测试];
学科分类号：
摘要：
We theoretically and experimentally demonstrate that refractive index of the prism used to load metal film has significant influence on sensitivity of surface plasmon resonance based sensors. The prism with lower refractive index gives the sensors a higher sensitivity in detecting refractive index variations of a sample. We attribute this effect to the fact that a prism with low refractive index will increase coupling distance between surface plasmons and the medium under investigation.
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页码：47 / 50
页数：4
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