Performance analysis of surface plasmon resonance sensor with high-order absentee layer

被引:0
|
作者
孟庆卿 [1 ]
赵鑫 [1 ]
陈淑静 [2 ]
林承友 [1 ]
丁迎春 [1 ]
陈朝阳 [1 ]
机构
[1] College of Science, Beijing University of Chemical Technology
[2] Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials,School of Materials Science and Technology, China University of Geosciences
基金
中国国家自然科学基金;
关键词
surface plasmon resonance sensor; high-order absentee layer; figure of merit;
D O I
暂无
中图分类号
TP212 [发送器(变换器)、传感器];
学科分类号
080202 ;
摘要
A surface plasmon resonance(SPR) sensor with a high-order absentee layer on the top of metallic film is proposed.The performance of the SPR sensor with NaCl, MgO, TiO;or AlAs high-order absentee layer is analyzed theoretically. The results indicate that the sensitivity and the full width at half maximum of those SPR sensors decrease with the increasing of the order of absentee layer, but the variation of the figure of merit(FOM) depends on the refractive index of absentee layer.By improving the order of absentee layer with high-refractive-index, the FOM of the SPR sensor can be enhanced. The maximum value of FOM for the SPR sensor with high-order TiO;(or AlAs) absentee layer is 1.059%(or 2.587%) higher than the one with one-order absentee layer. It is believed the proposed SPR sensor with high-order absentee layer will be helpful for developing the high-performance SPR sensors.
引用
收藏
页码:321 / 327
页数:7
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