Optimizing the quality factor of a wideband guided-mode resonance biosensor

被引：3

作者：

Wang, Qi ^{[1
,2
]}

Zhang, Dawei ^{[1
,2
]}

Wang, Zhenyun ^{[1
,2
]}

Huang, Yuanshen ^{[1
,2
]}

机构：

[1] Shanghai Univ Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Minist Educ, Shanghai 200093, Peoples R China

[2] Shanghai Univ Sci & Technol, Shanghai Key Lab Modern Opt Syst, Shanghai 200093, Peoples R China

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 117卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Biosensors;

D O I：

10.1007/s00339-014-8702-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work studies the effect of the biochemical molecular layer on the quality factor of guided-mode resonance (GMR) filter of an ultrasensitive label-free biosensor. A GMR biosensor with a narrower bandwidth has a higher sensitivity but requires much higher accuracy in its fabrication process. In this study, we have managed to present a GMR filter with a narrow bandwidth that requires less precision by controlling the thickness of the biochemical molecule layer, which increases the Q factor by up to three times.

引用

收藏

页码：553 / 556

页数：4

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