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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