Sensitive metal layer assisted guided mode resonance biosensor with a spectrum inversed response and strong asymmetric resonance field distribution

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题名:	Sensitive metal layer assisted guided mode resonance biosensor with a spectrum inversed response and strong asymmetric resonance field distribution
作者:	楊宗勳;Lin, Sheng-Fu;Wang, Chih-Ming;Ding, Ting-Jou;Tsai, Ya-Lun;Yang, Tsung-Hsun;Chen, Wen-Yih;Chang, Jenq-Yang
贡献者:	理學院光電科學與工程學系
关键词:	Biosensing Techniques - instrumentation;Equipment Design;Equipment Failure Analysis;Metals - chemistry;Photometry - instrumentation;Refractometry - instrumentation;Surface Plasmon Resonance - instrumentation
日期:	2012-06-18
上传时间:	2026-04-23 11:44:43 (UTC+8)
出版者:	United States
摘要:	摘要： In this paper, a metal layer assisted guide mode resonance (MaGMR) device with high sensitivity is proposed for bioanalytical applications and its functioning is experimentally proved. We find that the reflection spectra present a unique inversed response. The resonance mechanism is also discussed. Numerical calculation results indicate that the high sensitivity performance of MaGMR comes from the strongly asymmetric resonance modal profile and low propagation angle inside the waveguide. There is a one-fold enhancement of the evanescent wave in the analytes region compared to typical GMR. According to the experimental results, the proposed MaGMR achieved a bulk sensitivity of 376.78 nm/RIU in fundamental TM mode resonating at 0.809 μm with the first diffraction angle. Experiment results show a 264.78% enhancement in the sensitivity compared to that of the typical GMR sensor in the same resonance conditions of TM mode. 其他題名： Opt Express 出版者： United States 出版日期： 2012-06-18 出處： Optics express, 2012-06, Vol.20 (13), p.14584 資源來源： Optica Publishing Group Journals 識別號： ISSN: 1094-4087 識別號： EISSN: 1094-4087 識別號： DOI: 10.1364/OE.20.014584 識別號： PMID: 22714520
显示于类别:	[光電科學與工程學系] 期刊論文

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