A model for fast predicting and optimizing the sensitivity of surface-relief guided mode resonance sensors

Sheng Fu Lin, Chih Ming Wang, Ya Lun Tsai, Ting Jou Ding, Tsung Hsun Yang, Wen Yih Chen, Song Feng Yeh, Jenq Yang Chang

研究成果: 雜誌貢獻期刊論文同行評審

28 引文 斯高帕斯(Scopus)

摘要

A modified waveguide model for predicting the sensitivity of surface-relief guided mode resonance (GMR) biosensors is presented. The proposed model is a convenient and fast calculation method compared to the current optical simulation tools such as the rigorous couple wave analysis (RCWA). A systematic and theoretical discussion of the GMR geometric structure and sensitivity of the modified model for biosensing is also presented. For a given GMR material, the theoretical maximum sensitivity can be achieved by choosing the proper geometric structure from the model simulations. A comparison of the GMR biosensor sensitivity respectively calculated by the model and the RCWA method shows good agreement. Finally, a suspending GMR structure with a 4.5-fold increase in sensitivity compared to the traditional surface-relief GMR is proposed.

原文???core.languages.en_GB???
頁(從 - 到)1197-1203
頁數7
期刊Sensors and Actuators, B: Chemical
176
DOIs
出版狀態已出版 - 2013

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