Broad detecting range of objective-based surface plasmon resonance sensor via multilayer structure

Tzu Hsiang Lan, Yi Kuan Chung, Chung-Hao Tien*

*Corresponding author for this work

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

The demand of pursuing higher resolution drives the instrumental development of a surface plasmon resonance (SPR) sensor to shift from Kretchmann to objective-based configuration. However, its maximum sensing refractive index is restricted by the numerical aperture of an objective lens. Based on the mode conversion, we proposed a multilayer structure to extend the detecting range up to 11% (from 1.28 to 1.42) for a 1.45 objective lens via a transformed SPR mode. This technique not only overcomes intrinsic constraint but also reduces the cost.

原文English
文章編號09MG04
期刊Japanese Journal of Applied Physics
50
發行號9 PART 2
DOIs
出版狀態Published - 1 九月 2011

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