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Proceedings Paper

Sensitive surface plasmon resonance biosensor enhanced by photonic-crystal metallic structure
Author(s): Fang Wang; Chaoying Chen; Junbin Fang; Shuihua Peng; J. H. Yu; Jun Zhang; Jieyuan Tang; Huihui Lu; Zhe Chen; Yunhan Luo
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Paper Abstract

In this paper, we propose and analytically demonstrate a novel photonic crystal metallic structure, where a photonic crystal (PC) structure is integrated in a total-internal-reflection (TIR) geometry. This unique configuration introduces a new plasmon excitation mechanism, and the excited plasmon modes satisfy the conditions for both resonance modes in PC structure and Plasmon modes in the metallic structure, which makes it possesses a narrow resonance width, smaller minimum reflectance and higher sensitivity comparing with the conventional SPR sensor. The novel and sensitive PC-metallic biosensor will serve as a promising choose for optical biosensing, and in enhanced total-internal-reflection fluorescence microscopy (TIRFM).

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91578E (2 June 2014); doi: 10.1117/12.2059592
Show Author Affiliations
Fang Wang, Jinan Univ. (China)
Chaoying Chen, Jinan Univ. (China)
Junbin Fang, Jinan Univ. (China)
Shuihua Peng, Jinan Univ. (China)
J. H. Yu, Jinan Univ. (China)
Jun Zhang, Jinan Univ. (China)
Jieyuan Tang, Jinan Univ. (China)
Huihui Lu, Jinan Univ. (China)
Zhe Chen, Jinan Univ. (China)
Yunhan Luo, Jinan Univ. (China)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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