Effects of heterogeneity on the surface plasmon resonance biosensor based on three-hole photonic crystal fiber

Pibin Bing; Zhongyang Li; Jianquan Yao; Ying Lu

doi:10.1117/1.OE.52.5.054401

7 May 2013 Effects of heterogeneity on the surface plasmon resonance biosensor based on three-hole photonic crystal fiber

Pibin Bing, Zhongyang Li, Jianquan Yao, Ying Lu

Author Affiliations +

Funded by: National Basic Research Program of China, National Key Basic Research and Development Program of China, National Basic Research Program of China (973 Program), National 973 Plan of China, Education Department of Henan Province as major Science and Technology

Optical Engineering, Vol. 52, Issue 5, 054401 (May 2013). https://doi.org/10.1117/1.OE.52.5.054401

Abstract

A surface plasmon resonance biosensor based on three-hole photonic crystal fiber (PCF) is analyzed by the finite element method. The results demonstrate that the biosensor will exhibit different loss spectra characteristics under the conditions of nonuniform thicknesses of the auxiliary dielectric layer, the gold layer, and the biolayer in the three-hole PCF, respectively. Furthermore, the sensing properties in both areas of resonant wavelength and intensity detection are discussed. Numerical results show excellent sensing characteristics when the thickness of the auxiliary dielectric layer is s=1 μm and the gold d_gold =40 nm , respectively. The sensor resolution of the biolayer thickness is demonstrated more than 0.05 nm in the vicinity of 0.6 μm with the amplitude-based method.

Citation Download Citation

Pibin Bing, Zhongyang Li, Jianquan Yao, and Ying Lu "Effects of heterogeneity on the surface plasmon resonance biosensor based on three-hole photonic crystal fiber," Optical Engineering 52(5), 054401 (7 May 2013). https://doi.org/10.1117/1.OE.52.5.054401

Published: 7 May 2013

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