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Proceedings Paper

Plasmonic sensor based microstructured optical fibers with silver nanowires
Author(s): Congjing Hao; Ying Lu; Baoqun Wu; Haixia Cui; Liangcheng Duan; Ran Wang; Jianquan Yao
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Paper Abstract

We propose and numerically characterize a design for a photonic crystal fiber based surface plasmonic resonance sensor for an aqueous environment. The coupling properties of the plasmonic modes and core-guided mode are investigated comprehensively by the finite element method. The sensor consists of selectively filled with silver nanowires analyte channels, which enhance the phase matching between the core-guided mode and plasmonic mode. Compared with the entirely filled structure, the selectively filled sensor design demonstrates lower transmission loss and better sensitivity, which is 2800nm/RIU (refractive index unit). Moreover, the resonance wavelength has an increase with the analyte index increase, and the increasing trend of wavelength separation with index change is linear.

Paper Details

Date Published: 20 May 2013
PDF: 4 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 879406 (20 May 2013); doi: 10.1117/12.2025808
Show Author Affiliations
Congjing Hao, Tianjin Univ. (China)
Ying Lu, Tianjin Univ. (China)
Baoqun Wu, Tianjin Univ. (China)
Haixia Cui, Tianjin Univ. (China)
Liangcheng Duan, Tianjin Univ. (China)
Ran Wang, Tianjin Univ. (China)
Jianquan Yao, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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