Plasmonic sensor based microstructured optical fibers with silver nanowires

Congjing Hao; Ying Lu; Baoqun Wu; Haixia Cui; Liangcheng Duan; Ran Wang; Jianquan Yao

doi:10.1117/12.2025808

20 May 2013 Plasmonic sensor based microstructured optical fibers with silver nanowires

Congjing Hao, Ying Lu, Baoqun Wu, Haixia Cui, Liangcheng Duan, Ran Wang, Jianquan Yao

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 879406 (2013) https://doi.org/10.1117/12.2025808
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

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.

Citation Download Citation

Congjing Hao, Ying Lu, Baoqun Wu, Haixia Cui, Liangcheng Duan, Ran Wang, and Jianquan Yao "Plasmonic sensor based microstructured optical fibers with silver nanowires", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 879406 (20 May 2013); https://doi.org/10.1117/12.2025808

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