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Proceedings Paper

Optical fiber surface plasmon resonance sensor with surface modified gold nanorods for biochemical detection
Author(s): Lixia Li; Yuzhang Liang; Lingxiao Xie; Mengdi Lu; Wei Peng
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Paper Abstract

A novel gold nanorods (GNRs) modified optical fiber localized surface plasmon resonance (LSPR) sensor for biochemical detection is demonstrated. The gold nanorods (GNRs) assembled film as the sensing layer was built on the polyelectrolyte (PE) multilayer modified sidewall of an unclad optical fiber. Poly (allylamine hydrochloride) (PAH)/poly (sodium 4-styrenesulfonate) (PSS) films were formed through layer-by-layer (LbL) assembly. The influence of the thickness of polyelectrolyte films was investigated. Simultaneously, the feasibility of the proposed film coupled nanorods optical fiber LSPR sensor in monitoring a series of concentration sucrose solutions with different refractive index is examined. Results suggest that the compact sensor can perform qualitative and quantitative detection in real-time biomolecular sensing.

Paper Details

Date Published: 13 November 2014
PDF: 6 pages
Proc. SPIE 9277, Nanophotonics and Micro/Nano Optics II, 92771K (13 November 2014); doi: 10.1117/12.2071516
Show Author Affiliations
Lixia Li, Dalian Univ. of Technology (China)
Yuzhang Liang, Dalian Univ. of Technology (China)
Lingxiao Xie, Dalian Univ. of Technology (China)
Mengdi Lu, Dalian Univ. of Technology (China)
Wei Peng, Dalian Univ. of Technology (China)


Published in SPIE Proceedings Vol. 9277:
Nanophotonics and Micro/Nano Optics II
Zhiping Zhou; Kazumi Wada, Editor(s)

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