Theoretical study of high-sensitivity surface plasmon resonance fiber optic sensing technology

Hong Li; Zhenguo Jing; Wei Peng; Qi Yu; Wenjuan Yao; Lingling Hu; Huaqi Cheng

doi:10.1117/12.900753

8 September 2011 Theoretical study of high-sensitivity surface plasmon resonance fiber optic sensing technology

Hong Li, Zhenguo Jing, Wei Peng, Qi Yu, Wenjuan Yao, Lingling Hu, Huaqi Cheng

Proceedings Volume 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies; 81911L (2011) https://doi.org/10.1117/12.900753
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

Surface Plasmon Resonance (SPR) has been widely investigated for chemical and biological sensing applications. Especially, fiber optic SPR sensors have recently drawn considerable attention because of their fundamentally simpler structure, lower cost, and suitability for remote-sensing applications. This paper will present a research work for a novel multichannel SPR sensing technology. Based on the Kretschmann's SPR theory, we theoretically investigate the surface parameters effects to SPR wavelength changes. Emphasis will be placed on a theoretical design and numerical simulation of a multichannel fiber optic SPR sensing scheme based on a geometrical tapered fiber optic sensor probe that coated with nanoparticles imprinted polymer on the SPR sensing region. The parameter effects of SPR sensing area that include metal thickness, sensing area length and dielectric overcoat layer. SPR spectra that change with incidence angle and wavelength are investigated by using numerical calculations and simulations. While nanoparticles imprinted polymer for enhancement of sensitivity can serve as an enhanced transduction mechanism for recognition and sensing of target analytes in accordance with different requirements, the scheme of a multichannel fiber optic SPR sensor can be further adapted to the design and development of multi-channel optical fibers SPR sensor probes by combining SPR with other technology as a comprehensive sensor design.

Citation Download Citation

Hong Li, Zhenguo Jing, Wei Peng, Qi Yu, Wenjuan Yao, Lingling Hu, and Huaqi Cheng "Theoretical study of high-sensitivity surface plasmon resonance fiber optic sensing technology", Proc. SPIE 8191, International Symposium on Photoelectronic Detection and Imaging 2011: Sensor and Micromachined Optical Device Technologies, 81911L (8 September 2011); https://doi.org/10.1117/12.900753

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