Analyte-filled fiber core assisted surface plasmon sensing

Yating Zhang; Chi Zhou; Li Xia; Hairong Liu; Deming Liu

doi:10.1117/12.888655

3 January 2011 Analyte-filled fiber core assisted surface plasmon sensing

Yating Zhang, Chi Zhou, Li Xia, Hairong Liu, Deming Liu

Proceedings Volume 7990, Optical Sensors and Biophotonics II; 79900T (2011) https://doi.org/10.1117/12.888655
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

A microstructured fiber based surface plasmon sensor with a high sensitivity of 2.4×10^-6 was proposed using an central analyte-filled channel in the core region. Through the analyte modulation, the variation trend of the resonance loss with the analyte refractive index was demonstrated to be contrary to that of the sensitivity. In this way significantly enhancement in the detection accurary can be achieved. The resolution of the sensor was also improved by properly choosing the size of the central hole. With analyte infiltration into the core, the calibration curve of the sensor can be effectively linearized, partially alleviating the difficulty in data processing.

Citation Download Citation

Yating Zhang, Chi Zhou, Li Xia, Hairong Liu, and Deming Liu "Analyte-filled fiber core assisted surface plasmon sensing", Proc. SPIE 7990, Optical Sensors and Biophotonics II, 79900T (3 January 2011); https://doi.org/10.1117/12.888655

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