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Proceedings Paper

High sensitivity side-polished multimode fiber based refractometer
Author(s): Huanbiao Gan; Hongbo Gan; Jun Zhang; Zhe Chen; Jieyuan Tang; Yunhan Luo; Jianhui Yu; Zhigang Zang; Huihui Lu
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Paper Abstract

We have investigated the influence of side-polished multimode fiber (SPMMF) core diameters D and residual radius R (the minimum distance between side-polished surface and the center of multimode fiber) on the sensitivity of a SPMMF based refractometer. We show that the residual radius has significant influence on the refractive index (RI) sensitivity but the core diameter does not. A refractometer with a lower SPMMF core diameter has a higher sensitivity. Experimental investigations achieved a maximum sensitivity of 42.23 dB/RIU (refractive index unit) for a refractive index range from 1.300 to 1.440 for a refractometer with a SPMMF core diameter of 50 μm.

Paper Details

Date Published: 2 June 2014
PDF: 4 pages
Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91571W (2 June 2014); doi: 10.1117/12.2059724
Show Author Affiliations
Huanbiao Gan, Jinan Univ. (China)
Hongbo Gan, Jinan Univ. (China)
Jun Zhang, Jinan Univ. (China)
Zhe Chen, Jinan Univ. (China)
Jieyuan Tang, Jinan Univ. (China)
Yunhan Luo, Jinan Univ. (China)
Jianhui Yu, Jinan Univ. (China)
Zhigang Zang, Jinan Univ. (China)
Huihui Lu, Jinan Univ. (China)

Published in SPIE Proceedings Vol. 9157:
23rd International Conference on Optical Fibre Sensors
José M. López-Higuera; Julian D. C. Jones; Manuel López-Amo; José Luis Santos, Editor(s)

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