Singlemode hetero-core fiber based refractometer demodulated in a ratiometric system

Wu, Qiang, Ma, Youqiao, Bo, Lin, Wang, Pengfei, Semenova, Yuliya and Farrell, Gerald (2011) Singlemode hetero-core fiber based refractometer demodulated in a ratiometric system. In: 2011 IEEE Sensors Proceedings. IEEE, Piscataway, NJ, pp. 402-404. ISBN 9781424492909

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Official URL: http://dx.doi.org/10.1109/ICSENS.2011.6127258

Abstract

We propose a fiber refractometer based on a singlemode-small core singlemode (SCSMF)-singlemode (SMF28-SCSMF-SMF28) structure demodulated by a ratiometric measurement system. Both the SMF28 and SCSMF fibers have a step index profile and the conventional SMF28 fiber is used at both ends as the attaching fiber to the small core SMF fiber. By measuring the power variations at the output of the refractometer, the surrounding refractive index (SRI) can be determined. Experiments demonstrate a maximum RI sensitivity of 1.55×10-5 in the SRI range from 1.3340 to 1.4485.

Item Type: Book Section
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 11 Jun 2015 09:37
Last Modified: 24 Oct 2017 08:53
URI: http://nrl.northumbria.ac.uk/id/eprint/22856

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