Simultaneous refractive index and temperature measurement using cascaded long-period grating in double-cladding fibre


A compact scheme for simultaneous temperature and surrounding refractive index (SRI) measurement using two long-period gratings (LPGs) of different periods inscribed side-by-side in a single piece of a double-cladding fibre is presented. One of the LPGs is sensitive to both SRI and temperature, whilst the second is sensitive to temperature only.

Uncontrolled Keywords: simultaneous temperature, surrounding refractive index, measurement, long-period gratings, double-cladding fibre, temperature
Publication ISSN: 0013-5194
Last Modified: 23 Oct 2019 10:36
Date Deposited: 13 Dec 2010 13:48
Published Date: 2002-07-04
Authors: Gwandu, Bashir A.L.
Shu, Xuewen
Allsop, Thomas D.P.
Zhang, Wei
Webb, David J.
Zhang, Lin
Bennion, Ian


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