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

Gwandu, Bashir A.L.; Shu, Xuewen; Allsop, Thomas D.P.; Zhang, Wei; Webb, David J.; Zhang, Lin and Bennion, Ian (2002). Simultaneous refractive index and temperature measurement using cascaded long-period grating in double-cladding fibre. Electronics letters, 38 (14), pp. 695-696.

Abstract

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
Published Date: 2002-07-04

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