An SMS structure based temperature sensor using a chalcogenide multimode fibre

被引:0
|
作者
Wang, Pengfei [1 ,2 ]
Yuan, Libo [1 ]
Brambilla, Gilberto [3 ]
Farrell, Gerald [2 ]
机构
[1] Harbin Engn Univ, Coll Sci, Key Lab In Fibre Integrated Opt, Minist Educ, Harbin 150001, Peoples R China
[2] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England
[3] Dublin Inst Technol, Photon Res Ctr, Kevin St, Dublin 8, Ireland
关键词
Fibre optic sensor; multimode interference; chalcogenide fibre; temperature sensor; SINGLE-MODE; INTERFERENCE;
D O I
10.1117/12.2246833
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this work we investigated the fabrication of a singlemode-multimode-singlemode (SMS) fibre structure based on a chalcogenide (As2S3 and AsxS1-x) multimode fibre (MMF) sandwiched between two standard silica singlemode fibres (SMFs) using a commercial fibre fusion splicer. The temperature dependence of this hybrid fibre structure was also investigated. A first proof of concept showed that the hybrid SMS fibre structure has an average experimental temperature sensitivity of 50.63 pm/degrees C over a temperature range of 20 degrees C similar to 100 degrees C at wavelengths around 1.55 mu m. The measured results show a general agreement with numerical simulations based on a guided-mode propagation analysis method. Our result provides a potential platform for the development of compact, high-optical-quality and robust sensing devices operating at the mid-infrared wavelength range.
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页数:4
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