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Title: Characterisation of silicon fibre Bragg grating in near-infrared band for strain and temperature sensing
Authors: Theodosiou, Antreas 
Fokine, Michael 
Hawkins, Thomas W. 
Ballato, John M. 
Gibson, Ursula J. 
Kalli, Kyriacos 
Keywords: Cladding (coating);Electromagnetic pulse;Fiber Bragg gratings;Fibers;Infrared devices;Laser pulses;Silica;Silicon
Category: Electrical Engineering - Electronic Engineering - Information Engineering
Field: Engineering and Technology
Issue Date: 29-Nov-2018
Publisher: Institution of Engineering and Technology
Source: Electronics Letters, 2018,vol. 54, no. 24, pp. 1393-1395
Journal: Electronics Letters 
Abstract: Fibre Bragg grating inscription in the crystalline silicon (Si)-core fibre is described using visible light femtosecond laser pulses. The femtosecond pulses at 517 nm propagate through the transparent silica glass cladding and are fully absorbed by the Si core generating locally high temperatures and stress fields in forming the grating periods. The Si FBGs were characterised in reflection, calibrated for a first time as strain and temperature sensors and compared with that of FBGs inscribed in standard silica fibres.
ISSN: 0013-5194 (print)
1350-911X (online)
DOI: 10.1049/el.2018.6529
Rights: © The Institution of Engineering and Technology 2018
Type: Article
Appears in Collections:Άρθρα/Articles

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