DocumentCode
1215015
Title
Quasi-distributed strain sensor incorporating a chirped Moire/spl acute/ fiber Bragg grating
Author
Gillooly, A.M. ; Zhang, L. ; Bennion, I.
Author_Institution
Photonics Res. Group, Aston Univ., Birmingham, UK
Volume
17
Issue
2
fYear
2005
Firstpage
444
Lastpage
446
Abstract
A quasi-distributed strain sensor with an average spatial resolution of 164 μm over a length of 25 mm and a strain sensitivity of 0.8/spl plusmn/0.01 pm/μ/spl epsiv/ has been experimentally demonstrated. The sensor was formed by a chirped Moire/spl acute/ fiber Bragg grating written into the core of single-mode optical fiber with a 244-nm continuous-wave laser.
Keywords
Bragg gratings; chirp modulation; distributed sensors; fibre optic sensors; optical fibre fabrication; strain sensors; 244 nm; 25 mm; chirped Moire fiber Bragg grating; quasidistributed strain sensor; single-mode optical fiber; Bragg gratings; Capacitive sensors; Chirp; Fiber gratings; Fiber lasers; Optical fiber sensors; Passband; Refractive index; Spatial resolution; Strain measurement; Bragg; MoirÉ; fiber; grating; sensor; strain;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2004.840812
Filename
1386343
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