Bend induced spectral changes in fibre Bragg gratings and their applications for simultaneous measurement

Xuewen Shu, Kate Sugden, Ian Bennion

Research output: Contribution to journalArticle

Abstract

A report is presented on the interesting bending effect of cladding mode resonances in fibre Bragg gratings (FBGs). It is observed that a serial of new cladding mode resonances can arise under bending and the new and the original cladding mode resonances have opposite trends in amplitude change and wavelength shift when the curvature varies. The discovery provides an effective new way to discriminate between bend and strain or bend and temperature when using only a single uniform FBG.
Original languageEnglish
Pages (from-to)714-716
Number of pages3
JournalElectronics letters
Volume47
Issue number12
DOIs
Publication statusPublished - 9 Jun 2011

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Fiber Bragg gratings
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Temperature

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abstract = "A report is presented on the interesting bending effect of cladding mode resonances in fibre Bragg gratings (FBGs). It is observed that a serial of new cladding mode resonances can arise under bending and the new and the original cladding mode resonances have opposite trends in amplitude change and wavelength shift when the curvature varies. The discovery provides an effective new way to discriminate between bend and strain or bend and temperature when using only a single uniform FBG.",
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Bend induced spectral changes in fibre Bragg gratings and their applications for simultaneous measurement. / Shu, Xuewen; Sugden, Kate; Bennion, Ian.

In: Electronics letters, Vol. 47, No. 12, 09.06.2011, p. 714-716.

Research output: Contribution to journalArticle

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