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

Xuewen Shu; Kate Sugden; Ian Bennion

doi:10.1049/el.2011.0867

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

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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.

Original language	English
Pages (from-to)	714-716
Number of pages	3
Journal	Electronics letters
Volume	47
Issue number	12
DOIs	https://doi.org/10.1049/el.2011.0867
Publication status	Published - 9 Jun 2011

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title = "Bend induced spectral changes in fibre Bragg gratings and their applications for simultaneous measurement",

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.",

author = "Xuewen Shu and Kate Sugden and Ian Bennion",

year = "2011",

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doi = "10.1049/el.2011.0867",

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AU - Bennion, Ian

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N2 - 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.

AB - 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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JO - Electronics letters

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

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