The spectral characteristics of femtosecond laser inscribed long period grating bend sensors written into a photonic crystal fibre

Allsop, Thomas D.P.; Kalli, Kyriacos; Zhou, Kaiming; Smith, Graham; Webb, David J.; Mezentsev, Vladimir and Bennion, Ian (2008). The spectral characteristics of femtosecond laser inscribed long period grating bend sensors written into a photonic crystal fibre. IN: 19th international conference on optical fibre sensors. Sampson, David D.; Collins, Stephen; Oh, Kyunghwan and Yamauchi, Ryozo (eds) SPIE proceedings, 7004 . SPIE.

Abstract

A series of LPGs was inscribed in photonic crystal fibre by a low repetition femtosecond laser system. When subjected to bending they were found to be spectrally sensitive to bend orientation and displayed a strong polarisation dependence.

Publication DOI: https://doi.org/10.1117/12.786664
Divisions: Engineering & Applied Sciences > Electrical, electronic & power engineering
Engineering & Applied Sciences
Additional Information: T. Allsop ; K. Kalli ; K. Zhou ; G. Smith ; D. J. Webb ; V. Mezentsev and I. Bennion; "The spectral characteristics of femtosecond laser inscribed long period grating bend sensors written into a photonic crystal fibre", David Sampson ; Stephen Collins ; Kyunghwan Oh and Ryozo Yamauchi (eds), Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70040D (May 16, 2008). Copyright 2008 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.786664
Event Title: 19th International Conference on Optical Fibre Sensors
Event Type: Other
Event Dates: 2008-04-14 - 2008-04-18
Uncontrolled Keywords: photonic crystal fibre,curvature,sensing,long period gratings,Electrical and Electronic Engineering,Condensed Matter Physics
Published Date: 2008-05-16

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