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Cryogenic Temperature Response Of Fibre Optic Long Period Gratings.

By Stephen W. James, Ralph P. Tatam, Andrew Twin, Rod Bateman and Paul Noonan

Abstract

The thermal response of the attenuation bands of an optical fibre long period grating was monitored over a temperature range of 4.2–280 K. A linear dependence of the central wavelength of the band, of gradient 0.2 nm K-1, was observed over the range 77–280 K. A measurable wavelength shift was observed at temperatures as low as 20 K

Topics: fibre optic sensor, fibre grating, long period grating, temperature, cryogenic
Publisher: Iop Publishing Ltd
Year: 2003
DOI identifier: 10.1088/0957-0233
OAI identifier: oai:dspace.lib.cranfield.ac.uk:1826/1406
Provided by: Cranfield CERES
Journal:

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