Cryogenic Temperature Response Of Fibre Optic Long Period Gratings.

Date published

2003-08-01T00:00:00Z

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Iop Publishing Ltd

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Article

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0957-0233

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Citation

Stephen W. James, Ralph P. Tatam, Andrew Twin, Rod Bateman and Paul Noonan; Cryogenic Temperature Response Of Fibre Optic Long Period Gratings. Measurement Science and Technology, 2003, Vol. 14 Iss. 8, pp 1409-1411

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.

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Github

Keywords

fibre optic sensor, fibre grating, long period grating, temperature, cryogenic

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