Enhanced sensitivity fibre optic long period grating temperature sensor.
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Khaliq, Sarfraz
James, Stephen W.
Tatam, Ralph P.
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0957-0233
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Sarfraz Khaliq, Stephen W James and Ralph P Tatam; Enhanced sensitivity fibre optic long period grating temperature sensor. Measurement Science and Technolgy, 2002, Vol. 13, No. 5, pp792-795
Abstract
Surrounding a long period grating, fabricated in a standard optical fibre, with a material with a high thermo-optic coefficient enhances the temperature sensitivity of a long period grating. Temperature sensitivities as high as 19nm/°C are reported over a temperature range of 1.1°. The temperatures at which the LPG exhibits enhanced sensitivity may be tailored by a suitable choice of material.
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Github
Keywords
Fibre optics, Fibre optic sensors, Long period grating