Temperature independent strain/load sensor using a highly birefringent photonic crystal fibre loop mirror

O. Frazão; L. Marques; J. Marques; J. M. Baptista; J. L. Santos

doi:10.1117/12.738368

2 July 2007 Temperature independent strain/load sensor using a highly birefringent photonic crystal fibre loop mirror

O. Frazão, L. Marques, J. Marques, J. M. Baptista, J. L. Santos

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 66190Y (2007) https://doi.org/10.1117/12.738368
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

This work presents a temperature independent strain/load sensor using a highly birefringent photonic crystal fibre loop mirror. The length of the sensing head is 38 centimetres and its corresponding wavelength spacing between two interferometer minima is 8 nm. The obtained strain and transverse load sensitivity were 1.21 pm/&mgr;&Vegr; and 0.37 nm/Kg/mm, respectively, while is insensitive to temperature (0.3 pm/°C).

Citation Download Citation

O. Frazão, L. Marques, J. Marques, J. M. Baptista, and J. L. Santos "Temperature independent strain/load sensor using a highly birefringent photonic crystal fibre loop mirror", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190Y (2 July 2007); https://doi.org/10.1117/12.738368

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