Strain and temperature discrimination using a Hi-Bi grating partially exposed to chemical etching

O. Frazao; D. A. Pereira; J. L. Santos; Francisco Manuel Araujo; L. A. Ferreira

doi:10.1117/12.623589

23 May 2005 Strain and temperature discrimination using a Hi-Bi grating partially exposed to chemical etching

O. Frazao, D. A. Pereira, J. L. Santos, Francisco Manuel Araujo, L. A. Ferreira

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623589
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

This paper presents a sensing head based on a Bragg grating written in an elliptical cladding Hi-Bi fibre partially exposed to chemical etching for reduction of the cladding diameter. With this sensing head geometry different strain and similar temperature sensitivities are achieved.

Citation Download Citation

O. Frazao, D. A. Pereira, J. L. Santos, Francisco Manuel Araujo, and L. A. Ferreira "Strain and temperature discrimination using a Hi-Bi grating partially exposed to chemical etching", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623589

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