Comparison of transverse load sensitivities of fibre Bragg gratings in different types of optical fibres

Florian Jülich; Johannes Roths

doi:10.1117/12.854019

13 May 2010 Comparison of transverse load sensitivities of fibre Bragg gratings in different types of optical fibres

Florian Jülich, Johannes Roths

Proceedings Volume 7726, Optical Sensing and Detection; 77261N (2010) https://doi.org/10.1117/12.854019
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

Abstract

The response of optical fibre Bragg gratings (FBG) to transverse load was found to be significantly different for FBGs inscribed in two different types of single mode optical fibres. The transverse load sensitivity, defined as the relative wavelength separation of the birefringence-induced FBG double-peaks per transverse line-force, was found to be Cq = (45.1 ± 1.5)10^-9 1/N/m for a moderately GeO₂ doped (GF1B) and Cq = (48.5 ± 1.0)10^-9 1/N/m for a highly GeO₂ doped (PR2008) optical fibre. These data are important for a complete characterization of the opto-mechanical behavior of FBG sensor elements inscribed in different types of single mode optical fibres.

Citation Download Citation

Florian Jülich and Johannes Roths "Comparison of transverse load sensitivities of fibre Bragg gratings in different types of optical fibres", Proc. SPIE 7726, Optical Sensing and Detection, 77261N (13 May 2010); https://doi.org/10.1117/12.854019

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