Cladding modes FBG curvature sensor based on a core misaligned splice

C. Jesus; P. A. S. Jorge; J. M. Baptista; O. Frazão

doi:10.1117/12.886029

18 May 2011 Cladding modes FBG curvature sensor based on a core misaligned splice

C. Jesus, P. A. S. Jorge, J. M. Baptista, O. Frazão

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77538U (2011) https://doi.org/10.1117/12.886029
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A novel fiber optic curvature sensor based on a core-offset single-mode fiber (SMF) and on a fiber Bragg grating (FBG) is presented. The FBG cladding modes are efficiently excited by the large core misalignment. The curvature of the beam can be obtained by the reflected power of the core mode and the recoupled cladding mode.

Citation Download Citation

C. Jesus, P. A. S. Jorge, J. M. Baptista, and O. Frazão "Cladding modes FBG curvature sensor based on a core misaligned splice", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77538U (18 May 2011); https://doi.org/10.1117/12.886029

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