Fibre optic modal interferometry for sensing applications

J. L. Santos; L. A. Ferreira; F. M. Araújo; O. Frazão

doi:10.1117/12.868138

14 October 2010 Fibre optic modal interferometry for sensing applications

J. L. Santos, L. A. Ferreira, F. M. Araújo, O. Frazão

Proceedings Volume 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2); 78390Y (2010) https://doi.org/10.1117/12.868138
Event: Workshop on Specialty Optical Fibers and Their Applications (WSOF-10), 2010, Oaxaca, Mexico

Abstract

Fibre optic modal interferometry has been around for long as a sensing concept. Initially mainly supported on the utilization of standard Hi-Bi fibres associated to polarimetric modal interferometry, later this sensing approach evolved to modal interference based on spatial modes propagating in the core, and on spatial modes propagating in the core and in the cladding, with coupling performed by fibre devices such as long period gratings and tapers. More recently the outcome of Photonic Crystal Fibres (PCF) originated a burst of activity around the concept of modal interferometry for sensing. The reasons for that viewed in a historic perspective are presented in this work.

Citation Download Citation

J. L. Santos, L. A. Ferreira, F. M. Araújo, and O. Frazão "Fibre optic modal interferometry for sensing applications", Proc. SPIE 7839, 2nd Workshop on Specialty Optical Fibers and Their Applications (WSOF-2), 78390Y (14 October 2010); https://doi.org/10.1117/12.868138

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