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Proceedings Paper

Polarization properties of fiber cladding modes near cut-off with applications to refractometry
Author(s): F. Gorlier; C. Caucheteur; M. Wuilpart; P. Mégret; J. Albert
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Paper Abstract

The cladding mode resonances of a tilted fiber Bragg grating show very strong polarization splitting for modes near cutoff, as determined by the surrounding refractive index. Rotating the linear polarization of the core guided light results in amplitude changes that can exceed 10 dB, but only for a few modes. The wavelengths of these highly sensitive modes can then be used to determine the surrounding refractive index.

Paper Details

Date Published: 5 October 2009
PDF: 4 pages
Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750315 (5 October 2009); doi: 10.1117/12.835416
Show Author Affiliations
F. Gorlier, Faculté Polytechnique de Mons (Belgium)
C. Caucheteur, Faculté Polytechnique de Mons (Belgium)
M. Wuilpart, Faculté Polytechnique de Mons (Belgium)
P. Mégret, Faculté Polytechnique de Mons (Belgium)
J. Albert, Carleton Univ. (Canada)


Published in SPIE Proceedings Vol. 7503:
20th International Conference on Optical Fibre Sensors

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