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Towards a better understanding of the ROGUE
Author(s): F. Monet; P. Lorre; J.-S. Boisvert; V. Lambin-Iezzi; Raman Kashyap
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Paper Abstract

We investigate the properties of the ROGUE (Random Optical Grating by Ultraviolet or ultrafast laser Exposure), a type of grating we demonstrated recently, to better understand the origins of its enhanced reflectivity and broad bandwidth. Through this study, we are able to distinguish which proportion of the signal comes from random defects originating from the laser exposure, and which proportion comes from the random grating written in the fiber core. Through the understanding of the cause and the parameters responsible for the signal enhancement, we can optimize ROGUE fabrication to minimize scattering losses due to the random generation of defects and optimize the signal backscatter. Additionally, we investigate the origins of the ROGUE’s large bandwidth, and derive the parameters defining it allowing us to tune the bandwidth to the optimal value for sensing applications.

Paper Details

Date Published: 28 August 2019
PDF: 4 pages
Proc. SPIE 11199, Seventh European Workshop on Optical Fibre Sensors, 111993D (28 August 2019); doi: 10.1117/12.2541342
Show Author Affiliations
F. Monet, Ecole Polytechnique de Montréal (Canada)
P. Lorre, Ecole Polytechnique de Montréal (Canada)
J.-S. Boisvert, Ecole Polytechnique de Montréal (Canada)
V. Lambin-Iezzi, Ecole Polytechnique de Montréal (Canada)
Raman Kashyap, Ecole Polytechnique de Montréal (Canada)


Published in SPIE Proceedings Vol. 11199:
Seventh European Workshop on Optical Fibre Sensors
Kyriacos Kalli; Sinead O. O'Keeffe; Gilberto Brambilla, Editor(s)

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