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Conferences > OFS > 2023 > Th6 > Th6.72

Spatial Mode Demultiplexing of Femtoecond-Inscribed Fiber Bragg Grating in Multi-Mode Fibers for High Temperature Sensing

Jean-Baptiste Quelene, Tangi Le Guennic, Arnaud Rigny, Romain Cotillard, Guillaume Labroille, and Guillaume Laffont

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Abstract

We report interrogation of one Fiber Bragg Grating sensor inscribed in Multi-Mode fiber with 45-mode spatial demultiplexer as well as monitoring of fifteen modes of nine different wavelength groups at temperatures steps up to 1000 °C.

© 2023 The Author(s)

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