High resolution temperature sensor based on frequency beating between twin DFB fiber lasers

We present a high resolution temperature sensor using the beat frequency between the longitudinal modes of twin single-mode distributed feedback fiber lasers. The lasers are made by femtosecond inscription of π-shifted fiber Bragg gratings in a thulium-doped fiber. Combining the light from two singl...

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Veröffentlicht in:	Optics express 2020-08, Vol.28 (18), p.26067-26075
Hauptverfasser:	Dusablon, Laurent, Fortin, Vincent, Boilard, Tommy, Bernier, Martin, Galarneau, Pierre, Babin, François, Vallée, Réal
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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