7 to 8 mu m emission from Sm3+ doped selenide fibers

Abstract : We report on the observation of the long wave-infrared (LWIR) emission centered at 7.3 mu m of Sm3+ doped chalcogenide fibers. The chemical composition of the selenide glass host matrix (Ga5Ge20Sb10Se65) enables the drawing of 500 ppm and 1000 ppm Sm3+ doped fibers. By means of conventional glass elaboration methods, these Sm3+ doped fibered materials exhibit a significant emission band from 6.5 to 8.5 mu m with a maximum emission around 7.3 mu m whether they are excited at 1.45 mu m or at 2.05 mu m. Absorption spectra, Judd-Ofelt analysis, NIR, MWIR and LWIR luminescence spectra are presented and discussed. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01902035
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Submitted on : Tuesday, October 23, 2018 - 2:13:54 PM
Last modification on : Thursday, February 7, 2019 - 5:36:30 PM

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Florent Starecki, Alain Braud, Nora Abdellaoui, Jean-Louis Doualan, Catherine Boussard-Plédel, et al.. 7 to 8 mu m emission from Sm3+ doped selenide fibers. Optics Express, Optical Society of America, 2018, 26 (20), pp.26462-26469. ⟨10.1364/OE.26.026462⟩. ⟨hal-01902035⟩

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