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Resonantly pumped eye-safe Er 3+ :YAG SPS-HIP ceramic laser

Abstract : We report for the first time laser action in resonantly-pumped transparent polycrystalline Er3+:YAG ceramic developed through a 2-step approach combining spark plasma sintering and HIP post treatment. Microstructural and spectroscopic properties, as well as the laser performance of large scale 0.5at.% Er:YAG transparent polycrystalline ceramic are discussed. A maximum slope efficiency of ∼31% and optical-optical efficiency of 20% was measured.
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https://hal-uphf.archives-ouvertes.fr/hal-03477158
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Submitted on : Monday, December 13, 2021 - 12:29:12 PM
Last modification on : Friday, January 21, 2022 - 3:32:42 AM

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S. Bigotta, L. Galecki, Aurelien Katz, Judith Böhmler, Sébastien Lemonnier, et al.. Resonantly pumped eye-safe Er 3+ :YAG SPS-HIP ceramic laser. Optics Express, Optical Society of America - OSA Publishing, 2018, 26 (3), pp.3435. ⟨10.1364/OE.26.003435⟩. ⟨hal-03477158⟩

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