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Influence of hot isostatic pressing on sintering trajectory and optical properties of transparent Nd:YAG ceramics

Abstract : Controlling residual amounts of defects in transparent ceramics is a major challenge for laser applications. This study was focused on the influence of post-sintering treatment by hot isostatic pressing (HIP) on microstructural evolution during reaction–sintering of Nd:YAG ceramics. This work shows that the pores–grain boundary separation phenomenon can be avoided thanks to suitable post-HIP treatment. As a result, this study shows that fully dense and highly transparent Nd:YAG ceramics with microsized grain can be manufactured by HIP technology. Finally, laser oscillation was demonstrated and laser slope efficiency appears to be enhanced with HIP treatment.
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https://hal-unilim.archives-ouvertes.fr/hal-01875278
Contributeur : Beatrice Derory <>
Soumis le : lundi 17 septembre 2018 - 10:43:08
Dernière modification le : jeudi 2 avril 2020 - 10:48:05

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Lucie Chretien, Loïck Bonnet, Rémy Boulesteix, Alexandre Maitre, Christian Sallé, et al.. Influence of hot isostatic pressing on sintering trajectory and optical properties of transparent Nd:YAG ceramics. Journal of the European Ceramic Society, Elsevier, 2016, 36 (8), pp.2035 - 2042. ⟨10.1016/j.jeurceramsoc.2016.02.021⟩. ⟨hal-01875278⟩

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