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Développement par voie Sol-Gel de méthodes d'assemblage de cristaux à optique non linéaire pour applications laser

Abstract : In this CIFRE thesis we elaborate a bonding solution, with Cristal Laser and Oxxius companies, for non-linear optical crystals for laser applications. We had to optimize solution’s composition and the bonding process, this resulted in the creation of a bonding robot by our industrial partners. Numerous homo-assemblies bonding tests has been realized with the following crystal pairs of SiO2, Quartz, YAG, KTP, LBO, BBO and RTP. Those homo-assemblies have been thermally treated to stabilize our bonding solution interface and we obtained relatively good results. We also bonded hetero-assemblies with different crystal pairs like YAG/Quartz or SiO2/KTP. The results we get with these hetero-composites suggest that the difference in CTE between the assembled parts greatly limits the smooth heat treatments. We therefore investigated the CTE and the behavior of our adhesive interface depending on the temperature to provide adapted composition and treatment to the realization of these hetero-composites.
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  • HAL Id : tel-01127649, version 1

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Guillaume Sraïki. Développement par voie Sol-Gel de méthodes d'assemblage de cristaux à optique non linéaire pour applications laser. Matière Condensée [cond-mat]. Université Pierre et Marie Curie - Paris VI, 2015. Français. ⟨NNT : 2015PA066001⟩. ⟨tel-01127649⟩

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