Comparison of spectroscopic properties of neodymium-doped aluminium garnet (Nd:YAG) ceramics obtained by reactive sintering of Al2O3, Y2O3 and Nd2O3 and by synthesis of nanocrystalline Nd:YAG powders

Anna Kozłowska; Magdalena Nakielska; Dariusz Podniesiński; Helena Węglarz; Anna Wajler; Zdzisław Librant; Tadeusz Łukasiewicz; Andrzej Maląg

doi:10.1117/12.874532

23 February 2011 Comparison of spectroscopic properties of neodymium-doped aluminium garnet (Nd:YAG) ceramics obtained by reactive sintering of Al₂O₃, Y₂O₃ and Nd₂O₃ and by synthesis of nanocrystalline Nd:YAG powders

Anna Kozłowska, Magdalena Nakielska, Dariusz Podniesiński, Helena Węglarz, Anna Wajler, Zdzisław Librant, Tadeusz Łukasiewicz, Andrzej Maląg

Author Affiliations +

Proceedings Volume 7934, Optical Components and Materials VIII; 79341B (2011) https://doi.org/10.1117/12.874532
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

Ceramic materials are interesting alternative to single crystals for various optoelectronic applications including high-power lasers and phosphors. Main advantages of ceramics compared to their single crystal counterparts are lower costs of production, ability to incorporate higher dopant concentrations and possibility to manufacture larger elements. In the present work, the spectroscopic properties of ceramics obtained by two different methods are compared. First method relies on solid-state reaction of nanometric oxide powders, i.e. Al₂O₃, Y₂O₃ and Nd₂O₃. The oxides with addition of tetraethyl orthosilicate were sintered under vacuum and anealled. Second method is the synthesis of neodymium-doped aluminium garnet (Nd:YAG) nanocrystalline powders prepared by coprecipitation technique. The powders were calcined and vacuum-sintered in optimized process conditions. For all ceramic samples fluoresce and decay data is presented. Presented results indicate that the ceramic samples obtained by reactive sintering method have superior spectroscopic properties compared to the samples synthesized from Nd:YAG nanocrystalline powders. The optimization of manufacturing process allowed to demonstrate ceramics having the properties comparable to single crystal counterparts. Optical quality and luminescent properties make the ceramics manufactured at the Institute of Electronic Materials Technology an interesting candidate for laser applications.

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Anna Kozłowska, Magdalena Nakielska, Dariusz Podniesiński, Helena Węglarz, Anna Wajler, Zdzisław Librant, Tadeusz Łukasiewicz, and Andrzej Maląg "Comparison of spectroscopic properties of neodymium-doped aluminium garnet (Nd:YAG) ceramics obtained by reactive sintering of Al₂O₃, Y₂O₃ and Nd₂O₃ and by synthesis of nanocrystalline Nd:YAG powders", Proc. SPIE 7934, Optical Components and Materials VIII, 79341B (23 February 2011); https://doi.org/10.1117/12.874532

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