Comparison of Nd:YAG optical ceramics produced by different sintering routes

Abstract

Nd:YAG ceramics were fabricated by solid-state reactive sintering of commercial powders and vacuum sintering of custom made co-precipitated nanopowders. The densities, microstructure, average grain size, residual porosity, optical transmittances of the sintered ceramics were compared. Nd:YAG ceramics produced by solid-state reactive sintering possess higher transmittance compared to vacuum-sintered ceramics from coprecipitated nanopowders, which is however still lower than that of single crystals. The possible ways to improve optical quality of Nd:YAG ceramics are discussed.

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Keywords

yttrium aluminum garnet, vacuum sintering, coprecipitated nanopowders, solid state reactive sintering, optical transmittance

Citation

Comparison of Nd:YAG optical ceramics produced by different sintering routes / А. G. Doroshenko, D. Yu. Kosyanov, P. V. Маteychenko, N. A. Matveevskaya, S. V. Parkhomenko, V. M. Puzikov, A. V. Tolmachev, R. P. Yavetskiy, Yu. L. Kopylov, V. B. Kravchenko // Оксидні матеріали електронної техніки – отримання, властивості, застосування (ОМЕЕ – 2012) : збірник матеріалів міжнародної наукової конференції, 3-7 вересня 2012 року, Львів, Україна / Національний університет “Львівська політехніка”. – Львів : Видавництво Львівської політехніки, 2012. – С. 21–22. – Bibliography: 5 titles.

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