A. Doroshenko, D. Kosyanov, P. Mateychenko, N. Matveevskaya, S. Parkhomenko, V. Puzikov, A. Tolmachev, R. Yavetskiy, Y. Kopylov, V. B. Kravchenko
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Comparison of Nd:YAG optical ceramics produced by different sintering routes
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 co-precipitated 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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