Applied Physics BExcited state absorption and stimulated emission of Nd 3+ in crystals. Part I: Y 3 Al 5 O 12 , YAlO 3 , and Y 2 O 3S. Kück, L. Fornasiero, E. Mix, Günter HuberPublished Aug 1, 1998• 45 citationsPublisherDOI10.1007/s003400050486