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Comparative investigation of spectroscopic and laser emission characteristics under direct 885-nm pump of concentrated Nd:YAG ceramics and crystals |
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| Authors: | V Lupei A Lupei N Pavel T Taira A Ikesue |
| Institution: | (1) Institute of Atomic Physics, Solid-State Quantum Electronics Laboratory, 76 900 Bucharest, Romania, RO;(2) Laser Research Center, Institute for Molecular Science, Okazaki 444-8585, Japan, JP;(3) Japan Fine Ceramic Center, Nagoya 4656-8587, Japan, JP |
| Abstract: | A high-resolution spectroscopic and emission-decay investigation of highly concentrated Nd:YAG single crystals and ceramics shows that the state of the Nd3+ ions and their interaction in these materials are similar and can be used for construction of efficient solid-state lasers directly pumped in the emitting level. This possibility is demonstrated by continuous-wave emission of concentrated Nd:YAG crystals with up to 3.5 at. % Nd and ceramics with up to 6.8 at. % Nd under resonant 885-nm end pump. Received: 28 May 2001 / Final version: 17 August 2001 / Published online: 10 October 2001 |
| Keywords: | PACS: 42 55 Rz 42 70 Hj 78 55 Kz |
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