2001•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access
Highly efficient polycrystalline Nd:YAG ceramics laser
Jianren Lu, T. Murai, K. Takaichi, T. Uematsu, Kazuhiko Misawa, Ken‐ichi Ueda, Hideki Yagi, T. Yanagitani, Alexander A. Kaminskii
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Abstract
Highly efficient Nd:YAG ceramic laser at 1064 nm was demonstrated. Using 1 W LD end-pumping scheme, with 883 mW pumping, 499 mW 1064 nm CW laser output has been obtained corresponding to an optical to optical efficiency of 56.5%. High power CW Nd :YAG ceramic rod laser was also demonstrated. The maximum output power of 62.5 W with was obtained at 1064 nm. The optical to optical conversion efficiency is 21.6%.