Optical properties and laser performance of Yb-doped vanadates grown by floating zone method

Springer Science and Business Media LLC - Tập 20 - Trang 390-394 - 2013
Shinki Nakamura1,2,3, Taishi Agata1, Takayo Ogawa3, Satoshi Wada3, Mikio Higuchi4
1Department of Media and Telecommunications Engineering, Faculty of Engineering, Ibaraki University, Hitachi, Ibaraki, Japan
2Frontier Research Center for Applied Atomic Sciences (iFRC), Ibaraki University, Tokai, Ibaraki, Japan
3RIKEN, the Institute of Physical and Chemical Research, Wako, Saitama, Japan
4Division of Materials Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Japan

Tóm tắt

We grew high-quality Yb:LuVO4, Yb:GdVO4, and Yb:YVO4 by the floating zone (FZ) method. It was found by measurement that these crystals had favorable optical properties. A maximum absorption coefficient of 27 cm−1 (FWHM) and a fluorescence bandwidth with a 20 nm (FWHM) were observed for Yb:LuVO4 at a Yb doping level of 4 at. %. Finally, we demonstrated the lasing performances of Yb:LuVO4, Yb:GdVO4, and Yb:YVO4. To our knowledge, this is the first time that a Yb-doped vanadate grown by the FZ method has been used as a laser, and 4 at.% Yb doping of the Yb:LuVO4 and Yb:YVO4 is the highest level of doping at which laser oscillation occurs among the Yb-doped vanadates.

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Springer Science and Business Media LLC

Tập 20

390-394

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