Yb3+-doped CaF2-LaF3 ceramics laser

被引：35
|
作者：
Kitajima, Shotaro [1 ]
Yamakado, Kentaro [1 ]
Shirakawa, Akira [1 ]
Ueda, Ken-ichi [1 ]
Ezura, Yoshinobu [2 ]
Ishizawa, Hitoshi [2 ]
机构：
[1] Univ Electrocommun, Inst Laser Sci, Chofu, Tokyo 1828585, Japan
[2] Nikon Inc, Minami Ku, Sagamihara, Kanagawa 2280828, Japan
来源：
OPTICS LETTERS | 2017年 / 42卷 / 09期
关键词：
PULSE GENERATION; YB; CAF2;
D O I：
10.1364/OL.42.001724
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Highly transparent ceramic is an attractive gain medium for high-power lasers due to its high fracture toughness, homogeneity, and size scalability. Here we report the first Yb3+-doped CaF2-LaF3 ceramics laser. Codoping of La3+ ion can reduce the formation of Yb2+ ions and enhance the laser efficiency. In the laser experiment, the maximum output power of 4.36 W and the maximum slope efficiency of 69.5% were obtained with a 3% La, 2% Yb sample and a 2% La, 1% Yb sample, respectively. Due to the combined properties of Yb: CaF2 and a ceramic laser gain medium, Yb: CaF2-LaF3 ceramic is a promising gain medium for a high-power ultrashort pulse laser and amplifier. (C) 2017 Optical Society of America
引用
收藏
页码：1724 / 1727
页数：4
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