High Power Laser Science and Engineering, 2014, 2 (4): 04000e36, Published Online: Jan. 13, 2015  

Tape casting of a YAG/Yb:YAG/YAG transparent ceramic for a broadband tunable laser Download: 658次

Author Affiliations
1 State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China
2 Key Laboratory of Transparent Opt-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
Abstract
A composite transparent YAG/Yb:YAG/YAG ceramic was prepared by a non-aqueous tape-casting method. An optical transmittance of 82% was obtained at visible wavelength and around 1100 nm. A low-threshold, broadband tunable continuous-wave (CW) laser at 1031 nm was further demonstrated from the ceramic sample, which was pumped by a 974 nm fiber-pigtailed laser diode. The threshold pump power was 0.45 W and the maximum output power was 3.2 W, corresponding to a slope efficiency of 20.4%. By inserting an SF57 prism in the laser cavity, the output wavelength could be tuned continuously from 1021 to 1058 nm.

Chao Wang, Wenxue Li, Xianghui Yang, Dongbi Bai, Kangwen Yang, Xuewei Ba, Jiang Li, Yubai Pan, Heping Zeng. Tape casting of a YAG/Yb:YAG/YAG transparent ceramic for a broadband tunable laser[J]. High Power Laser Science and Engineering, 2014, 2(4): 04000e36.

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