材料科学
饱和吸收
激光器
连续波
二极管
光电子学
钽
光学
光纤激光器
波长
冶金
物理
作者
Tianqi Qi,Haibin Wu,Mingfeng Li,Xueling Hou,Yingjie Shen,Xiaoming Duan,Wen‐Cheng Lu,Yong Bi,Kevin Zhang,Pu Zhou,Shuang Yu,Tianhao Zong,Linjun Li,Yuqiang Yang
摘要
Abstract In this paper, a compact diode‐pumped continuous wave (CW) and passively Q‐switched mode‐locked (QML) Tm:YAG lasers operation on the 3 F 4 – 3 H 6 transition is realized by using tantalum aluminum carbide (Ta 4 AlC 3 ) phase ceramic (MAX) material as a saturable absorber (SA). The first stable QML operation of the mid‐infrared Tm:YAG laser at 2012.38 nm is demonstrated with a Ta 4 AlC 3 ‐SA. A stable QML Tm:YAG laser was achieved when the absorption pumping power reached 14 W. Under QML mode, Tm:YAG laser generated a maximum average output power of 560 mW at 2012.38 nm with an optical‐to‐optical conversion efficiency of 4%, corresponding to a shortest pulse duration of 541 ps and a high repetition rate of 168 MHz. The experiment shows that Ta 4 AlC 3 ‐SA is an attractive candidate for diode‐pumped CW and QML mid‐infrared all‐solid‐state lasers emitting around 2.0 μm.
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