标题：Tungsten ditelluride for a nanosecond Ho,Pr:LiLuF4 laser at 2.95 mu m
作者：Yan, Zhengyu; Li, Tao; Zhao, Jia; Zhao, Shengzhi; Yang, Kejian; Li, Guiqiu; Li, Dechun; Zhang, Shuaiyi; Li, Jian
作者机构：[Yan, Zhengyu; Li, Tao; Zhao, Jia; Zhao, Shengzhi; Yang, Kejian; Li, Guiqiu; Li, Dechun] Shandong Univ, Sch Informat Sci & Engn, Shandong Prov Key Lab 更多
通讯作者地址：[Li, T]Shandong Univ, Sch Informat Sci & Engn, Shandong Prov Key Lab Laser Technol & Applicat, Jinan 250100, Shandong, Peoples R China.
来源：LASER PHYSICS LETTERS
关键词：mid-infrared solid lasers; novel saturable absorber; Q-switched lasers
摘要：The linear and nonlinear absorption characteristics of a home-built multilayer tungsten ditelluride (WTe2) saturable absorber at similar to 3 mu m were demonstrated for the first time. A passively Q-switched Ho,Pr:LiLuF4 laser was realized by inserting the WTe2-saturable absorber into a plane-concave laser cavity. A maximum average output power of 128 mW, with a pulse duration of 366 ns at a repetition rate of 92 kHz was obtained under an absorbed pump power of 3.67 W, corresponding to a pulse energy of 1.4 mu J.