激光器
材料科学
波长
光学
连续波
二极管
饱和吸收
Crystal(编程语言)
脉冲持续时间
光电子学
功率(物理)
Q开关
光纤激光器
物理
量子力学
程序设计语言
计算机科学
作者
Beibei Wang,Congcong Gao,Renqin Dou,Hongkun Nie,Genban Sun,Wenpeng Liu,Haijuan Yu,Guoju Wang,Qingli Zhang,Xin Lin,Jingliang He,Wenjun Wang,Bingyuan Zhang
标识
DOI:10.1088/1612-202x/aa9aad
摘要
Dual-wavelength continuous-wave and Q-switched lasers are demonstrated in a Tm,Ho:GdYTaO4 crystal under 790 nm laser diode end pumping for the first time to the best of our knowledge. The laser operates with a dual wavelength at 1949.677 nm and 2070 nm for continuous-wave with a spacing of about 120 nm. The maximum output power is 0.332 W with a pump power of 3 W. By using graphene as the saturable absorber, a passively Q-switched operation is performed with a dual-wavelength at 1950.323 nm and 2068.064 nm with a wavelength interval of about 118 nm. The maximum average output power of the Q-switched laser goes up to 200 mW with a minimum pulse duration of 1.2 µs and a maximum repetition rate of 34.72 kHz.
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