Diode-pumped, electro-optically Q-switched, cryogenic Tm:YAG laser operating at 1.88 μm

被引:10
作者
Koerner, Jorg [1 ,2 ,3 ]
Jambunathan, Venkatesan [1 ]
Yue, Fangxin [1 ]
Reiter, Juergen [2 ,3 ]
Navratil, Petr [1 ]
David, Samuel Paul [1 ]
Lucianetti, Antonio [1 ]
Hein, Joachim [2 ,3 ]
Mocek, Tomas [1 ]
Kaluza, Malte C. [2 ,3 ]
机构
[1] Czech Acad Sci, Inst Phys, HiLASE Ctr, Dolni Brezany, Czech Republic
[2] Friedrich Schiller Univ Jena, Inst Opt & Quantum Elect, Jena, Germany
[3] Helmholz Inst Jena, Jena, Germany
来源
HIGH POWER LASER SCIENCE AND ENGINEERING | 2021年 / 9卷
关键词
cryogenic condition; laser; Q-switch; short-wave infrared; Tm:YAG;
D O I
10.1017/hpl.2020.53
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present a diode-pumped, electro-optically Q-switched Tm:YAG laser with a cryogenically cooled laser crystal at 120 K. Output pulses of up to 2.55 mJ and 650 ns duration were demonstrated in an actively Q-switched configuration with a repetition rate of 1 Hz. By using cavity dumping the pulse duration was shortened to 18 ns with only a slightly lower output energy of 2.22 mJ. Furthermore, using a simplified rate equation model, we discuss design constraints on the pump fluence in a pulse pump approach for Tm:YAG to maximize the energy storage capability at a given pump power.
引用
收藏
页数:6
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