25 April 2016 Highly efficient passively Q-switched Tm,Ho:GdVO4 laser with kilowatt peak power
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We present the experimental results on the laser characteristics of diode-pumped passively Q-switched Tm,Ho:GdVO4 and Tm,Ho:YVO4 lasers with a Cr2+:ZnS saturable absorber emitting in the 2-μm range. The Tm,Ho:GdVO4 laser exhibits better performance than the Tm,Ho:YVO4 laser. The minimum pulse duration of 32.7 ns is obtained with the pulse energy of 0.30 mJ, corresponding to the peak power of 9.1 kW. The slope efficiencies of continuous wave and passively Q-switched Tm,Ho:GdVO4 lasers are 49.9% and 36.5%, corresponding to the Q-switching efficiency of 70.2%.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
Yanqiu Du, Baoquan Yao, Wei Liu, Zheng Cui, Xiaoming Duan, Youlun Ju, Hong Yu, "Highly efficient passively Q-switched Tm,Ho:GdVO4 laser with kilowatt peak power," Optical Engineering 55(4), 046112 (25 April 2016). https://doi.org/10.1117/1.OE.55.4.046112 . Submission:


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