Co2+:LMA crystal as saturable absorber for a diode-pumped passively Q-switched Nd:YVO4 laser at 1342 nm |
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| Authors: | H.T. Huang J.L. He C.H. Zuo H.J. Zhang J.Y. Wang Y. Liu H.T. Wang |
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| Affiliation: | (1) Institute of Crystal Materials, Shandong University, 27 Shanda Nanlu, Ji’nan, 250100, P.R. China;(2) College of Physics and Electronics, Shandong Normal University, Ji’nan, 250014, P.R. China;(3) National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, P.R. China |
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| Abstract: | ![]()
We have demonstrated an efficient diode-pumped passively Q-switched Nd:YVO4 laser at 1342 nm by using an uncoated Co2+:LaMgAl11O19 (Co2+:LMA) crystal as the saturable absorber. With the absorbed pump power of 11.7 W, the pulse width could be as low as 42 ns, with a corresponding average output power of 580 mW. At around 40 kHz repetition rate, the energy of a single Q-switched pulse was estimated to be about 14.5 μJ and the peak power was 346 W. The passive Q switching operation for the Co2+:LMA in different polarization states was also investigated. PACS 42.55.-f; 42.55.Xi; 42.60.Gd; 42.70.Mp |
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