Diode-pumped passively Q-switched Nd:YVO4 laser with a carbon nanotube saturable absorber
A diode end-pumped passively Q-switched Nd:YVO4 laser with a transmission-type single-walled carbon nanotube saturable absorber is first demonstrated in this paper. The maximum continuous wave (CW) output power of 477 mW is obtained at the incident pump power of 1490 mW with the output transmission T = 10%, resulting in slope efficiency of 41.3%. For Q-switching operation, the measured pulse duration of 332 ns, the pulse energy of 326 nJ and the peak power of 982 mW are respectively obtained. © 2011 Pleiades Publishing, Ltd.
Qin, HB; Zhuo, Z; Liu, J; Zhang, HB; Wang, YG
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