标题:Efficient passive Q-switching operation of a diode-pumped Nd : GdVO4 laser with a Cr4+: YAG saturable absorber
作者:Liu, JH; Ozygus, B; Yang, SH; Erhard, J; Seelig, U; Ding, A; Weber, H; Meng, XL; Zhu, L; Qin, LJ; Du, CL; Xu, XG; Shao, ZS
作者机构:[Liu, JH; Ozygus, B; Yang, SH; Erhard, J; Seelig, U; Ding, A; Weber, H; Meng, XL; Zhu, L; Qin, LJ; Du, CL; Xu, XG; Shao, ZS]Te 更多
通讯作者:Liu, J.
通讯作者地址:[Liu, JH]Tech Univ Berlin, Inst Opt, Str 17 Juni 135, D-10623 Berlin, Germany.
来源:JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
出版年:2003
卷:20
期:4
页码:652-661
DOI:10.1364/JOSAB.20.000652
摘要:A diode-pumped highly efficient Cr4+:YAG passively Q-switched Nd:GdVO4 laser formed by a plano-concave resonator has been demonstrated. At the highest attainable absorbed pump power of 11.4 W, 4.05 W of average output power, which was two thirds of the maximum corresponding cw output, was achieved with an optical conversion efficiency of 35.5%, and the slope efficiency was determined to be 46.8%, reaching 85% of the magnitude of its cw counterpart. The resulting shortest pulse duration, single-pulse energy, and peak power were found to be 13 us, 90 muJ, and 7 kW, respectively, with a pulse repetition frequency (PRF) of 45 kHz. Two particularly modified resonator configurations were employed; the largest pulse energy and the highest peak power reached were, respectively, 154 muJ and 11.2 kW at 8.5 W of absorbed pump power. An analytical relation between the PRF and the absorbed pump power is given for a passively Q-switched laser, showing good consistency with experiment with a Nd:GdVO4 laser. The dependence of the operational parameters on the pump power and on the output coupling was also investigated experimentally. Issues involving the criterion for passive Q switching are discussed in some detail for Cr4+:YAG passively Q-switched neodymium-doped vanadate lasers. (C) 2003 Optical Society of America.
收录类别:EI;SCOPUS;SCIE
WOS核心被引频次:75
Scopus被引频次:91
资源类型:期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-0037835860&doi=10.1364%2fJOSAB.20.000652&partnerID=40&md5=404cf7470c79d0376332b4c075d58b11
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