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LD端面泵浦声光调QNd:YVO_4/KTA 1.53μm光学参量振荡激光器
引用本文:陈慧彬,朱海永,张戈,黄呈辉,郑益群,魏勇,段延敏,王鸿雁,邱港.LD端面泵浦声光调QNd:YVO_4/KTA 1.53μm光学参量振荡激光器[J].强激光与粒子束,2010,22(2).
作者姓名:陈慧彬  朱海永  张戈  黄呈辉  郑益群  魏勇  段延敏  王鸿雁  邱港
作者单位:1. 中国科学院 福建物质结构研究所, 福州 350002; 2. 福建师范大学 物理与光电信息科技学院, 福州 350007; 3. 青岛海泰光电技术有限公司, 山东 青岛 266100
基金项目:国家自然科学基金项目,福建省自然科学基金项目 
摘    要:介绍了一台连续激光二极管(LD)端面泵浦声光调Q的高重复频率、高效率1.53μm人眼安全光学参量振荡激光器。激光基质材料采用Nd:YVO4晶体,采用按Ⅱ类非临界相位匹配切割、长20 mm的KTA晶体作为非线性光学晶体。在LD泵浦功率13.7 W,声光调Q重复频率60 kHz时,获得最高平均功率2.6 W的1.53μm信号光输出,泵浦光-信号光转换效率达到19%。在最高输出功率2.6 W下测得单脉冲宽度2.9 ns,对应的单脉冲能量和峰值功率分别为43.3μJ和15 kW。

关 键 词:光学参量振荡器  Nd:YVO4  砷酸钛氯钾晶体  声光调Q  人眼安全
收稿时间:1900-01-01;

LD end-pumped Q-switched Nd:YVO_4/KTA optical parametric oscillator laser at 1.53 μm
ChenHuibin,ZhuHaiyong,ZhangGe,HuangChenghui,ZhengYiqun,WeiYong,DuanYanmin,WangHongyan,QiuGang.LD end-pumped Q-switched Nd:YVO_4/KTA optical parametric oscillator laser at 1.53 μm[J].High Power Laser and Particle Beams,2010,22(2).
Authors:ChenHuibin    ZhuHaiyong  ZhangGe  HuangChenghui  ZhengYiqun  WeiYong  DuanYanmin  WangHongyan  QiuGang
Institution:1. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; 2. School of Physics and Opto-Electronics Technology, Fujian Normal University, Fuzhou 350007, China; 3. Crystech Inc, Qingdao 266100, China
Abstract:A highly efficient high-repetition-rate CW laser diode end-pumped acousto-optically (AO) Q-switched eye-safe intracavity optical parametric oscillator at 1.53 μm was experimentally investigated. The 20 mm long KTA crystal cut for typeⅡ noncritical phase matching was adopted as the nonlinear crystal parametric converter in this experiment. We have achieved the signal average power of 2.6 W under the LD pumping power of 13.7 W and the pulse repetition rate of 60 kHz, corresponding to an optical-to-optical conversion efficiency of 19%. At the highest output power of 2.6 W, the signal pulse duration of 2.9 ns was obtained, corresponding to the single pulse energy of 43.3 μJ and peak power of 15 kW, respectively.
Keywords:Nd:YVO_4  optical parametric oscillator  Nd:YVO_4  KTA crystal  acousto-optically Q-switched  eye-safe
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