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二极管泵浦全固态589 nm脉冲激光器
引用本文:刘东,鲁燕华,马毅,张雷,王卫民.二极管泵浦全固态589 nm脉冲激光器[J].强激光与粒子束,2008,20(10).
作者姓名:刘东  鲁燕华  马毅  张雷  王卫民
作者单位:中国工程物理研究院 应用电子学研究所, 四川 绵阳 621900
摘    要: 报道了一台二极管激光器(DL)泵浦的全固态Nd:YAG和频激光器,激光是由Nd:YAG晶体的1 064 nm 和1 319 nm 谱线外腔和频产生,以6 mm×6 mm×12 mm KTP为和频晶体,采用Ⅱ类临界相位匹配, 在400 Hz重复频率下,当分别注入3.05 W和2.46 W的1 064 nm和1 319 nm调Q脉冲到KTP晶体时,和频最大输出达到了1.3 W,脉宽为35 ns,线宽优于3 GHz,和频效率达到了23.5%, 光束质量因子分别为1.84和1.93。实验结果表明采用激光二极管阵列泵浦Nd:YAG/ KTP 腔外和频技术是获得黄激光的高效方法, 并通过精确控制谐振腔内标准具的倾角与温度,和频输出波长可精确调谐到Na D2线。

关 键 词:全固态激光器  腔外和频  窄线宽  黄光
收稿时间:1900-01-01;

Diode pumped all-solid-state pulsed 589 nm laser
LIU Dong,LU Yan-hua,MA Yi,ZHANG Lei,WANG Wei-min.Diode pumped all-solid-state pulsed 589 nm laser[J].High Power Laser and Particle Beams,2008,20(10).
Authors:LIU Dong  LU Yan-hua  MA Yi  ZHANG Lei  WANG Wei-min
Institution:Institute of Applied Electronics, CAEP, P. O. Box 919-1013, Mianyang 621900, China
Abstract:A DL-pumped Nd:YAG all-solid-state sum-frequency laser is presented. Efficient sum-frequency mixing 1 064 nm and 1 319 nm in a 6 mm×6 mm×12 mm KTP crystal is obtained by extra-cavity sum-frequency. Type Ⅱ critical phase-match(CPM) is realized by controlling the temperature of the KTP crystal. By injecting 3.05 W and 2.46 W of 1 064 nm and 1 319 nm Q-switched radiation, respectively, into the KTP crystal, 1.3 W of sum-frequency maximum output is generated with a pulse repetition rate of 400 Hz and pulse duration of about 35 ns, narrowband less than 3 GHz,efficiency up to 23.5%.The beam quality factor of 589 nm laser was 1.84,1.93 in parellel and perpendicular direction, respectively. Experimental results show that the extra-cavity sum-frequency mixing is an effective method for obtaining
Keywords:Extra-cavity sum-frequency  Narrow band  Yellow light
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