| 高脉冲重复频率调Q Tm,Ho:GdVO4激光器 |
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| 引用本文： | 姚宝权,鞠有伦,王月珠,贺万骏.高脉冲重复频率调Q Tm,Ho:GdVO4激光器[J].强激光与粒子束,2005,17(Z1):29-32. |
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| 作者姓名： | 姚宝权 鞠有伦 王月珠 贺万骏 |
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| 作者单位： | 哈尔滨工业大学,可调谐激光国家级重点实验室,黑龙江,哈尔滨,150001 |
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| 基金项目： | Supported by the Scientific Research Foundation of Harbin Institute of Technolog(HIT200214) |
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| 摘 要： | 报道了一个高效率连续波和调Q高重频两种运行方式的Tm,HoGdVO4激光器.Tm,HoGdVO4晶体尺寸4
mm×4 mm×7 mm,a轴通光,液氮制冷到100 K,由发射中心波长为793 nm的光纤耦合激光二极管端面泵浦.Tm,HoGdVO4激光连续波输出功率4.0
W,光光转换效率26%.声光调Q条件下输出平均高功率3.9 W,脉冲重复频率10
kHz,脉冲宽度50 ns. 通过减小声光Q开关的开启时间,激光脉冲宽度由50 ns减小至23
ns.在10 kHz重频下,测量最大脉冲能量0.39 mJ , 峰值功率7.8 kW.
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| 关 键 词： | 激光二极管 端面泵浦 声光调Q Tm HoGdVO4 |
Q-switched Tm, Ho:GdVO4 laser with high pulse repetition frequency |
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| YAO Bao-quan,JU You-lun,WANG Yue-zhu,HE Wan-jun.Q-switched Tm, Ho:GdVO4 laser with high pulse repetition frequency[J].High Power Laser and Particle Beams,2005,17(Z1):29-32. |
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| Authors: | YAO Bao-quan JU You-lun WANG Yue-zhu HE Wan-jun |
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| Abstract: | CW and Q-switched operation of Tm, Ho:GdVO_4 laser is reported in this paper. The Tm,Ho:GdVO_4 crystal is cooled by liquid nitrogen and end-pumped by a laser diode of 793nm. Output power of 4.0 W and optical-to-optical efficiency of 26% is achieved at CW mode. With acousto-optically Q-switched operation, an average power 3.9 W of at a pulse-repetition rate of 10 kHz with pulse duration of 50ns is obtained. The pulse width is tunable from 23 ns to 50 ns by changing rf(radio frequency) off-time of AO Q-switch. At a pulse-repetition rate of 10 kHz, 0.39 mJ of pulse energy, and 7.8 kW of peak power were measured |
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| Keywords: | Diode laser End-pump AO Q-switch Tm Ho:GdVO_4 |
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