| LD侧面泵浦Nd∶GdVO4 532 nm绿光激光器 |
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| 引用本文： | 毛鑫,沈兆国,付洁,唐刚锋,羊毅,程建新.LD侧面泵浦Nd∶GdVO4 532 nm绿光激光器[J].应用光学,2013,34(1):152-155. |
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| 作者姓名： | 毛鑫 沈兆国 付洁 唐刚锋 羊毅 程建新 |
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| 作者单位： | 中航工业洛阳电光设备研究所，河南 洛阳 471009 |
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| 摘 要： | 为了获得高功率窄脉宽532 nm绿光激光输出，通过高重复频率声光驱动调Q技术和LD侧面泵浦Nd∶GdVO4技术，获得高功率线偏振1 064 nm激光输出。采用内腔倍频方式，对非线性晶体KTP进行频率变换，实现高功率窄脉宽绿光激光输出。在电源输入电流30 A，调Q驱动频率10 kHz的条件下，获得最高功率30 W线偏振1 064 nm激光输出，脉宽30 ns，倍频KTP晶体获得23.4 W的532 nm绿光输出，1 064 nm到532 nm转化效率为78%。实验结果表明：通过声光调Q技术和LD侧面泵浦Nd∶GdVO4技术，可以实现高功率线偏振窄脉宽1 064 nm激光输出，倍频非线性晶体KTP可获得高功率窄脉宽532 nm激光。
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| 关 键 词： | LD侧面泵浦 高重复频率 Nd∶GdVO4 |
| 收稿时间： | 2012/10/25 |
LD side-pumped Nd∶GdVO4 532 nm green laser |
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| MAO Xin,SHEN Zhao-guo,FU Jie,TANG Gang-feng,YANG Yi,CHENG Jian-xin.LD side-pumped Nd∶GdVO4 532 nm green laser[J].Journal of Applied Optics,2013,34(1):152-155. |
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| Authors: | MAO Xin SHEN Zhao-guo FU Jie TANG Gang-feng YANG Yi CHENG Jian-xin |
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| Affiliation: | Luoyang Electro-Optical Equipment Research Institute of AVIC， Luoyang 471009, China |
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| Abstract: | To acquire high-power narrow-width 532 nm green laser,we used the acousto-optic driving Q-switched synchronization technology with high repetition rate and the laser diode (LD) side-pumped Nd∶GdVO4 laser to get high-power linearly polarized 1 064 nm laser output. We achieved high-power green laser output by intra-cavity frequency doubling and KTP non-linear frequency conversion. As the input current was 30 A and the Q-switched frequency was 10 kHz, we got the 1 064 nm polarized laser output with maximum power of 30 W and narrow width of 30 ns, and the 532 nm green laser output from KTP crystal with the maximum power of 23.4 W. Conversion efficiency of 1 064 nm to 532 nm was 78%. Experiment results indicate that the acousto-optic Q-switched technology and LD side-pumped Nd∶GdVO4 laser in tandem technology can be used to obtain high repetition frequency 1064nm polarized laser, and the high-power 532 nm green laser can be output by KTP non-linear frequency conversion. |
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| Keywords: | LD side-pumped high repetition frequency Nd:GdVO4 KTP |
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