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在常规重复频率77 MHz掺钛蓝宝石飞秒激光器的基础上,通过腔内引入Herriott型多通望远镜系统增加总腔长及对腔内色散的深入分析和实验控制,实现了低重复频率、高脉冲能量飞秒激光振荡的稳定运行.在连续功率8.2 W的532 nm激光抽运下,得到了重复频率11 MHz、单脉冲能量达72.73 nJ、对应峰值功率MW量级的结果.相对80 MHz重复频率下6.25 nJ的单脉冲能量及150 kW的峰值功率,其输出能力提高了约一个量级.
关键词:
飞秒激光
掺钛蓝宝石激光器
低重复频率
MW 相似文献
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In order to improve the precision of the laser–radio-frequency(RF) synchronization system from sub-picosecond to femtosecond(fs), a synchronization system between a picosecond laser and a 1.3 GHz RF generator has been developed based on a fiber-loop optical-microwave phase detector(FLOM-PD). Synchronization with fs-level(3.8 fs) rms jitter, integrated from 10 Hz to 1 MHz, is achieved for the first time, to the best of our knowledge, in this kind of configuration. This system will be used for the superconducting RF accelerator at Peking University. 相似文献
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