用于ICF驱动器的全LD泵浦高增益放大系统研究
Diode-pumped high-gain amplifier system
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摘要: 四个LDA侧面泵浦的Nd3+:YLF激光放大器构成的高增益放大系统,采用双通放大结构,有效抑制了自激辐射,具有较高的信噪比和能量转化效率,实现了对nJ量级注入脉冲的106以上的高增益放大,具有良好的近场分布与能量稳定性。对系统的工作特性进行了研究,实现了工程化设计,已成功应用于大型ICF驱动器的能量预放大级。Abstract: A LDA side-pumped high-gain amplifier system with a dual-pass geometry is reported in this paper. According to the requirement of ICF driver, four ring-LD side-pumping Nd3+:YLF amplifiers are used in this system. More than 106 gain are achieved when input pulse energy is several nJ at 1 053 nm, the output pulse has good energy stability and perfect near-field distribution.
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Key words:
- diode-pumped /
- high-gain amplifier /
- nd3+:ylf
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