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分析了啁啾脉冲在钛宝石再生放大器中的能量增益与泵浦光及信号光光束口径的关系。并用不同能量的调Ｑ倍频ＮｄＹＡＧ激光器的５３２ｎｍ光为泵浦光，测量了２ＴＷ钛宝石激光系统中钛宝石再生放大器在无注入信号脉冲时和有注入信号脉冲时的脉冲建立时间及相应的输出能量大小。再生放大器的增益为２×１０７。
The relationship between the energy gain of chirped pulse in Ti: GaAs regenerator and the aperture of pump light and signal light beam was analyzed. And the 532nm light of Q-switched Nd: YAG laser with different energy is used as the pump light to measure the pulse setup time and the corresponding output of the TiT sapphire laser in a 2TW Ti: sapphire laser system with no injection signal pulse and injection signal pulse Energy size Regenerative amplifier gain of 2 × 107.