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高功率激光在多级放大介质中传输时 ,其行为与级间自由空间的距离有关。应用相对强度噪声 (RIN)分析方法 ,对多级传输的实验结果在频域内进行了定量分析 ,分析了不同级间距对频率分布的影响。
When high-power laser is transmitted in multi-stage amplification medium, its behavior is related to the distance between free stages in the stage. The relative intensity noise (RIN) analysis method is used to quantitatively analyze the experimental results of multilevel transmission in the frequency domain, and the influence of different pitch on the frequency distribution is analyzed.