在研究多电极对激光器输出特性的实验中，在气压、脉冲电压、放电区体积等其他放电参数保持不变的情况下，多组电极对同步触发时，激光器的输出有非线性的脉冲能量增强效应。在总结实验规律的基础上，综合考虑腔内光子数密度和谐振腔效率的影响，深入分析非线性能量增强效应的产生机制，建立了理论模型。将理论计算值与实验测量值相比较，理论分析与实验结果符合较好。

In the experiments of the output characteristic from a multiple-electrode-pair laser, keeping the discharge parameters (such as pressure, voltage, discharge volume and so on) changeless, when several electrode-pairs are triggered in the same time, the laser pulse energy enhances nonlinearly. The experimental rules are summed up and the effects of the interaction of several discharge sections on the intracavity photon density and cavity efficiency are considereds and the reasons of nonlinear energy enhancement are analyzed, and a theoretical model is set up. The theoretical analysis agrees with the experiments.