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通过非线性数值模拟，研究了离子波纹激光（ＩＲＬ）中离子波纹场的纵向电场分量对束－波互作用的影响。结果表明，离子波纹场的纵向分量对ＩＲＬ的工作状况具有较大的影响。其中互作用长度的选择是非常重要的
By nonlinear numerical simulation, the influence of the longitudinal electric field component of the ionic ripple field in the ion beam laser (IRL) on the beam-wave interaction is studied. The results show that the longitudinal component of the ionic ripple field has a great influence on the working condition of IRL. The choice of interaction length is very important