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实验研究了引射式气动窗口喷流引射对输出光束质量的影响，给出了不同引射喷管喉道尺寸下，不同引射喷流滞止压力时的气动窗口光学特性参数，其中包括：Ｓｔｒｅｈｌ强度比，波像差最大值，波阵面形状，均方根值以及调制传递函数。实验表明，除引射喷管喉道尺寸ｄＨ＝２．５ｍｍ，引射喷流滞止压力为０．５ＭＰａ工况外，其它工况时喷流引射对输出光束质量影响很小。因此引射式气动窗口可以保证输出高质量的光束
The influence of the ejection jet of the ejector-type aerodynamic window on the quality of the output beam is experimentally studied. The parameters of the aerodynamic window at different throat sizes of the ejector nozzle and the stagnation pressure of different ejecta jets are given, including : Strehl intensity ratio, wave aberration maximum, wavefront shape, root mean square value, and modulation transfer function. Experiments show that, except for throat size of injection nozzle dH = 2.5mm and ejection jet stagnation pressure of 0.5MPa, jet injection has little effect on output beam quality under other working conditions. Therefore, the introduction of pneumatic window can ensure the output of high-quality light beam