建立了氙灯辐射光谱、求解感容(LC)供电网络电路和研究泵浦动力学过程中粒子数反转的模拟计算程序,并根据国内外的实验和计算结果进行了校核。氙灯单位侧面积上的输入功率比电流密度能更好地描述氙灯的工作特性。计算结果还表明:当单位侧面积上的输入功率增加时氙灯的光谱效率下降。在似稳态条件下当输入功率不变时,不同直径的氙灯在泵浦区域内的辐射光谱和光谱效率几乎不变;电流密度不变时,氙灯的光谱效率和电-光转换效率随直径的增大而减小;泵浦宽度相同时,梯形泵浦的峰值电流比单级感容网络小,具有较高的光效;泵浦形状相同时,适当减小泵浦的宽度可提高泵浦效率,脉冲宽度减小10%,泵浦效率提高5%,与实验结果是一致的。

A model to predict the xenon flashlamp output spectrum, LC net circuit and inversion quantity during the pump has been established. The model has been examined by calculated and experimental results. The input power per unit wall area is more useful to describe the output spectra of flashlamp than current density which is used by previous studies. The spectral efficiency of flashlamp will fall as the input power is increased. It is concluded that the instantaneous output spectra and radiant efficiencies of flashllamp with different bore diameters are nearly identical at quasi stationary conditions compared with that at the same input power per unit wall area of the bore. It is also shown that (1) spectral efficiency and radiant efficiency of flashlamp will decline at the same current density as the bore diameter of flashlamp is increased, (2) peak current density of step line pump equals to 90 percent of one net circuit at the same pump width and so with higher efficiency, (3) inversion efficiency will adds 5 percent when pump width reduces 10 percent, which is good agreement with experiment.