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本文从理论上计算了真空三点法激光准直系统中与各测定对应的接收端的能量分布及光斑尺寸。现场实测结果表明,理论值和实测符合得比较好。还记录了真空准直系统中某些测点在不同真空度下所对应的接收面上的能量和光斑位置的变化。
In this paper, the energy distribution and spot size of the receiving end corresponding to each measurement in the vacuum three-point laser collimation system are calculated theoretically. Field measurements show that the theoretical value and measured in good agreement. Also recorded in the vacuum collimation system at some measuring points at different degrees of vacuum corresponding receiving surface energy and spot position changes.