研究表明干涉场中的相位鞍点以及涡旋点的位置与光束的离轴参数、束腰宽度、相位以及相对振幅有关。
It is shown that the positions of phase saddles and vortices depend on the off-axis parameter, beam width, phase and relative amplitude of beams.
通过实验对比发现，利用再现光场相位突变确定再现像聚焦位置的方法效果比较理想。
Through experiment comparison, the method for determining the position of the reconstructed image by using the phase change of the reconstructed optical field is ideal.
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