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提出了一种新型的衍射光学元件（ＤＯＥ）一—位相型零轴辐射波带片．用计算机模拟和实验分析验证了该元件的衍射特性．这种元件能实现光轴上任意点光强为零，可应用于高精度光学准直．
A new type of diffractive optical element (DOE) one-phase phase type zero-axis radiation zone plate is proposed. The diffraction characteristics of the device were verified by computer simulation and experimental analysis. This element can achieve zero optical intensity at any point, can be applied to high-precision optical collimation.