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通过与激光彩虹全息术的比较，指出可以通过记录象面复合虹全息图的方法来制造这种衍射元件．给出了设计这种衍射元件的一种新方法和有关的公式，通过计算基元全息图确定部分像素衍射屏上部分象素结构的光栅刻划参数。给出验证其有效性的设计实例。
By comparison with laser rainbow holography, it is pointed out that this diffraction element can be fabricated by recording the image-plane composite rainbow hologram. A new method and related formula for designing such a diffraction element are given. The grating patterning parameters of partial pixel structures on the partial pixel diffraction screen are determined by calculating elementary holograms. Design examples to verify its effectiveness are given.