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散射板是散射板干涉条仪的最重要元件。本文从干涉条纹对比角度来分析散射板的影响,由此可确定散射板反转对称误差及口径的容限。
Diffusers are the most important components of the diffuser interferometer. In this paper, the influence of diffuser is analyzed from the contrast of interference fringes, so the symmetry error and diameter tolerance of diffuser can be determined.