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The results indicate that flat-top beam shaping and single-circle beam shaping at the focal plane can all be realized by using three-zone annular phase pupil filters.
模拟结果表明,利用三环相位光瞳滤波器,不仅可以在焦面上实现光强的平顶分布,而且还可以得到单环衍射光束。
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