Dammann n. 达曼
- Using digital mask technology, 5×5 Dammann grating, eight levels blazed grating, and eight levels Fresnel lens are made successfully.
利用该技术成功制作了5×5达曼光栅、8台阶闪耀光栅和菲涅尔透镜。 - The even sampling coding schemes for pixellated grating method is adopted in optimizing design to overcome the disadvantage of Dammann grating in design 2D output patterns.
为了克服达曼光栅在二维设计上的局限性,采取均匀采样的矩形孔径编码方式进行优化设计。
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