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Figure 1
(a) Structure of a depth-graded optical element. (b) Spectral reflectance of a periodic (dark) and depth-graded (light) multilayer mirror in the case of a parallel polychromatic beam at a grazing angle of 0.32°. |
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Figure 1
(a) Structure of a depth-graded optical element. (b) Spectral reflectance of a periodic (dark) and depth-graded (light) multilayer mirror in the case of a parallel polychromatic beam at a grazing angle of 0.32°. |