| 摘要 |
[Object] To provide a Fresnel zone plate having a complex irradiation function capable of improving resolution even when the outermost opaque band width cannot be reduced and an X-ray microscope using the Fresnel zone plate. [Solution] A Fresnel zone plate 1 having a complex irradiation function according to the present invention has opaque bands 3 and transparent bands 4 arranged alternately in the radial direction from the center on a flat transparent substrate 2, and a transmission window 7 formed such that a portion of a plane wave vertically applied onto the upper surface vertically enters directly a sample 6 disposed below the Fresnel zone plate 1.
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