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  • Title: Hard-X-ray imaging optics based on four aspherical mirrors with 50 nm resolution.
    Author: Matsuyama S, Kidani N, Mimura H, Sano Y, Kohmura Y, Tamasaku K, Yabashi M, Ishikawa T, Yamauchi K.
    Journal: Opt Express; 2012 Apr 23; 20(9):10310-9. PubMed ID: 22535120.
    Abstract:
    Ultraprecise imaging optics, which consists of two sets of elliptical mirrors and hyperbolic mirrors aligned perpendicular to each other (i.e., advanced Kirkpatrick-Baez mirrrors), is developed to realize high-resolution and achromatic full-field hard-X-ray microscopy. Experiments to form a demagnified image (with horizontal and vertical demagnification factors of 385 and 210, respectively) are conducted to evaluate the optical system at an X-ray energy of 11.5 keV at SPring-8. Results show that the imaging system can form a demagnified image with nearly diffraction-limited resolutions of ~50 nm in the horizontal and vertical directions. The field of view is also experimentally estimated to be ~12 × ~14 μm(2) when used as a magnification imaging system.
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