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Edge-enhancement fourier transform X-ray microscopy using a Laguerre-Gaussian zoneplate

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Abstract

Efficient techniques to achieve isotropic edge enhancement in optics involve applying a radial Hilbert, Laguerre-Gaussian, or differentiating filter on the object spectrum. We demonstrate a simple setup for isotropic edge-enhancement in soft-X-ray microscopy, using a single Laguerre-Gaussian zone plate (LGZP). Since the LGZP acts as a beam-splitter, diffraction efficiency problems usually associated with X-ray microscopy optics are not present in this system. As numerically demonstrated, the setup can detect optical path differences as small as λ/50 with high contrast.

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Author notes

  1. Nándor Bokor

    Present address: Chemical Resources Laboratory, Tokyo Institute of Technology, Nagatsuta-cho, Midori-ku, Yokohama, 226-8503, Japan

Authors and Affiliations

  1. Department of Physics, Budapest University of Technology and Economics, Budafoki u. 8, Budapest, 1111, Hungary

    Nándor Bokor

  2. International Christian University, 3-10-2 Osawa, Mitaka, Tokyo, 181-8285, Japan

    Andrew Domondon

  3. Committee on Conceptual and Historical Studies of Science, University of Chicago, 1126 East 59th St., Room 205, Chicago, IL, 60637, USA

    Andrew Domondon

  4. PRESTO “Life Phenomena and Measurement Analysis” Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan

    Yoshinori Iketaki

  5. Olympus Corporation, 2-3 Kuboyama-cho, Hachioji, Tokyo, 192-8512, Japan

    Yoshinori Iketaki

Authors
  1. Nándor Bokor
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  2. Andrew Domondon
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  3. Yoshinori Iketaki
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Correspondence to Nándor Bokor.

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Bokor, N., Domondon, A. & Iketaki, Y. Edge-enhancement fourier transform X-ray microscopy using a Laguerre-Gaussian zoneplate. OPT REV 17, 79–83 (2010). https://doi.org/10.1007/s10043-010-0014-7

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  • DOI: https://doi.org/10.1007/s10043-010-0014-7

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