Subnanosecond in-line soft X-Ray holography using germanium laser in the 20 nm wavelength region

H. Daido, M. S. Schulz, K. Murai, R. Kodama, G. Yuan, J. Goto, K. A. Tanaka, Y. Kato, J. Nakai, K. Shinohara, T. Honda, I. Kodama, H. Iwasaki, T. Yoshinobu, M. Tsukamoto, M. Niibe, Y. Fukuda, D. Neely, A. MacPhee, G. Slark

研究成果: Article査読

10 被引用数 (Scopus)


Near-and far-field characteristics of a germanium soft x-ray laser at the wavelengths of 23.2–23.6 nm (J = 2-1 transitions) and 19.6 nm (J = 0-1 transition) are given for quantitative evaluation of the germanium laser for holographic applications. In-line Gabor holography of simple structured objects, such as thin opaque fibers and a standard electron microscope test specimen, is demonstrated. The holograms were recorded on PMMA (polymethyl methacrylate) photoresists and llford Q-plates. The holograms recorded on PMMA were retrieved with an atomic force microscope. The object image was reconstructed by numerical reconstruction with phase retrieval algorithm, resulting in a clear, ghost-free image with sharp edges which infer sub-μm resolution. Future directions for x-ray laser holography are briefly discussed.

ジャーナルJournal of X-Ray Science and Technology
出版ステータスPublished - 1995

ASJC Scopus subject areas

  • Radiation
  • Instrumentation
  • Radiology Nuclear Medicine and imaging
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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