Focusing mirror for coherent hard X-rays

Kazuto Yamauchi, Hidekazu Mimura, Satoshi Matsuyama, Hirokatsu Yumoto, Takashi Kimura, Yukio Takahashi, Kenji Tamasaku, Tetsuya Ishikawa

研究成果: Chapter

5 被引用数 (Scopus)


The development of high-precision x-ray mirrors is described. Atomistic surface polishing technique, elastic emission machining (EEM), was developed more than 30 years ago. This chapter describes how the polishing technique was improved to successfully apply to the synchrotron radiation and XFEL mirrors. The key was actually the figure metrology. The metrology was dramatically advanced by using coherent x-rays at the 1-km beamline of SPring-8, where classical ray-tracing approach was no more valid so that wave-optical approach was developed. Various optical references were developed to improve the global surface figures of mirrors. Successful development of elliptical mirrors helped attaining less than 100 nm focal spot in the conventional beamlines using Kirkpatrick-Baez focusing configuration, reaching 7 nm at the 1-km beamline. The speckle-free mirrors and focusing mirrors were used in XFEL facilities. These mirrors have been applied for various types of scanning nano-probes, imaging system, and generation of high-intensity photon fields for nonlinear xray optical experiments.

ホスト出版物のタイトルSynchrotron Light Sources and Free-Electron Lasers
ホスト出版物のサブタイトルAccelerator Physics, Instrumentation and Science Applications
出版社Springer International Publishing
出版ステータスPublished - 2016 1 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)
  • 工学(全般)
  • 材料科学(全般)
  • 化学 (全般)
  • 生化学、遺伝学、分子生物学(全般)


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