Wavefield characterization of nearly diffraction-limited focused hard x-ray beam with size less than 10 nm

Takashi Kimura, Hidekazu Mimura, Soichiro Handa, Hirokatsu Yumoto, Hikaru Yokoyama, Shota Imai, Satoshi Matsuyama, Yasuhisa Sano, Kenji Tamasaku, Yoshiki Komura, Yoshinori Nishino, Makina Yabashi, Tetsuya Ishikawa, Kazuto Yamauchi

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

In situ wavefront compensation is a promising method to realize a focus size of only a few nanometers for x-ray beams. However, precise compensation requires evaluation of the wavefront with an accuracy much shorter than the wavelength. Here, we characterized a one-dimensionally focused beam with a width of 7 nm at 20 keV using a multilayer mirror. We demonstrate that the wavefront can be determined precisely from multiple intensity profiles measured around the beamwaist. We compare the phase profiles recovered from intensity profiles measured under the same mirror condition but with three different aperture sizes and find that the accuracy of phase retrieval is as small as 12.

Original languageEnglish
Article number123704
JournalReview of Scientific Instruments
Volume81
Issue number12
DOIs
Publication statusPublished - Dec 1 2010
Externally publishedYes

Fingerprint

Wavefronts
Diffraction
X rays
Mirrors
profiles
diffraction
mirrors
x rays
retrieval
Multilayers
apertures
Wavelength
evaluation
wavelengths
Compensation and Redress

All Science Journal Classification (ASJC) codes

  • Instrumentation

Cite this

Wavefield characterization of nearly diffraction-limited focused hard x-ray beam with size less than 10 nm. / Kimura, Takashi; Mimura, Hidekazu; Handa, Soichiro; Yumoto, Hirokatsu; Yokoyama, Hikaru; Imai, Shota; Matsuyama, Satoshi; Sano, Yasuhisa; Tamasaku, Kenji; Komura, Yoshiki; Nishino, Yoshinori; Yabashi, Makina; Ishikawa, Tetsuya; Yamauchi, Kazuto.

In: Review of Scientific Instruments, Vol. 81, No. 12, 123704, 01.12.2010.

Research output: Contribution to journalArticle

Kimura, T, Mimura, H, Handa, S, Yumoto, H, Yokoyama, H, Imai, S, Matsuyama, S, Sano, Y, Tamasaku, K, Komura, Y, Nishino, Y, Yabashi, M, Ishikawa, T & Yamauchi, K 2010, 'Wavefield characterization of nearly diffraction-limited focused hard x-ray beam with size less than 10 nm', Review of Scientific Instruments, vol. 81, no. 12, 123704. https://doi.org/10.1063/1.3509384
Kimura, Takashi ; Mimura, Hidekazu ; Handa, Soichiro ; Yumoto, Hirokatsu ; Yokoyama, Hikaru ; Imai, Shota ; Matsuyama, Satoshi ; Sano, Yasuhisa ; Tamasaku, Kenji ; Komura, Yoshiki ; Nishino, Yoshinori ; Yabashi, Makina ; Ishikawa, Tetsuya ; Yamauchi, Kazuto. / Wavefield characterization of nearly diffraction-limited focused hard x-ray beam with size less than 10 nm. In: Review of Scientific Instruments. 2010 ; Vol. 81, No. 12.
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AU - Matsuyama, Satoshi

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