Refraction-enhanced tomosynthesis of a finger joint by X-ray dark-field imaging

Daisuke Shimao, Toshiyuki Kunisada, Hiroshi Sugiyama, Masami Ando

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)


A finger joint tomogram based on X-ray dark-field imaging (XDFI) was demonstrated using the simplest shift-and-add tomosynthesis algorithm. Raw XDFI image data for tomosynthesis were acquired in a total of 11 views through 10°, in increments of 1°, by rotating the object and detector synchronously. Incident X-ray energy was monochromatic 36.0 keV, derived from synchrotron radiation. The total dosage in acquiring 11 views for raw image data was equivalent to that of one XDFI image. A clear tomogram was obtained of a finger joint (including articular cartilage, which is invisible by conventional tomosynthesis) without an increase in X-ray dosage.

Original languageEnglish
Pages (from-to)L608-L610
JournalJapanese Journal of Applied Physics, Part 2: Letters
Issue number25-28
Publication statusPublished - Jul 13 2007


  • Articular cartilage
  • Laue analyzer
  • Shift-and-add
  • Synchrotron radiation
  • Tomosynthesis
  • X-ray dark-field imaging

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy (miscellaneous)
  • Physics and Astronomy(all)


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