Helical differential X-ray phase-contrast computed tomography.

Research output: Contribution to journalArticle


We report on the first experimental results of helical differential phase-contrast computed tomography (helical DPC-CT) with a laboratory X-ray tube source and a Talbot-Lau grating interferometer. The results experimentally verify the feasibility of helical data acquisition and reconstruction in phase-contrast imaging, in analogy to its use in clinical CT systems. This allows fast and continuous volumetric scans for long objects with lengths exceeding the dimension of the detector. Since helical CT revolutionized the field of medical CT several years ago, we anticipate that this method will bring the same significant impact on the future medical and industrial applications of X-ray DPC-CT.


  • Jian Fu
  • Marian Willner
  • Liyuan Chen
  • Renbo Tan
  • Klaus Achterhold
  • Martin Bech
  • Julia Herzen
  • Danays Kunka
  • Juergen Mohr
  • Franz Pfeiffer
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Radiology, Nuclear Medicine and Medical Imaging
Original languageEnglish
Pages (from-to)374-379
JournalPhysica Medica
Issue number3
Publication statusPublished - 2014
Publication categoryResearch