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Application of compact laser-driven accelerator X-ray sources for industrial imaging

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Author(s)

  • J. N. Gruse
  • M. J.V. Streeter
  • C. Thornton
  • C. D. Armstrong
  • C. D. Baird
  • N. Bourgeois
  • S. Cipiccia
  • O. J. Finlay
  • Y. Katzir
  • N. C. Lopes
  • S. P.D. Mangles
  • Z. Najmudin
  • D. Neely
  • L. R. Pickard
  • K. D. Potter
  • P. P. Rajeev
  • D. R. Rusby
  • C. I.D. Underwood
  • J. M. Warnett
  • M. A. Williams
  • J. C. Wood
  • C. M. Brenner
  • D. R. Symes

Department/unit(s)

Publication details

JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
DateAccepted/In press - 13 Jul 2020
DateE-pub ahead of print (current) - 16 Jul 2020
DatePublished - 11 Dec 2020
Volume983
Number of pages7
Early online date16/07/20
Original languageEnglish

Abstract

X-rays generated by betatron oscillations of electrons in a laser-driven plasma accelerator were characterised and applied to imaging industrial samples. With a 125TW laser, a low divergence beam with 5.2±1.7 × 107photonsmrad−2 per pulse was produced with a synchrotron spectrum with a critical energy of 14.6±1.3keV. Radiographs were obtained of a metrology test sample, battery electrodes, and a damage site in a composite material. These results demonstrate the suitability of the source for non-destructive evaluation applications. The potential for industrial implementation of plasma accelerators is discussed.

    Research areas

  • Betatron radiation, Femto-second X-ray imaging, LPWA, Novel industrial X-ray imaging, Radiographs

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