S-band linac-based X-ray source with π/2-mode electron linac

Abhay Deshpande*, Sakae Araki, Tanuja Dixit, Masafumi Fukuda, R. Krishnan, Sanjay Pethe, Kazuyuki Sakaue, Nobuhiro Terunuma, Junji Urakawa, Masakazu Washio

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The activities with the compact X-ray source are attracting more attention, particularly for the applications of the source in medical fields. We propose the fabrication of a compact X-ray source using the SAMEER electron linear accelerator and the KEK laser undulator X-ray source (LUCX) technologies. The linac developed at SAMEER is a standing wave side-coupled S-band linac operating in the π/2 mode. In the proposed system, a photocathode RF gun will inject bunches of electrons in the linac to accelerate and achieve a high-energy, low-emittance beam. This beam will then interact with the laser in the laser cavity to produce X-rays of a type well suited for various applications. The side-coupled structure will make the system more compact, and the π/2 mode of operation will enable a high repetition rate operation, which will help to increase the X-ray yield.

Original languageEnglish
Pages (from-to)S62-S66
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1 SUPPL.
Publication statusPublished - 2011 May 1


  • Coupled cavity linac
  • Inverse compton X-ray source
  • Photocathode RF gun

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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