Tritium depth profile in matter using an imaging plate

Hiroko Ohuchi-Yoshida, Yuji Hatano, Yasushi Kino, Yasuhiro Kondo

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


A method to detect tritium non-destructively in regions deeper than the escape depth of beta rays is being developed using bremsstrahlung induced by beta rays with an imaging plate (IP). An IP made of europium-doped BaFBr(I), a photostimulated luminescence (PSL) material, is a two-dimensional radiation sensor. The bremsstrahlung energy spectrum is a continuum with photon energies, varying based on the atomic number and thickness of the target (or absorbing) material. When tritium migrates into matter, the bremsstrahlung energy spectrum distribution would change. The PSL intensity of the IP is affected by this energy spectrum variation. In order to quantify the amount of tritium in deeper regions with the IP technique, a tritium depth profile is required. In this study, a new method of obtaining a tritium depth profileusing the combined technique of the IP and thin absorbers is presented.

Original languageEnglish
Pages (from-to)423-426
Number of pages4
JournalFusion Engineering and Design
Issue number5-6
Publication statusPublished - 2012 Aug


  • Absorber
  • Bremsstrahlung X-rays
  • Depth profile
  • Imaging plate
  • Non-destructive measurement
  • Tritium

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering


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