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Ayzenshtat, G.I.

Paper Title Page
MOLP17

 The Use Of Betatron Gamma-Beam For Digital Radiographic Technique 

  • S.A.Gorokhov, M.K.Polkovnikov, Y.V.Rodnov, A.P.Vorobiev, R.E. Rydenko
    Institute for High Energy Physics, Protvino, Russia
  • V.V.Kashkovskiy, A.P.Potylitsyn, A.R.Wagner
    Tomsk Polytechnic University, Tomsk, Russia
  • G.I. Ayzenshtat, O.P. Tolbanov
    Research Institute for Semiconductor Devices, Tomsk, Russia

The problem of creation of the most effective high intensity x-ray radiation sources for a digital diagnostics in medicine and other fields remains actual till now. In the work, experimental results on design of digital radiographic set-up based on the bremsstrahlung source of betatron MB-6 are presented. Betatron has following parameters: electron energy is 6 MeV, beam current is 100 nA, frequency is 50 Hz, dose rate on bunch axis is 35mG/minute at distance 1m, thickness of tantalum target is 0.6 mm. The set of 640 gallium arsenide detectors with size 0.2õ0.2õ2 mm3 with sensitivity in photon energy range up to 200 keV was used. The digital images of investigated object have been received by scanning technique. The use of thin betatron target allows avoiding self-absorption of bremsstrahlung photons in target. It will lead to increase in intensity of registered radiation by the detector and reduce an exposition time to achieve high level image quality and pattern contrast.

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