Abstract
The LIU-2 induction accelerator is described. It is used as an injector for the developed large linear induction accelerator with a maximum electron beam energy of 20 MeV, which is intended for smallangle pulse X-ray tomography. Owing to the good quality and high current of the electron beam (2 kA), the injector is capable of operating as an independent X-ray source with an electron energy of 2 MeV, the beam diameter at the target of <2 mm, and a pulse duration of 200 ns. The total yield of the bremsstrahlung energy is 52.4 J and the fraction of quanta with energies of >1 MeV is ∼20% of the total energy yield. The spread of the radiation intensity in the solid angle of 10° is ±5%, and the absorbed dose at a distance of 1 m from the target is 32 × 10−3 Gy, which allows this source to be used with attenuation of 103–104 for exposure of available X-ray films. This type of system is characterized by a high transmission capability with a 0.5-mm maximum spatial resolution of X-ray images and can be used in the X-ray imaging technique when carrying out gas-dynamic testing of products with an optical thickness as great as 90 mm of lead equivalent.
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Original Russian Text © P.V. Logachev, G.I. Kuznetsov, A.A. Korepanov, A.V. Akimov, S.V. Shiyankov, O.A. Pavlov, D.A. Starostenko, G.A. Fat’kin, 2013, published in Pribory i Tekhnika Eksperimenta, 2013, No. 6, pp. 42–49.
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Logachev, P.V., Kuznetsov, G.I., Korepanov, A.A. et al. LIU-2 linear induction accelerator. Instrum Exp Tech 56, 672–679 (2013). https://doi.org/10.1134/S0020441213060195
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DOI: https://doi.org/10.1134/S0020441213060195