FIELD: physics of charged particle beams, roentgen and deceleration radiation.
SUBSTANCE: proposed device that can be used in developing systems for Customs inspections of large-size goods and installations for X-ray control of thick-wall metal objects has electron beam injector, contact-type linear electron accelerator, conversion target, local radiation shield with radiation collimator, and power supply. Electron injector has thermionic cathode with mask made in the form of metal screen, and in addition it may have current-carrying coil for building up magnetic field around cathode. Linear electron accelerator has resonator made in the form of biperiodic chain of coupled cells where length of accelerating cells increases from accelerator origin to its end.
EFFECT: enhanced penetrating ability and power of source-generated radiation.
2 cl, 4 dwg
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