A Prototype 1 Mev X-Band Linac for Aviation Cargo Inspection
2019
Aviation cargo Unit Load Device (ULD) containers are typically much smaller than standard shipping containers, with a volume of around 1m 3 . Standard 3 to 6MeV X-ray screening linacs have too much energy to obtain sucient contrast when inspecting ULD’s, hence a lower 1MeV linac is required. In order to obtain a small physical footprint, which can be adapted to mobile platform applications a compact design is required, hence X-band technology is the ideal solution. A prototype 1MeV linac cavity has been designed by Lancaster University, manufactured by Comeb (Italy) and tested at STFC Daresbury Laboratory using an e2v magnetron, modulator and electron gun. The cavity is a bi-periodic = 2 structure, with beam-pipe aperture coupling to simplify the manufacture at the expense of shunt impedance. The design, manufactureand testing ofthis linac structure is presented.
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