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The design and experimental results of a X-band relativistic high-power backward-wave oscillator driven by a 1 MV linear induction accelerator is presented. The design includes a linear numerical analysis and the simulations using the 2_-dimension electromagnetic particle-in-cell MAGIC code. Peak output power of about 210 MW was generated with frequency of 9.8 GHz and duration time of 50 ns. This...
An X-band FEL study with the beam energy of 2.0 MeV are undergoing now. In order to get a low beam emittance at the beam current of 1kA, the diode design of 1kA in JAERI Large current Accelerator Induction Linac is carried out by EGUN code. To avoid electric discharge on the upper part of wehnelt electrode, the diode chamber and the wehnelt radius are designed under the radial electric field Er of...
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