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A 0.1 THz 10 W clinotron is numerically and experimentally investigated for compact high-power terahertz radiation source. The output characteristics of the clinotron with the inclined sheet electron beam are examined by using the 3D particle-in-cell simulation code MAGIC and are compared with the measurements.
We analyzed a compact lens by using a modified analytical theory and three-dimensional particle-in-cell simulations. In a compact lens, in which the thin lens and paraxial trajectory approximations are not acceptable, an inhomogeneous electric field can be extended to the entire region of the object and the image spaces. Computer simulations of the current density and the electron beam temperature,...
100 GHz linear magnetron employing the ten-vane reentrant resonator is investigated by using a two-dimensional particle-in-cell simulation. The dynamics of electron beam, the time variation of electric energy in each vane, and the generated power density are examined when the injected current density is varied. The maximum power density is 180 mW/mm2 at 100 GHz when the current density of 80 A/cm2...
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