Numerical analysis and experimental design of a 103 GHz Cherenkov maser

Phipps, A. R. and Maclachlan, A. J. and Robertson, C. W. and Konoplev, I. V. and Phelps, A. D R and Cross, A. W.; (2014) Numerical analysis and experimental design of a 103 GHz Cherenkov maser. In: 2014 39th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, USA, pp. 1-2. ISBN 9781479938773 (https://doi.org/10.1109/IRMMW-THz.2014.6956254)

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Abstract

Numerical FDTD and PiC simulations demonstrate the successful electron wave interaction in a Cherenkov maser utilizing a cylindrical 2D PSL as a mode selective cavity. Optimization of this structure's physical properties results in the design of a cavity with 16 longitudinal periods of 1.6 mm length, 7 azimuthal variations and an unperturbed inner radius of 4 mm. In numerical simulations this design produces an output power of 300 kW with 10 % efficiency at a frequency of 103.6 GHz.