Monday, September 17, 2018

Abstract-Effect of Mode Transformation in THz Clinotron


Yurii S. Kovshov, Sergey S. Ponomarenko, Sergey S. Kishko, Alexander Likhachev, Alexander Danik, Lyudmila Mospan, Sergey Steshenko, Eduard M. Khutoryan, Alexei N. Kuleshov,

https://link.springer.com/article/10.1007/s10762-018-0534-y

Extension of the theory of a clinotron is developed by use of the scattering matrix of an oversized T-junction on the ends of a slow wave system. The matrix contains elements corresponding to the transformation of slow grating modes into fast ones and vice versa. Those fast waves with low ohmic losses provide strong resonant properties of a clinotron even in the case of strong attenuation of the surface mode. Results of the theoretical simulation are compared with experimental ones and obtained dependencies explain strong resonances in sub-THz clinotrons.

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