A two-channel relativistic backward-wave generator with 8-mm range, controllable phase difference, and channel power of 230 MW |
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| Authors: | A A El’chaninov A I Klimov I V Romanchenko V V Rostov M S Pedos S N Rukin K A Sharypov V G Shpak S A Shunailov M R Ul’maskulov M I Yalandin |
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| Affiliation: | 1. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, Tomsk, 634055, Russia
2. Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620016, Russia
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| Abstract: | The coherent composition of the wave beams of two relativistic nanosecond backward-wave tubes (BWTs) with an 8-mm range and peak power in each channel of up to 230 MW is implemented. A specific feature of this experiment was power supply of explosive-emission cathodes by split pulses supplied by a completely solid-phase SOS modulator with reduced amplitude scatter. The voltage growth rate was increased compared to previous experiments, which made it possible to transition to the region of weaker magnetic fields ～2 T, which was less than cyclotron resonance field, while retaining stable emission of the electron beams. As a result, a standard deviation of phase scatter between the channels of 0.5 ps was found on the time scale. |
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