A. A. Yel'chaninov, A. I. Klimov, O. B. Koval'chuk, G. A. Mesyats, I. V. Pegel, I. V. Romanchenko, V. V. Rostov, K. A. Sharypov, M. I. Yalandin, “Coherent summation of power of nanosecond relativistic microwave oscillators”, Zhurnal Tekhnicheskoi Fiziki, 2011, Volume 81, Issue 1,Pages <nobr>125

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Radiophysics

Coherent summation of power of nanosecond relativistic microwave oscillators

A. A. Yel'chaninov^a, A. I. Klimov^a, O. B. Koval'chuk^a, G. A. Mesyats^b, I. V. Pegel^a, I. V. Romanchenko^a, V. V. Rostov^a, K. A. Sharypov^c, M. I. Yalandin^c

^a Institute of High Current Electronics, Siberian Branch of the Russian Academy of Sciences, Tomsk
^b P. N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow
^c Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Ekaterinburg

Abstract: The possibility of developing a two-channel nanosecond relativistic microwave oscillator with a phase stability in each channel sufficient for coherent summation of their electromagnetic fields is demonstrated experimentally. In experiments, vacuum diodes of two independent superradiant backward wave oscillators operating in 10-GHz frequency range were connected to a common voltage source with a subnanosecond pulse rise time, which ensured the fixation of the initial phase of electromagnetic oscillations. The measured values of the phase difference jitter of the channel electromagnetic oscillations amount to several percent of the oscillation period.

Received: 30.04.2011