We present the results of the studies of a 100-megawatt active two-channel compressor of microwave pulses for the three-centimeter wavelength range. The compressors of the transit and reflector types are excited at the TE01 mode of a circular waveguide, and the energy is output by using resonance plasma switches. The channels of the compressors are connected to a microwave oscillator and a load via a special quasioptical 3-dB directional coupler with enhanced electric strength. The use of the quasioptical coupler allows one to ensure the decoupling of the input microwave line (by about 20 dB) and combine coherently the pulses compressed in each of the compressor channel. High-and low-power tests of the compressors have been performed and the wave phase in the compressed pulses has been measured. The pulses obtained for an incident power of 5 MW have a power of 40–53 MW, a duration of 40–60 ns, and a power gain greater than 10. The compression efficiency amounts to 55%. The stability and good reproducibility of the amplitude and frequency characteristics of the radiation from a two-channel compressor make it promising for use in the linear accelerators of charged particles.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 51, No. 8, pp. 660–674, August 2008.
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Vikharev, A.L., Gorbachev, A.M., Ivanov, O.A. et al. Two-channel 100-MW microwave compressor for the three-centimeter wavelength range. Radiophys Quantum El 51, 597–609 (2008). https://doi.org/10.1007/s11141-008-9065-z
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DOI: https://doi.org/10.1007/s11141-008-9065-z