gan yan-qing, huang hua, lei lu-rong, et al. Experimental investigation on an S-band relativistic klystron oscillator[J]. High Power Laser and Particle Beams, 2008, 20.
Citation:
gan yan-qing, huang hua, lei lu-rong, et al. Experimental investigation on an S-band relativistic klystron oscillator[J]. High Power Laser and Particle Beams, 2008, 20.
gan yan-qing, huang hua, lei lu-rong, et al. Experimental investigation on an S-band relativistic klystron oscillator[J]. High Power Laser and Particle Beams, 2008, 20.
Citation:
gan yan-qing, huang hua, lei lu-rong, et al. Experimental investigation on an S-band relativistic klystron oscillator[J]. High Power Laser and Particle Beams, 2008, 20.
The modulation mechanism and RF extraction of an S-band relativistic klystron oscillator were studied via experiment. It is found that intense relativistic electron beams(IREBs) can generate intense current modulation when the IREBs drift through three pillboxes with high coupling. After bunching in the downstream the modulated IREBs can excite high power microwave in the triaxial cavity. The RKO has properties of short oscillating time, compact geometry and high beam-wave conversion efficiency. Using a 1 MV/13 kA/40 ns electron beam and leading magnetic field of 0.9 T, 3.5 GW radiated power was extracted in 20 ns FWHM pulses at 2.86 GHz. The beam-wave transition efficiency is 29%, and the instantaneous bandwidth is 2%. The radiated power is 3.4 GW with the efficiency of 26% when repetitiv
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