2022/04/01 by E. M. Totmeninov, V. Yu. Konev, A. I. Klimov +2 · 7 citations
Engineering · Physics and Astronomy · #Atomic physics #Backward-wave oscillator #Cathode ray #Cherenkov radiation #Electron #Full width at half maximum #Gyrotron and Vacuum Electronics Research #Laser #Microwave #Nanosecond #Optics #Physics #Pulse (music) #Pulse duration #Pulsed Power Technology Applications #Superradiance #Terahertz technology and applications #Ultrashort pulse #Vircator
paper · pdf · doi:10.1134/s0021364022100356
published in Journal of Experimental and Theoretical Physics Letters 115(8), 444-448 (Pleiades Publishing)
openalex publication_date 2022/04/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/04
A periodic sequence of ultrashort superradiance pulses during the current pulse of an electron beam with a duration of about 40 ns has been generated in an experiment with a relativistic backward-wave oscillator with wave reflectors at the edges of the electron–wave interaction region. The pulse repetition period has been specified by the electron–wave feedback time and is 5.9 ns, which corresponds to the repetition frequency of 170 MHz at a FWHM duration of about 0.8 ns. The frequency of microwave oscillations is 10 GHz. The peak power of pulses is 0.8–1.3 GW. The corresponding conversion coefficients defined as the ratio of the peak power of the ultrashort microwave pulse to the power of the electron beam are 0.7–1.2.