Interaction Between Electron Beam and Electromagnetic Field in Terahertz Multiwave Cherenkov Generator with Diffraction Reflector

Using 2.5-D hybrid numerical electromagnetics code, the multiwave Cherenkov generator in terahertz frequency range (364–367 GHz) is simulated in the approximation of the absence of thermal power losses. 230 MW radiation pulses are obtained in the synchronization mode of three longitudinal resonances...

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Bibliographic Details
Published in:Russian physics journal 2023-09, Vol.66 (5), p.567-572
Main Authors: Chazov, V. A., Deichuly, M. P., Koshelev, V. I., Petkun, A. A.
Format: Article
Language:English
Subjects:
Condensed Matter Physics
Electromagnetic fields
Electron beams
Frequency ranges
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Nanosecond pulses
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Synchronism
Terahertz frequencies
Theoretical
Waveguides
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Summary:Using 2.5-D hybrid numerical electromagnetics code, the multiwave Cherenkov generator in terahertz frequency range (364–367 GHz) is simulated in the approximation of the absence of thermal power losses. 230 MW radiation pulses are obtained in the synchronization mode of three longitudinal resonances. A selfmodulation oscillatory mode of high-power (~100 MW) radiation with subnanosecond pulse length is identified in the absence of resonant synchronization.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-023-02976-3