Multimode interaction and multiwave radiation of Cerenkov generators with overmoded slow-wave structures

Vladimir I. Koshelev; Michail P. Deichuly; Andrei A. Petkun

doi:10.1117/12.436928

15 August 2001 Multimode interaction and multiwave radiation of Cerenkov generators with overmoded slow-wave structures

Vladimir I. Koshelev, Michail P. Deichuly, Andrei A. Petkun

Proceedings Volume 4371, Intense Microwave Pulses VIII; (2001) https://doi.org/10.1117/12.436928
Event: Aerospace/Defense Sensing, Simulation, and Controls, 2001, Orlando, FL, United States

Abstract

A nonlinear time-domain hybrid code for Cerenkov generators with overmoded slow-wave structures has been developed in which the analytical representation of an axially symmetric electromagnetic field and particle-in-cell method for an electron beam was used. To present a summary electromagnetic field of the open resonator, the supplementary functions are used along with the high-Q functions corresponding to longitudinal modes. The code was used for numerical simulation of different regimes of the beam and field interaction near the (pi) -type oscillations of TM₀₁-mode in a one-sectional slow-wave structure. In the output radiation the main contribution is made by the modes TM₀₁ and TM₀₂. Calculation results are compared with the experimental data in the wavelength and generation efficiency.

Citation Download Citation

Vladimir I. Koshelev, Michail P. Deichuly, and Andrei A. Petkun "Multimode interaction and multiwave radiation of Cerenkov generators with overmoded slow-wave structures", Proc. SPIE 4371, Intense Microwave Pulses VIII, (15 August 2001); https://doi.org/10.1117/12.436928

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