Longitudinal Magnetic Field Effect on Wave Dynamics in Multiharmonic Superheterodyne FEL of Dopplertron Type with Helical Electron Beam
| Authors | A.V. Lysenko , G.A. Oleksiienko , I.I. Volk , M.A. Korovai |
| Affiliations | 1Sumy State University, 2, Rimsky-Korsakov St., 40007 Sumy, Ukraine |
| Е-mail | lysenko_@ukr.net |
| Issue | Volume 4, Year 2012, Number 3 |
| Dates | Received 25 September 2019; revised manuscript received December 2019; published online 13 December 2019 |
| Citation | A.V. Lysenko[footnoteRef:], G.A. Oleksiienko, I.I. Volk, M.A. Korovai, J. Nano- Electron. Phys. 4 No 3, 03001 (2012) |
| DOI | https://doi.org/10.21272/jnep.11(6).06030 |
| PACS Number(s) | 41.60.Cr, 52.59.Ye |
| Keywords | Superheterodyne free-electron laser, Plasma-beam instability, Parametric resonance, Helical relativistic electron beam, Focusing magnetic field. |
| Annotation | . We have defined the minimal value of the magnetic field strength (critical value of the magnetic field strength) for the amplification regime in which the right-polarized electromagnetic wave is used as pumping. It is found that the investigated effect is related to the dependence of the conditions of the three-wave parametric resonance of the signal, pumping and the space charge wave on the longitudinal magnetic field strength. The growth rate related to the abovementioned three-wave resonant interaction depends substantially on the focusing magnetic field strength. We have demonstrated that plasma-beam superheterodyne free-electron laser of dopplertron type with a helical relativistic electron beam is able to form powerful coherent electromagnetic radiation in the millimeter wavelength band. |
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List of References English version of article |
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