Multiharmonic Interactions of Longitudinal Waves in Amplification Section of Superheterodyne Free Electron Laser
| Authors | A.V. Lysenko , S.S.Ilin |
| Affiliations |
Sumy State University, 2, Rymsky-Korsakov St., 40007 Sumy, Ukraine |
| Е-mail | o.lysenko@mss.sumdu.edu.ua |
| Issue | Volume 14, Year 2022, Number 5 |
| Dates | Received 15 August 2022; revised manuscript received 21 October 2022; published online 28 October 2022 |
| Citation | A.V. Lysenko, S.S.Ilin, J. Nano- Electron. Phys. 14 No 5, 05006 (2022) |
| DOI | https://doi.org/10.21272/jnep.14(5).05006 |
| PACS Number(s) | 41.60.Cr, 52.59.Ye |
| Keywords | Superheterodyne free electron lasers, Space charge waves, Three-wave parametric interactions, Mulriharmonic interactions, Plural resonances, Generation of an additional pump electric field. . |
| Annotation |
This leads to an increase in the resulting pump electric field in the system and, therefore, to a significant increase in the growth increments of all harmonics. We demonstrate that the saturation length of SCWs decreases because of generating an additional electric field, which allows engineers to reduce the device dimensions. We show that the effect of the generation of an additional electric field does not destroy the SCW's amplitude spectrum in the process of its amplification along the saturation length. Thus, we propose to use the studied systems for multiharmonic parametric superheterodyne FELs to amplify multiharmonic signals without distorting their amplitude spectra. |
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List of References |
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