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Terahertz Cherenkov radiation induced by a self-modulated electron beam in plasma wakefield.
- Source :
-
AIP Advances . Feb2019, Vol. 9 Issue 2, pN.PAG-N.PAG. 4p. - Publication Year :
- 2019
-
Abstract
- In this paper, a novel scheme of generating terahertz radiation is proposed, which considers a relativistic electron beam being modulated by its self-excited plasma wakefield in a plasma-filled slow-wave structure (SWS). Both the dispersion relation and the particle-in-cell simulation show that the self-modulation of the beam can act as a mode-selection method to excite the high-harmonics of the SWS and generate terahertz electromagnetic radiation. The present work gives a new thought for researching high-power and tunable terahertz sources. [ABSTRACT FROM AUTHOR]
- Subjects :
- *CHERENKOV radiation
*ELECTRON beams
*PLASMA gases
Subjects
Details
- Language :
- English
- ISSN :
- 21583226
- Volume :
- 9
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- AIP Advances
- Publication Type :
- Academic Journal
- Accession number :
- 135018829
- Full Text :
- https://doi.org/10.1063/1.5047253