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Particles 2018, 1(1), 267-278; https://doi.org/10.3390/particles1010021

Design of a Pre-Bunched THz Free Electron Laser

1
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
2
Hefei National Laboratory For Physical Sciences At The Microscale, University of Science and Technology of China, Hefei 230026, China
*
Authors to whom correspondence should be addressed.
Received: 30 October 2018 / Revised: 12 November 2018 / Accepted: 14 November 2018 / Published: 19 November 2018
(This article belongs to the Special Issue Superradiances from Ultra Short Electron Bunch Beam)
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PDF [1907 KB, uploaded 19 November 2018]
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Abstract

Terahertz (THz) radiation has attracted much attention in new scientific and industrial applications. There has been significant recent progress in generating THz with accelerators. To investigate the collective behavior of electron dynamics, we have proposed a new high throughput material characterization system, which supplies a multiple light source. The system includes a pre-bunched THz free electron laser (FEL), which is a high-power narrow-band THz source with a wide tuning range of frequency. The physical design with the main components of the facility is introduced, and the simulation results are illustrated. Radiation of 0.5–3.0 THz is obtained by the fundamental wave of the pre-bunched beam, and radiation covering 3.0–5.0 THz is realized by second harmonic generation. As the simulation shows, intense THz radiation could be achieved in a frequency from 0.5–5.0 THz, with a peak power of several megawatts (MWs) and a bandwidth of a few percent. View Full-Text
Keywords: terahertz free electron laser; pre-bunched electron beam; broad frequency range; harmonic generation; energy spread compensation terahertz free electron laser; pre-bunched electron beam; broad frequency range; harmonic generation; energy spread compensation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Huang, R.; Li, W.; Zhao, Z.; Li, H.; Wang, J.; Ma, T.; Huang, Q.; He, Z.; Jia, Q.; Wang, L.; Lu, Y. Design of a Pre-Bunched THz Free Electron Laser. Particles 2018, 1, 267-278.

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