Efficiency of terahertz undulator radiation from short electron bunches moving in the field of permanently magnetized helices

N. Balal; V. L. Bratman; YU Lurie; E. Magory

doi:10.1063/5.0060778

Efficiency of terahertz undulator radiation from short electron bunches moving in the field of permanently magnetized helices

N. Balal, V. L. Bratman, YU Lurie, E. Magory

Department of Electrical and Electronics Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

The motion and radiation of short dense bunches of ultrarelativistic electrons produced by laser-driven accelerators and moving in an undulator in the form of magnetized helices have been studied. Simulations demonstrate the possibility of generating wideband THz pulses with energies of hundreds of microjoules and relatively high efficiency in regimes close to the group synchronism of electrons with the waveguide mode.

Original language	English
Article number	093301
Journal	Physics of Plasmas
Volume	28
Issue number	9
DOIs	https://doi.org/10.1063/5.0060778
State	Published - 1 Sep 2021

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10.1063/5.0060778

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abstract = "The motion and radiation of short dense bunches of ultrarelativistic electrons produced by laser-driven accelerators and moving in an undulator in the form of magnetized helices have been studied. Simulations demonstrate the possibility of generating wideband THz pulses with energies of hundreds of microjoules and relatively high efficiency in regimes close to the group synchronism of electrons with the waveguide mode.",

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Efficiency of terahertz undulator radiation from short electron bunches moving in the field of permanently magnetized helices

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