Design of a megawatt superradiant terahertz source for FELiChEM

Author:

Xia M.,Yang N.,Xu Y.,Zhao Z.,Li H.

Abstract

Abstract FELiChEM is an infrared free electron laser user facility built at the University of Science and Technology of China (USTC). It consists of two free electron laser oscillators which produce mid-infrared and far-infrared lasers covering the spectral range of 2–200 μm at current stage. In this paper, we propose a new operation mode of a megawatt (MW) terahertz (THz) superradiance free electron laser (FEL) for FELiChEM. Start-to-end (S2E) simulations have been carried out, in which the three-dimension particle-in-cell (PIC) code PUFFIN is used for the generation of the THz superradiance. Simulation results demonstrate that this superradiant FEL can provide 100–1000 μm laser with MW-class peak power from a 1.2 meter single-pass undulator when the electron energy is around 15 MeV.

Publisher

IOP Publishing

Subject

Mathematical Physics,Instrumentation

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