We present optimized start-to-end simulation results of the Cherenkov free electron laser using a simple configuration consisting of an RF gun, focusing solenoid and a dielectric-lined waveguide. For optimization of the system, the genetic optimization algorithm GIOTTO is applied to refine both the waveguide and accelerator variables. Assuming an initial beam energy of 4 MeV with a bunch charge of 300 pC, the optimized parameters produce energy outputs exceeding 20 µJ for a frequency of 100 GHz.
Peetermans et al. (Wed,) studied this question.