Abstract:The compact terahertz (THz) radiation source based on Smith-Purcell (SP) effect has been expected to be the nextgeneration table-top THz free electron laser (THz-FEL). We have performed a numerical simulation of the generation of SP radiation at THz frequency under the condition of using the electron beam (e-beam) with high repetition THz frequency by simplified particle-in-cell finite difference-time domain (PIC-FDTD) method, and clarified that frequency of SP radiation can be tuned with pre-bunch frequency o… Show more
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