CST simulations of THz Smith–Purcell radiation from a lamellar grating with vacuum gaps

Konstantin Lekomtsev, Pavel Karataev, Alexey Tishchenko, Junji Urakawa

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Abstract

Smith–Purcell radiation (SPR) from a lamellar grating with vacuum gaps was calculated using Computer Simulation Technology (CST) Particle In Cell (PIC) solver. The shapes of the radiation distributions were compared with those of Resonant Diffraction Radiation theory. Study of calculation domain meshing was performed. Influence of a transverse bunch size on the calculation accuracy and an SPR intensity distribution was investigated. Dependencies of the SPR yield on Lorentz factor and grating strip depth were calculated and compared with previously reported theoretical and experimental studies.
Original languageEnglish
Pages (from-to)164–169
Number of pages6
JournalNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Volume355
Early online date2 Mar 2015
DOIs
Publication statusPublished - 15 Jul 2015

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