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

K Lekomtsev,P Karataev,A.A Tishchenko,J Urakawa

doi:10.1016/j.nimb.2015.02.056

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

K Lekomtsev, P Karataev + Show 2 more

https://doi.org/10.1016/j.nimb.2015.02.056

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Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms	Publication Date: Mar 2, 2015
Citations: 7

Affiliation: High Energy Accelerator Research Organization, Royal Holloway University of London, Moscow Engineering Physics Institute

#Smith–Purcell Radiation #Vacuum Gaps + Show 8 more

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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.

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