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@inproceedings{simakov:ipac2021-tupab239,
author = {E.S. Simakov and A.V. Tyukhtin},
title = {{Radiation of a Charged Particle Bunch Moving Along a Deep Corrugated Surface with a Small Period}},
booktitle = {Proc. IPAC'21},
pages = {1999--2001},
eid = {TUPAB239},
language = {english},
keywords = {radiation, ECR, electromagnetic-fields, impedance, GUI},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-TUPAB239},
url = {https://jacow.org/ipac2021/papers/tupab239.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB239},
abstract = {{We investigate the electromagnetic radiation of a bunch moving along a corrugated conductive surface. It is assumed that wavelengths under consideration are much more than the period of the corrugation. In this case, the corrugated structure can be replaced with a smooth surface on which so-called equivalent boundary conditions (EBC) are fulfilled*. In fact, we deal with anisotropic surface characterized by certain matrix impedance. Here, we consider the case of deep corrugation, i.e. we assume that the depth of the structure is much more than its period (the case of shallow corrugation was studied earlier**). Using the EBC we obtain electromagnetic field components which are presented in form of spectral integrals. It is shown that the bunch generates surface waves propagating in the plane of the structure, whereas volume radiation is absent at the frequencies under consideration. We also consider the energy losses of the bunch. Typical dependences of a spectral density of the energy losses on corrugation parameters are obtained and analyzed. It is demonstrated that the features of the surface waves can be used for the bunch diagnostics.}},
}