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@inproceedings{yadav:ipac2021-mopab147,
author = {M. Yadav and G. Andonian and C.E. Hansel and W.J. Lynn and N. Majernik and B. Naranjo and J.B. Rosenzweig and C.P. Welsch and O. Williams},
% author = {M. Yadav and G. Andonian and C.E. Hansel and W.J. Lynn and N. Majernik and B. Naranjo and others},
% author = {M. Yadav and others},
title = {{Efficient, High Power Terahertz Radiation Outcoupling From a Beam Driven Dielectric Wakefield Accelerator}},
booktitle = {Proc. IPAC'21},
pages = {513--516},
eid = {MOPAB147},
language = {english},
keywords = {radiation, wakefield, acceleration, electron, 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-MOPAB147},
url = {https://jacow.org/ipac2021/papers/mopab147.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB147},
abstract = {{Wakefields in dielectric structures are a useful tool for beam diagnostics and manipulation with applications including acceleration, shaping, chirping, and THz radiation generation. It is possible to use the produced THz radiation to diagnose the fields produced during the DWA interaction but, to do so, it is necessary to effectively out-couple this radiation to free space for transport to diagnostics such as a bolometer or interferometer. To this end, simulations have been conducted using CST Studio for a 10 GeV beam with FACET-II parameters in a slab-symmetric, dielectric waveguide. Various termination geometries were studied including flat cuts, metal horns, and the "Vlasov antenna". Simulations indicate that the Vlasov antenna geometry is optimal and detailed studies were conducted on a variety of dielectrics including quartz, diamond, and silicon. Multiple modes were excited and coherent Cherenkov radiation (CCR) was computationally generated for both symmetric and asymmetric beams. Finally, we include witness beams to study transport and acceleration dynamics as well as the achievable field gradients.}},
}