Rights statement: Copyright 2020 American Institute of Physics. The following article appeared in Applied Physics Letters, 118, 2021 and may be found at https://doi.org/10.1063/5.0041391 This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Dispersion in dielectric-lined waveguides designed for terahertz-driven deflection of electron beams
AU - Georgiadis, V.
AU - Healy, A.L.
AU - Hibberd, M. T.
AU - Burt, Graeme
AU - Jamison, Steven
AU - Graham, D.M.
N1 - Copyright 2020 American Institute of Physics. The following article appeared in Applied Physics Letters, 118, 2021 and may be found at https://doi.org/10.1063/5.0041391 This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
PY - 2021/4/30
Y1 - 2021/4/30
N2 - We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase velocity matching with co-propagating electron bunches.The phase-matching capability was experimentally confirmed through time-frequency analysis of the broadband coherent THz transmission measured by electro-optic sampling. The analysis determined both the frequency dependent propagation constants in the electron interaction region, and the propagation characteristics of the integrated THz tapered coupler.
AB - We have developed dielectric-lined rectangular waveguide structures for terahertz (THz)-driven ultrafast deflection of 100 keV electron beams. The structures were designed to achieve THz phase velocity matching with co-propagating electron bunches.The phase-matching capability was experimentally confirmed through time-frequency analysis of the broadband coherent THz transmission measured by electro-optic sampling. The analysis determined both the frequency dependent propagation constants in the electron interaction region, and the propagation characteristics of the integrated THz tapered coupler.
KW - Electron beams
KW - Wave propagation
KW - Electro-optics
KW - Time-frequency analysis
KW - Terahertz radiation
KW - Waveguides
U2 - 10.1063/5.0041391
DO - 10.1063/5.0041391
M3 - Journal article
VL - 118
JO - Applied Physics Letters
JF - Applied Physics Letters
SN - 0003-6951
IS - 14
M1 - 144102
ER -