Wideband Glide-Symmetric Slow-Wave Structure for Millimeter-Wave Sheet Beam TWTs
Plasma Physics
2025-05-30 v1
Abstract
We introduce a slow-wave structure (SWS) for a millimeter-wave sheet-beam traveling-wave tube (TWT) with wide bandwidth. The wideband and stable operation is enabled through the topological properties associated with glide-symmetry that close the bandgap at the -point and also make the on-axis interaction impedance negligible for the backward wave. This space harmonic structure is designed to operate in the -band over 55-68 GHz with synchronism to a 5.2 kV, 11 mA sheet electron beam that will be produced by a diamond field-emitter array.
Cite
@article{arxiv.2505.22927,
title = {Wideband Glide-Symmetric Slow-Wave Structure for Millimeter-Wave Sheet Beam TWTs},
author = {Robert Marosi and Muhammed Zuboraj and Filippo Capolino},
journal= {arXiv preprint arXiv:2505.22927},
year = {2025}
}
Comments
8 pages, 12 figures