Wideband Glide-Symmetric Slow-Wave Structure for Millimeter-Wave Sheet Beam TWTs
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916765430185984 |
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| author | Marosi, Robert Zuboraj, Muhammed Capolino, Filippo |
| author_facet | Marosi, Robert Zuboraj, Muhammed Capolino, Filippo |
| contents | 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 $3π$-point and also make the on-axis interaction impedance negligible for the backward wave. This space harmonic structure is designed to operate in the $V$-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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_22927 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Wideband Glide-Symmetric Slow-Wave Structure for Millimeter-Wave Sheet Beam TWTs Marosi, Robert Zuboraj, Muhammed Capolino, Filippo Plasma Physics 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 $3π$-point and also make the on-axis interaction impedance negligible for the backward wave. This space harmonic structure is designed to operate in the $V$-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. |
| title | Wideband Glide-Symmetric Slow-Wave Structure for Millimeter-Wave Sheet Beam TWTs |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2505.22927 |