Eigenvalues and eigenfields of a corrugated gyrotron cavity with conducting walls
Electromagnetic analysis of a cylindrical gyrotron cavity with longitudinal wall corrugations is performed on the basis of the approximate surface impedance model (SIM) and the full-wave spatial harmonic method (SHM). The good convergence of SHM with respect to the number of spatial harmonics is s...
Збережено в:
| Дата: | 2018 |
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| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Національний науковий центр «Харківський фізико-технічний інститут» НАН України
2018
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| Назва видання: | Вопросы атомной науки и техники |
| Теми: | |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/148829 |
| Теги: |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Eigenvalues and eigenfields of a corrugated gyrotron cavity with conducting walls / T.I. Tkachova, V.I. Shcherbinin, V.I. Tkachenko // Вопросы атомной науки и техники. — 2018. — № 6. — С. 67-70. — Бібліогр.: 9 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| Резюме: | Electromagnetic analysis of a cylindrical gyrotron cavity with longitudinal wall corrugations is performed on the
basis of the approximate surface impedance model (SIM) and the full-wave spatial harmonic method (SHM). The
good convergence of SHM with respect to the number of spatial harmonics is shown. The perturbation approach is
extended to a cylindrical corrugated cavity with finite wall conductivity. With this approach attenuation of TE cavity
modes due to ohmic wall losses is investigated. For the TE8,3 mode, as an example, the number of corrugations,
which ensures reasonable accuracy of SIM, has been determined. For such number of corrugations, good agreement
between SIM and SHM is demonstrated for mode eigenvalue, eigenfields and attenuation. |
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