| Autor: |
Ratnajit Bhattacharjee, Ramesh Kumar Sonkar, Narugopal Nayek |
| Rok vydání: |
2019 |
| Předmět: |
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| Zdroj: |
2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring). |
| DOI: |
10.1109/piers-spring46901.2019.9017855 |
| Popis: |
In this paper, a technique has been devised to reduce the effect of mode competition in $\mathrm{TE}_{0n}$ mode Gyrotron by introducing slots in the inside wall of the cavity. The slots are easily realizable by using wire electro discharge machining in the axial direction of the cavity. A $\mathrm{TE}_{02}$ mode Gyrotron with power output 18–20 kW at 28 GHz is designed. The applied magnetic field in the present work is set at 1.0385 T whereas minimum value of Start Oscillation Current of $\mathrm{TE}_{02}$ mode appears at 1.055 T. The $\mathrm{TE}_{02}$ mode output power stabilized at 20 kW after 580 ns of mode competition with $\mathrm{TE}_{22}$ neighboring mode. It is observed that proper design of slots eliminates the duration of mode competition significantly without sacrificing the output power. The optimized parameters like depth, thickness and number of the slots are 1 mm, 0.5 mm, and 4 respectively which reduce the duration of mode competition from 580 ns to 300 ns. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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