Journal
2020 IEEE 21ST INTERNATIONAL CONFERENCE ON VACUUM ELECTRONICS (IVEC 2020)
Volume -, Issue -, Pages 273-274Publisher
IEEE
DOI: 10.1109/IVEC45766.2020.9520621
Keywords
gyrotron; magnetron-injection gun; electron beam; emitter; width; interaction efficiency
Funding
- RSF [19-12-00141]
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The main trends in gyrotron development are escalation of the radiated power and increasing the frequency of coherent radiation. For both trends it is beneficial to develop gyrotrons with wide emitters because this allows one to use cryomagnets with smaller inner bore sizes. For analyzing and optimizing the operation of gyrotrons with wide emitters it is proposed to represent such emitters as a superposition of thin rings and analyze the properties of electron beams emitted by each of these rings. The analysis of electron beam properties, for electron optical systems with different emitters is presented. The possibility to reduce velocity spread by anode profiling is discussed. The dynamics of electron beam and interaction efficiency for different emitters are calculated.
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