RF Behavior of Cylindrical Cavity Based 240 GHz, 1 MW Gyrotron for Future Tokamak System

被引:0
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作者
Nitin Kumar
Udaybir Singh
Anirban Bera
A. K. Sinha
机构
[1] CSIR-Central Electronics Engineering Research Institute,Gyrotron Laboratory, Microwave Tubes Area
关键词
Gyrotron; Mode selection; Cylindrical cavity; Plasma fusion; MIG;
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摘要
In this paper, we present the RF behavior of conventional cylindrical interaction cavity for 240 GHz, 1 MW gyrotron for futuristic plasma fusion reactors. Very high-order TE mode is searched for this gyrotron to minimize the Ohmic wall loading at the interaction cavity. The mode selection process is carried out rigorously to analyze the mode competition and design feasibility. The cold cavity analysis and beam-wave interaction computation are carried out to finalize the cavity design. The detail parametric analyses for interaction cavity are performed in terms of mode stability, interaction efficiency and frequency. In addition, the design of triode type magnetron injection gun is also discussed. The electron beam parameters such as velocity ratio and velocity spread are optimized as per the requirement at interaction cavity. The design studies presented here confirm the realization of CW, 1 MW power at 240 GHz frequency at TE46,17 mode.
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页码:1342 / 1356
页数:14
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