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The design work for 95 GHz, 100 kW gyrotron for Active Denial System (ADS) application is presented. The mode selection is performed considering the various technical constraints. Particle-in-Cell code is used for the beam-wave interaction computation and cavity design. In addition, the designs of electron beam source, collector and RF window are also discussed. The design results confirm the RF power...
This paper presents the electrical designs of interaction cavity and electron gun for triple frequency (170-, 140-, and 127.5 GHz) gyrotron. TE34,10, TE21,11 and TE22,9 modes are selected as the operating mode for 170 GHz, 140 GHz and 127.5 GHz operation of the device, respectively. The design results show more than 1 MW power at all three frequencies.
A triode magnetron injection gun (MIG) is designed for a 1-MW 170-GHz gyrotron, which will be used in an electron cyclotron resonance heating system for the International Thermonuclear Experimental Reactor. The initial design of MIG is performed by using the in-house code MIGSYN. For the electron-beam emission and propagation, the 2-D code EGUN is implemented. The transverse-to-axial velocity ratio...
A triode type Magnetron Injection Gun (MIG) for a 2 MW, 95 GHz Gyrotron has been designed by using commercially available code EGUN and another in-house developed code MIGANS. The operating mode of the gyrotron is TE24,8 and it is operated in the fundamental harmonic. The operating voltages of the modulating anode and the accelerating anode are 61 kV and 85 kV respectively. The parametric dependences...
A triode type Magnetron Injection Gun (MIG) for a 200 kW, 42 GHz Gyrotron has been designed by using commercially available code EGUN. The design optimization of the beam tunnel has been done with the help of 3-D simulation software CST-Microwave Studio. This paper presents the effect of beam tunnel geometry on the electron beam parameters for 42 GHz gyrotron.
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