A 60 GHz, 200 kW CW gyrotron with a pure output mode†

Felch, K.; Bier, R.; Fox, L.J.; Huey, H.; Ives, L.; Jory, H.; Lopez, Nicolas; Manca, Joseph; Shively, J.; Spang, S.

doi:10.1080/00207218408938968

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Cited by 27 publications

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“…During the formation of spherical plasma, spark protection is in normal operation and there is no reflected wave detected. In order to obtain higher plasma parameters, the ECRH system with 28GHz/400kW gyrotron [6]- [13] is under construction.…”

Section: Experimental Methods and Resultsmentioning

confidence: 99%

Experimental Study on Collimation Characteristics of an ECRH System with a 28GHz/50kW Gyrotron

Zhou

2020

E3S Web Conf.

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In this paper, the collimation characteristics of an electron cyclotron resonance heating (ECRH) system with a 28GHz/50kW gyrotron in EXL-50 are studied experimentally. Through using laser trackers and designing matching tooling, test errors of horizontal distances and vertical distances between the transmission line and the flange center are all within 1mm, which are less than 0.4% and 0.07% respectively. In addition, online beam spot test with a 150 ms short pulse from a 28 GHz gyrotron also proves good collimation characteristics of the ECRH system. Finally, spherical plasma is formed through injecting the microwave to the vacuum chamber.

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Section: Experimental Methods and Resultsmentioning

confidence: 99%