Depressed collectors for gyrotrons

Author

Read, M.E. ; Lawson, W. ; Dudas, A.J. ; Singh, A.

Author_Institution

Phys. Sci. Inc., Alexandria, VA, USA

fYear

1989

fDate

20-23 Mar 1989

Firstpage

199

Abstract

Because of the inherent advantages of gyrotrons, such a source is expected to be able to produce significantly higher power at high frequencies than that possible with a linear beam tube. A 10 GHz, 30 MW gyroklystron is being developed at the University of Maryland to demonstrate this potential. However, it is recognized that the gyroklystron´s efficiency is inferior to that of its linear beam counterpart because gyrotrons extract energy primarily from beam rotational motion only. Thus, for high average power systems, a method for enhancing the efficiency is important. Detailed calculations indicate that a depressed collector for the University of Maryland gyroklystron could have a high (≈76%) collection efficiency, yielding a doubling in the overall efficiency of the gyroklystron to 64%

Keywords

beam handling equipment; gyrotrons; klystrons; 10 GHz; 30 MW; SHF; University of Maryland gyroklystron; depressed collector; efficiency; gyrotrons; high average power systems; rotational motion; Acceleration; Colliding beam accelerators; Costs; Electron accelerators; Frequency; Gyrotrons; Klystrons; Magnetic fields; Positrons; Power systems;

fLanguage

English

Publisher

ieee

Conference_Titel

Particle Accelerator Conference, 1989. Accelerator Science and Technology., Proceedings of the 1989 IEEE

Conference_Location

Chicago, IL

Type

conf

DOI

10.1109/PAC.1989.73121

Filename

73121