Title :
Slotted Ka-band second-harmonic peniotron with axis-encircling electrons
Author :
Dressman, L.J. ; McDermott, D.B. ; Hirata, Y. ; Gallagher, D.A. ; Spencer, T.A. ; Luhmann, N.C., Jr.
Author_Institution :
Dept. of Appl. Sci., California Univ., Davis, CA, USA
Abstract :
A harmonic peniotron has been designed for high efficiency and relative immunity to mode competition from gyrotron interactions. The device employs a 70 kV, 3.5 A, axis-encircling electron beam. To ensure stability from competing gyrotron interactions, the peniotron operates in the lowest order mode of a slotted four-vane circuit, the π/2 mode. The 33 GHz, slotted second-harmonic peniotron is predicted to yield 125 kW with an electron efficiency of 58% and a device efficiency of 52%. The device is being constructed at UCD and will be driven by a recently developed Northrop Grumman cusp electron gun.
Keywords :
cavity resonators; electron beams; harmonics; millimetre wave tubes; stability; /spl pi//2 mode; 125 kW; 3.5 A; 33 GHz; 52 percent; 58 percent; 70 kV; axis-encircling electron beam; cusp electron gun; gyrotron interactions immunity; high efficiency; lowest order mode operation; mode competition immunity; second-harmonic peniotron; slotted Ka-band peniotron; slotted four-vane circuit; stability; Blades; Circuit stability; Cranes; Cyclotrons; Electron beams; Gyrotrons; Magnetic fields; Resonance; User centered design; Voltage;
Conference_Titel :
Infrared and Millimeter Waves, 2000. Conference Digest. 2000 25th International Conference on
Conference_Location :
Beijing, China
Print_ISBN :
0-7803-6513-5
DOI :
10.1109/ICIMW.2000.893048
