Cyclotron autoresonance maser amplifiers and oscillators

Author

Wang, Q.S. ; Kou, C.S. ; Leou, K.C. ; Chong, C.K. ; McDermott, D.B. ; Lin, A.T. ; Luhmann, N.C., Jr. ; Caplan, M. ; Kulke, B. ; Salop, A. ; Chu, K.R.

Author_Institution

California Univ., Los Angeles, CA, USA

fYear

1989

fDate

3-6 Dec. 1989

Firstpage

759

Lastpage

762

Abstract

The theory of the CARM (cyclotron autoresonance maser amplifier) and the design and simulation of (1) a 20-MW, 33-GHz, 400-kV CARM amplifier, (2) a 0.4-GW, 250-GHz, 2-MV CARM oscillator in a Bragg resonator, and (3) a 100-kV dielectric loaded CARM are presented. The CARM is a wideband device with high efficiency due to autoresonance for frequencies well above cutoff. The CARM can also withstand extremely high power due to the reduced attenuation from being far above cutoff. The large Doppler upshift results in a much weaker magnetic field requirement compared to the gyrotron, but it also leads to the need for a high-quality electron beam with a low axial velocity spread.<>

Keywords

masers; microwave amplifiers; microwave oscillators; 0.1 to 2 MV; 20 MW; 250 GHz; 33 GHz; 400 MW; Bragg resonator; CARM amplifier; CARM oscillator; EHF; cyclotron autoresonance maser amplifier; dielectric loaded CARM; frequencies well above cutoff; high efficiency; high power; high-quality electron beam; large Doppler upshift; low axial velocity spread; theory; weaker magnetic field requirement; wideband device; Attenuation; Broadband amplifiers; Cutoff frequency; Cyclotrons; Dielectrics; Gyrotrons; Magnetic fields; Masers; Oscillators; Wideband;

fLanguage

English

Publisher

ieee

Conference_Titel

Electron Devices Meeting, 1989. IEDM '89. Technical Digest., International

Conference_Location

Washington, DC, USA

ISSN

0163-1918

Print_ISBN

0-7803-0817-4

Type

conf

DOI

10.1109/IEDM.1989.74165

Filename

74165