A 35 GHz, high power, wideband, hybrid harmonic-multiplying gyrotron amplifier (Gyrotriotron)

Author

Guo, H. ; Miao, Y.Y. ; Rodgers, J. ; Granatstein, V.L. ; Wu, R.S. ; Wu, D.S. ; Miao, Y.H. ; Yin, Y.L. ; Zhang, Y.S. ; Cai, Z.P. ; Zheng, L. ; Luo, J.R. ; Su, Y.N. ; Guo, W. ; Fan, B.L. ; Jia, Z.M. ; Ding, Y.G.

Author_Institution

Inst. for Res. in Electron. & Appl. Phys., Maryland Univ., College Park, MD, USA

Volume

2

fYear

2001

Firstpage

1681

Abstract

A new triplet gyrotron amplifier, which we call Gyrotriotron, has recently been developed. The device utilizes a 1-2-2 harmonic-multiplying scheme and operates with a short Ku-band gyro-TWT as input stage, a longer Ka-band gyro-TWT as output stage and a multiunit stagger-tuned clustered-cavity (TE mode) as an intermediate stage. A mode converter/filter type of interaction circuit is employed for each stage to minimize spurious mode competitions. In addition to the features of lower magnetic field requirement and lower input frequency, high gain, high efficiency and wide bandwidth are expected for this new gyro-amplifier. A proof-of-principle Gyrotriotron with expected peak power of 500 kW in TE04 mode and 5% bandwidth has been fabricated, and will be soon tested in the Harmonic Gyrotron Lab at the University of Maryland.

Keywords

cavity resonators; gyrotrons; harmonics; millimetre wave power amplifiers; millimetre wave tubes; travelling wave amplifiers; wideband amplifiers; 35 GHz; 500 kW; Gyrotriotron; Ka-band gyro-TWT output stage; Ku-band gyro-TWT input stage; TE mode; TE04 mode; harmonic-multiplying scheme; high efficiency; high gain; high power gyrotron amplifier; mode converter/filter type interaction circuits; multiunit clustered-cavity; stagger-tuned clustered-cavity; triplet gyrotron amplifier; wide bandwidth; wideband gyrotron amplifier; Bandwidth; Broadband amplifiers; Circuits; Frequency; Gyrotrons; High power amplifiers; Magnetic fields; Magnetic separation; Power harmonic filters; Tellurium;

fLanguage

English

Publisher

ieee

Conference_Titel

Pulsed Power Plasma Science, 2001. PPPS-2001. Digest of Technical Papers

Conference_Location

Las Vegas, NV, USA

Print_ISBN

0-7803-7120-8

Type

conf

DOI

10.1109/PPPS.2001.1001892

Filename

1001892