X-band high-efficiency relativistic gyrotron

Author

Zaitsev, Nikolay I. ; Ginzburg, Naum S. ; Ilyakov, Evgeny V. ; Kulagin, Igor S. ; Lygin, Vladimir K. ; Manuilov, Vladimir N. ; Moiseev, M.A. ; Rosenthal, Roman M. ; Zapevalov, Vladimir E. ; Zavolsky, Nikolay A.

Author_Institution

Inst. of Appl. Phys., Acad. of Sci., Nizhny Novgorod, Russia

Volume

30

Issue

3

fYear

2002

fDate

6/1/2002 12:00:00 AM

Firstpage

840

Lastpage

845

Abstract

As a result of the theoretical and experimental studies, a relativistic gyrotron with efficiency 50% at power 7 MW or with power 11 MW at efficiency 30% was developed. The full microwave pulse duration was about 6 μs, which corresponded to the duration of the voltage-pulse flat top. The regime of periodical, almost 100% depth self-modulation with period 17 ns was observed in the gyrotron with the delayed feedback formed by an additional reflector in the output waveguide.

Keywords

digital simulation; gyrotrons; relativistic electron beam tubes; 11 MW; 17 ns; 30 percent; 50 percent; 6 mus; 7 MW; X-band high-efficiency relativistic gyrotron; breakdown strength; delayed feedback; efficiency; hard regimes; microwave pulse duration; output waveguide; periodical depth self-modulation; power; pulse shortening; reflector; self-excitation regimes; self-modulation; soft regimes; voltage-pulse flat top duration; Cathodes; Electron beams; Equations; Frequency; Gyrotrons; Microwave devices; Output feedback; Propagation delay; Tellurium; Voltage;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2002.801555

Filename

1158314