Demonstration of a high power W-band gyrotwystron amplifier

Author

Blank, Marita ; Danly, B.G. ; Levush, Baruch

Author_Institution

Naval Res. Lab., Washington, DC, USA

fYear

1998

Firstpage

236

Abstract

Summary form only given. The Naval Research Laboratory is currently investigating gyro-amplifiers as high power, broadband sources for millimeter wave radars. A four stage W-band gyrotwystron amplifier experiment is now underway at NRL. The gyrotwystron has produced 50.4 kW peak output power at 17.7% electronic efficiency in the TE/sub 01/ mode for a 57 kV, 5 A electron beam. The measured full-width, half-maximum (FWHM) bandwidth is 925 MHz, a significant improvement over the bandwidth of previously demonstrated W-band gyroklystron amplifiers. The experimental results, which represent a record power-bandwidth product at this frequency, are in good agreement with theoretical predictions.

Keywords

gyrotrons; millimetre wave power amplifiers; plasma devices; relativistic electron beam tubes; 17.7 percent; 5 A; 50.4 kW; 57 kV; 925 MHz; TE/sub 01/ mode; electron beam; four stage W-band gyrotwystron amplifier; full-width half-maximum bandwidth; gyroamplifiers; high power W-band gyrotwystron amplifier; high power broadband sources; millimeter wave radars; Bandwidth; Broadband amplifiers; Electron beams; High power amplifiers; Laboratories; Millimeter wave measurements; Millimeter wave radar; Power amplifiers; Power generation; Tellurium;

fLanguage

English

Publisher

ieee

Conference_Titel

Plasma Science, 1998. 25th Anniversary. IEEE Conference Record - Abstracts. 1998 IEEE International on

Conference_Location

Raleigh, NC, USA

ISSN

0730-9244

Print_ISBN

0-7803-4792-7

Type

conf

DOI

10.1109/PLASMA.1998.677773

Filename

677773