We report a thermionic Pierce electron gun, which has been designed, developed and experimentally tested for getting desired performance for W-band LIGA fabricated devices like folded waveguide backward-wave oscillator (FWBWO). This gun has used thermionic dispenser cathode of 1.6 mm button diameter with corresponding cathode emission loading around 2.5A/cm2. It is delivering 50 mA beam current at 12 kV beam voltage with 0.36 mm beam waist radius. The current density of beam is estimated at the beam waist position.
Experimental Investigation of W-band Pierce Electron gun for LIGA-fabricated Millimeter-wave Vacuum Electron Devices
2006-09-01
1163061 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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