Title :
3.4: Sheet beam stick for low-voltage W-band extended interaction klystron (EIK)
Author :
Pasour, John ; Wright, Edward ; Nguyen, Khanh ; Balkcum, Adam ; Wood, Franklin ; Atkinson, John ; Cusick, Michael ; Levush, Baruch
Author_Institution :
Vacuum Electron. Branch, US Naval Res. Lab., Washington, DC, USA
Abstract :
The stable transport of high-perveance, low-voltage sheet electron beams is a key requirement for the successful development of compact, high-power sheet beam amplifiers. We describe a beam stick to demonstrate the transport of such a beam (19.5 kV, 3.5 A) in a solenoidal magnetic field of about 8.5 kG. The beam stick consists of a novel sheet beam gun having single-plane convergence of a factor of ~30, a permanent magnet solenoid, a 1.8-cm-long × 5 mm wide × 0.4 mm high beam tunnel, and an isolated collector. The engineering design was based closely upon MICHELLE and MAGIC-3D simulations of a W-band extended interaction klystron.
Keywords :
electron beams; electron guns; klystrons; low-power electronics; magnetic fields; millimetre wave tubes; solenoids; vacuum microelectronics; wideband amplifiers; MAGIC-3D simulation; MICHELLE simulation; current 3.5 A; engineering design; high-power sheet beam amplifier; isolated collector; low-voltage W-band extended interaction klystron; low-voltage sheet electron beam; permanent magnet solenoid; sheet beam gun; sheet beam stick; single-plane convergence; solenoidal magnetic field; voltage 19.5 kV; Assembly; Cathodes; Design engineering; Electrodes; Electron beams; High power amplifiers; Klystrons; Permanent magnets; Radio frequency; Voltage; Sheet beam; amplifier; electron gun; high perveance; millimeter wave; vacuum electronic;
Conference_Titel :
Vacuum Electronics Conference (IVEC), 2010 IEEE International
Conference_Location :
Monterey, CA
Print_ISBN :
978-1-4244-7098-3
DOI :
10.1109/IVELEC.2010.5503611
