Title :
Implementation of a 3D helix TWT stability model in the large signal code CHRISTINE 3D
Author :
Chernin, D. ; Antonsen, Thomas, Jr. ; Levush, Baruch
Author_Institution :
Sci. Applications Int. Corp., McLean, VA, USA
Abstract :
We will present a summary of the 3D formulation of the stability problem for the helix TWT, and describe its implementation in the CHRISTINE 3D code. We will also illustrate the effects of reflections, magnetic focusing field, and beam expansion on the BWO instability threshold.
Keywords :
backward wave oscillators; stability; travelling wave tubes; 3D helix TWT stability model; BWO instability; CHRISTINE 3D large-signal code; beam expansion; magnetic focusing field; reflection; Computational modeling; Coupling circuits; Laboratories; Optical coupling; Optical reflection; Particle beams; Radio frequency; Space charge; Stability; Testing;
Conference_Titel :
Vacuum Electronics Conference, 2002. IVEC 2002. Third IEEE International
Print_ISBN :
0-7803-7256-5
DOI :
10.1109/IVELEC.2002.999268
