%0 Journal Article %T The two-section TWT with dielectric slow-down correction %A Kurayev A. A. %A Navrotskiy A. A. %A Sinitsyn A. K. %J Tekhnika i Pribory SVCh %D 2011 %I %X The helical TWT with dielectric bars fixing a helix is offered. The dielectric permeability or cross-section of the cores varies along interaction area, providing the demanded smooth law of change of delay and efficiency increase. %K traveling wave tube (TWT) %K helical slow-wave system (SWS) %K efficiency %U http://www.tkea.com.ua/svc/2011/1_2011/pdf/05.zip