Dielectric Wall Accelerator Technology

Summary form given only. The dielectric wall accelerator (DWA) is a compact pulsed power device where the pulse forming lines, switching, and vacuum wall is integrated into a single compact geometry. We are presently in the process of fabricating an accelerator cell for test on ETA-II (a 5.5 MeV, 2 kA, 70 ns pulsewidth electron beam accelerator). For this effort, we embarked on an extensive compact pulsed power development program and have pursued the study of switching (gas, oil, laser induced surface flashover and photoconductive), dielectrics (ceramics and nanoparticle composites), pulseforming line topologies (asymetric and symetric Blumleins and zero integral pulse forming lines) and multilayered vacuum insulator (HGI) technology. We review our past results and report on the progress of accelerator cell testing.