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The dielectric wall accelerator(DWA)[1,2] is a new type of compact induction accelerator, where the pulse forming lines, switching, and vacuum wall are integrated into a single compact geometry. It pursues high accelerating gradient(30~100 MeV/m), high beam intensity(kA), so the materials have to be high breakdown strength. The key technologies for DWA are switching(gas, oil, laser induced surface flashover and photoconductive), dielectrics(ceramics and nanoparticle composites)and multilayered vacuum insulator(HGI)technology.
The dielectric wall accelerator (DWA) [1,2] is a new type of compact induction accelerator, where the pulse forming lines, switching, and vacuum walls are integrated into a single compact geometry. It pursues high accelerating gradient (30-100 MeV / m), high beam intensity (kA), so the materials have to be high breakdown strength. The key technologies for DWA are switching (gas, oil, laser induced surface flashover and photoconductive), dielectrics (ceramics and nanoparticle composites) and multilayered vacuum insulator (HGI) technology.