Abstract: Recent SLAC research on normal conducting accelerator design has produced multiple new approaches to increase the gradient and power efficiency of these structures, from distributed coupling to cold copper linacs. SLAC is investigating applying these high gradient design advances to a wide array of accelerator applications spanning discovery science, medicine, and national security. Reducing the size and cost of medical accelerator systems can improve access to advanced cancer treatment techniques like hadron therapy and enable new treatment modalities like high dose rate FLASH therapy. High gradient accelerator design techniques have been implemented at SLAC for projects to provide electron beams for Very High Energy Electron therapy and high speed 3D beam scanning for proton therapy. These design and prototyping efforts are complimented by high power testing capabilities at SLAC’s NLCTA Test Facility.
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