Speaker
Description
Compact, efficient and high-power sources of electrons are of growing interest for a wide range of applications including materials processing, medical device and food sterilization, wastewater and soil treatment. Electron energy from <1MeV to 10 MeV and beam power from kW to MW levels are desirable. We describe a compact modular system being developed at JLab starting with a gridded thermionic electron gun and using an initial graded-beta copper CW linac to capture and form the beam, followed by one or more beta=1 CW linac sections to increase the energy. These sections may be normal conducting or conduction-cooled superconducting cavities depending on the energy and power levels required. CW operation allows for reliable high average power at modest gradient using cost-effective, highly efficient industrial magnetrons for the RF sources. We describe the design and development of these component along with plans for an integrated system to demonstrate CW beam operation.
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