Speaker
Description
To address the electron source requirements for continuous-wave (CW) MeV electron microscopes (MV EM), we developed an L-band, normal-conducting (NC), CW accelerating structure operating in π-mode. With an input radiofrequency (RF) power below 20 kW, the accelerating structure delivers GHz bunch trains, accelerating electrons from 200 keV to 1.1 MeV. Comprehensive geometry optimization, full-scale RF simulations, and beam dynamics calculations were performed to validate the design. A compact water-cooling system was integrated to mitigate thermal deformation, and its effectiveness was confirmed by detailed coupled thermal-fluid-structure simulations. This NC CW linac provides a cost-effective and highly reliable electron source solution for MV EM applications.
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