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Slot-Coupled CW Standing Wave Accelerating Cavity

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
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A slot-coupled CW standing wave multi-cell accelerating cavity. To achieve high efficiency graded beta acceleration, each cell in the multi-cell cavity may include different cell lengths. Alternatively, to achieve high efficiency with acceleration for particles with beta equal to 1, each cell in the multi-cell cavity may include the same cell design. Coupling between the cells is achieved with a plurality of axially aligned kidney-shaped slots on the wall between cells. The slot-coupling method makes the design very compact. The shape of the cell, including the slots and the cone, are optimized to maximize the power efficiency and minimize the peak power density on the surface. The slots are non-resonant, thereby enabling shorter slots and less power loss.
Wang, Shaoheng (Yorktown, VA), Rimmer, Robert (Yorktown, VA), Wang, Haipeng (Glen Allen, VA)
14/ 731,887
June 5, 2015
GOVERNMENT LICENSE RIGHTS [0002] This invention was made with government support under Management and Operating Contract No. DE-ACO5-060R23177 awarded by the Department of Energy. The United States Government has certain rights in the invention.