A Resonant Cavity Linear Accelerator

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Abstract
A folded rectangular wave guide cavity, resonant at a frequency of 2800 megacycles, is used to accelerate electrons which are injected at 2000 volts energy to an energy of 300 kilovolts. Three accelerating stages are provided, the power source being a type 4J33 radar magnetron operating on a duty cycle of 2×10−4. Power output of the magnetron is 800 kilowatts, the power consumed by the cavity being approximately 250 kilowatts. Design data for the cavity are obtained from slotted wave guide models of the cavity sections.