Speaker
Description
We present an optimization of a novel compact accelerator configuration, where each accelerating cell is individually driven by an emerging high-power, solid-state RF amplifier. This architecture, first developed at LANL for space applications, has the potential to produce a high-power electron beam with reduced footprint. Optimizing the size, weight, and cost of construction and operation of such an accelerator, while ensuring redundancy, requires a detailed particle simulation model. In this work, the design of a 2 MeV compact electron linac with 1.5 kW average beam power was optimized using a simulation model of the linac created using the software package General Particle Tracer (GPT). The accelerator consists of a 20 kV DC electron gun, a pre-buncher cavity and five 4-cell modules containing S-band cavities that accelerate the beam to 2 MeV, as well as provide transverse focusing. Additional transverse focusing is provided by solenoids along the beamline to maximize transmission. The cavity phases and the solenoid currents were optimized to maximize transmission through the accelerator. The design of the compact electron linac and its optimization will be presented at the conference.
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