Patent ID: 6914396

Claim:
A high-current, high-gradient, high-efficiency, multi-stage cavity cyclotron resonance accelerator (MCCRA) for accelerating charged particles, comprising: a charged particle source for emitting pulses of said charged particles; a plurality of successive rotating mode cavities extending in an axial direction and coupled to said charged particle source, wherein each successive cavity resonates at a progressively-lower RF resonance frequency to maintain approximate resonance of said pulses of charged particles, with the respective RF resonance frequency of each said successive cavity decreasing in substantially equal increments corresponding to a difference frequency, and said pulses of said charged particles being emitted in correspondence with said difference frequency; and at least one solenoid coil coaxially disposed about said cavities, said solenoid coil proving a substantially uniform magnetic field along an axial extent of said plurality of successive cavities.