Speaker
Description
The Institute of Modern Physics (IMP) has independently developed a conduction-cooled superconducting electron linac prototype without liquid helium. The prototype, based on a 650 MHz (β = 0.82) SRF cavity, successfully accelerated 200 mA, 60 keV, 2 µs pulsed beam to 4.6 MeV with stable operation, demonstrating the feasibility of high-current acceleration.
Building on this achievement, an upgraded design targeting stable continuous-wave (CW) acceleration at 10 mA average beam current has been completed and entered the construction phase. The design maintains a compact layout and low system complexity while addressing the key technical challenges of high thermal load management, RF stability, and beam loss control in CW high-Current operation. Simulation and optimization using TraceWin and AVAS confirm the capability of the upgraded system to deliver reliable high-Current beams for industrial irradiation applications. This work provides a practical compact SRF e-linac solution tailored for CW, high-power operation in demanding industrial environments.
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