IPAC'26 - the 17th International Particle Accelerator Conference

Magnetron-Based Conditioning of Low-Loss Couplers for a Conduction-Cooled Cryomodule

TUP7312

19 May 2026, 16:00

2h

C.I.D

Poster Presentation MC7.T06: Normal Conducting RF Poster session

Speaker

Neil Stilin (Thomas Jefferson National Accelerator Facility)

Description

This work presents current progress on the conditioning of two new 20 kW couplers optimized for use in a compact, conduction-cooled SRF cryomodule. A bridge waveguide, previously used for conditioning the 805 MHz SNS couplers, was re-optimized for use at 915 MHz. The necessary modifications were determined via RF modeling, while thermal analysis results guided the design of a cooling system for conditioning at room temperature. Another novel challenge involved is the use of magnetrons as the RF power source during the coupler conditioning. In particular, new interlock controls were developed in order to achieve a sufficiently fast power cutoff in case of arc detection.