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Oct 12 – 16, 2025
Newport News Marriott at City Center
US/Eastern timezone

LLRF Progress at FRIB: from Commissioning to Operation and Future Directions

Oct 14, 2025, 10:05 AM
20m
Newport News Marriott at City Center

Newport News Marriott at City Center

740 Town Center Drive, Newport News, Virginia 23606
Oral

Speaker

Shriraj Kunjir (Facility for Rare Isotope Beams)

Description

The Facility for Rare Isotope Beams (FRIB) was fully commissioned in 2021 and began user operations in May 2022. This talk provides an update on Low-Level Radio Frequency (LLRF) system activities at FRIB during the transition from commissioning to routine operation. Key efforts have focused on spare parts management and the development of advanced troubleshooting tools to support reliable system performance. We present operational insights from the early stages, including achieved performance metrics, system uptime, lessons learned, automation of cavity turn-on/off, conditioning, auto-restart process and beam based feedback for LLRF energy and phase regulation. Additionally, we briefly introduce ongoing developments of a new LLRF hardware platform designed to support future FRIB upgrade cavities.

This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics and used resources of the Facility for Rare Isotope Beams Operations, which is a DOE Office of Science User Facility under Award Number DE-SC0023633.

Abstract Category Lab Talk

Author

Shriraj Kunjir (Facility for Rare Isotope Beams)

Co-authors

Dan Morris (Facility for Rare Isotope Beams) Shen Zhao (Facility for Rare Isotope Beams)

Presentation materials

There are no materials yet.