30 August 2026 to 3 September 2026
Whistler Conference Centre
Canada/Pacific timezone
Poster ONLY abstracts are still being accepted -- contact IBIC2026@triumf.ca | Registration is Open

ALS-U beam diagnostics: beam position monitor (BPM) characterization and testing

WEP028
2 Sept 2026, 16:00
2h
Ballroom C (Whistler Conference Centre)

Ballroom C

Whistler Conference Centre

Poster Presentation MC03: Beam Position Monitors Wednesday Poster Session 3

Speaker

Jared De Chant (Lawrence Berkeley National Laboratory)

Description

At Lawrence Berkeley National Laboratory, ongoing work is underway for the Advanced Light Source Upgrade (ALS-U), whose primary objective is to increase photon beam brightness by two orders of magnitude. Achieving this goal requires the delivery of a high-quality electron beam, along with the development of advanced diagnostics to monitor its properties, including beam size, position, current, energy spread, and bunch length. These diagnostics are essential for the tuning, commissioning, and reliable operation of the future facility. Presented here is a report on the development, testing, and characterization of Beam Position Monitors (BPMs), a critical diagnostic for the commissioning and operation of the ALS-U. Due to the complexity of the ALS-U storage ring and small beam size, these BPMs need to be carefully characterized to accurately measure the beam’s position. We performed precision measurements of the electrical properties of the BPMs and associated electronics across multiple units to evaluate fabrication consistency and verify matching performance across units. These measurements support the commissioning of the ALS-U storage ring by providing increased precision of the beam’s position, to help ensure compliance with the stringent requirements of the ALS-U.

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Supervisor's name Jared De Chant
Supervisor's email jtdechant@lbl.gov
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Authors

Andrea Zabala (Lawrence Berkeley National Laboratory) Jared De Chant (Lawrence Berkeley National Laboratory)

Co-author

Changchun Sun (Lawrence Berkeley National Laboratory)

Presentation materials

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