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The Advanced Light Source is a U.S. Department of Energy scientific user facility at Lawrence Berkeley National Laboratory. Our mission is to advance science for the benefit of society by providing our world-class synchrotron light source capabilities and expertise to a broad scientific community.

Director’s Message on Beamtime in 2027

The ALS-U project plan has now been updated, and we have revised our proposal calls leading up to the dark time. Dark time remains on track to start no earlier than October 2027 (~22 months). With substantial user beamtime anticipated in 2027, we’ve added a new proposal call due September 2, 2026. Read more and contact alsproposals@lbl.gov with questions. Read more »

ALS-United: Changchun Sun and Jonah Weber

ALS-United is an opportunity to meet the people collaborating at the Advanced Light Source and the ALS Upgrade Project. Hear firsthand how team science enables the cutting-edge research of today and builds the facility of the future. This month, we spoke with Changchun Sun (Staff Scientists/Engineer) and Jonah Weber (Electronics Engineer). Read more »