SIBYLS MailinSAXS Advanced Light Source in Berkeley, California

Welcome to the SIBYLS beamline

SIBYLS offers High-Throughput Small Angle X-ray Scattering (HT-SAXS) and Size-Exclusion Chromatography Small Angle X-ray Scattering (SEC-SAXS) data collection through our mail-in program.

Log in to book a mail-in SAXS slot. If you don't have an account, you will need to register (see top menu). For instructions on sample prep, shipping and other important information see links at top menu for either HT-SAXS or SEC-SAXS.

Be sure to acknowledge SIBYLS when using data generated at beamline 12.3.1.

For more information go to The SIBYLS Beamline.

If you have any questions, please contact Kathryn.

ANNOUNCEMENT : Current beam cycle ends July 3rd.

• If you're hoping to collect SAXS data on your samples, please be aware we only have user beam through the end of June. The next cycle will start up in September.

• If a shift is full or you're looking for a shift date not yet open, email Kathryn. We might be able to open more slots/shifts.

• Our beamline scientists have office hours every Tuesday at 11:00 am (PST) to answer your SAXS questions. Email Kathryn ( for zoom link.