FACET-II is the only facility in the world capable of providing high-energy electron and positron beams for researching a vast array of revolutionary accelerator...

A narrow two-mile long building stretches through trees and foothills.


FACET-II uses the middle third of the lab’s 2-mile-long linear accelerator


Over the course of two years, crews at SLAC installed a state-of-the-art high brightness electron source and new electron bunch compressor systems for producing...

FACET-II will pave the way for a future generation of particle colliders and powerful light sources


Rooftop view of Linac Coherent Light Source (LCLS)

Sunrise timelapse of Stanford Synchrotron Radiation Lightsource (SSRL)


Focal plane of the Legacy Survey of Space and Time (LSST) camera.
