LCLS is the world’s first hard X-ray free-electron laser, open to experiments by scientists from across the globe.

New undulator hall

Scientists demonstrated a materials characterization technique can be successful at a new type of facility, and they used it at LCLS to discover a hidden materials phase.

A small bright ball falls on a purple grid, creating a wave.
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STEM Library videos

Lydia Young, SLAC’s chief engineer, helps students with an experiment at the lab’s SAGE-S summer camp.
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