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The Linac Coherent Light Source at SLAC, the world’s first hard X-ray free-electron laser, takes X-ray snapshots of atoms and molecules at work, revealing fundamental processes in materials, technology and living things.

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Rooftop view of Linac Coherent Light Source (LCLS)

News Feature

The ePix10k detector is ready to advance science at SLAC’s Linac Coherent Light Source X-ray laser and at facilities around the world.

ePix10k
News Feature

The technique could improve the efficiency of data collection and pave the way for new kinds of experiments.

undulatorhall
News Brief

The technique they used will offer insight into many different chemical reactions.

hydroxyl radical
Photograph
The original LCLS undulator system was removed and replaced with two totally new systems that offer dramatic new capabilities. 
New undulator hall
Press Release

Marking the beginning of the LCLS-II era, the first phase of the major upgrade comes online.

New undulator hall
News Feature

A proposed device could expand the reach of X-ray lasers, opening new experimental avenues in biology, chemistry, materials science and physics.

x-ray laser oscillator
News Feature

The prestigious awards provide at least $2.5 million over five years in support of their work in understanding photochemical reactions and improving accelerator beams.

SLAC staff scientists Amy Cordones-Hahn and Brendan O'Shea
News Feature

It could offer insights into the evolution of planetary systems and guide scientists hoping to harness nuclear fusion as a new source of energy.

Scattered photons
News Feature

Revealing both sides of the story in a single experiment has been a grand scientific challenge.

nuclear and electronic
News Feature

Understanding nature’s process could inform the next generation of artificial photosynthetic systems that produce clean and renewable energy from sunlight and water.

How electrons flow in the oxygen-evolving complex of Photosystem II.
News Feature

Learning how liquid silicates behave at these extreme temperatures and pressures has been a longstanding challenge in the geosciences.

atomic arrangements of liquid silicates at the extreme conditions found in the core-mantle boundary.
News Feature

The advance opens a path toward a new generation of logic and memory devices that could be 10,000 times faster than today's.

Fanciful illustration based on electron orbitals