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Linac Coherent Light Source (LCLS) RSS feed

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)
Upcoming Event
Seminars and conferences

2025 SSRL/LCLS Users' Meeting

Save the date. This annual meeting is a unique opportunity to gather together the light source community in a single scientific event that includes...
Users' Meeting 2025
Sep 22–26
News Feature

In this Q&A, Arianna Gleason discusses the technologies needed to make commercialized fusion energy a reality and how SLAC is advancing this energy frontier. 

Headshot of Arianna Gleason with graphic representation of a laser shot
News Brief

Using an advanced technique at SLAC’s Linac Coherent Light Source, researchers make surprising discoveries.

Image of a multicolored speckle pattern
News Brief

LCLS X-rays allowed researchers to connect the molecular dynamics of supercritical carbon dioxide, used in industrial and environmental applications, with its unique properties.

A figure showing atoms and blue blobs projecting an image onto a screen.
News Brief

A SLAC study shows a process called atomic relaxation offers a new way to explore quantum states in these puzzling materials.

Light blue wavy lines on a maroon red background.
News Feature

AI is playing a key role in helping SLAC researchers find new galaxies and tiny neutrinos, and discover new drugs.

Diffraction pattern
News Feature

Researchers across the lab are developing AI tools to harness data and particle beams in real time and make molecular movies, speeding up the...

Graphic of AI in several science areas
news collection

Harnessing nuclear fusion would bring the clean, unlimited energy of the stars to Earth.

fusion energy illustration
News Brief

Scientists worldwide who conduct research at SLAC’s light sources shine light on latest discoveries and innovations in talks, workshops and discussions.

Group photo of the users' meeting attendees
News Brief

The SLAC professor was elected to the American Physical Society in recognition of his research on ultrafast X-ray methods.

Kelly Gaffney
News Feature

SLAC is leading an effort to build a network that will enable AI and machine learning to steer experiments and more.

Images of molecules, spirals, and lasers surround a lens peering on the earth.
News Brief

This research advances our understanding of Earth's deep interior and exoplanets, opening new research avenues in Earth and planetary sciences.

mec_super_earth