SLAC topics

Linac Coherent Light Source (LCLS)

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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News Feature

Experiment Shows Potential of X-ray Laser to Study Complex, Poorly Understood Materials

Illustration of a polystrene molecular chain and Styrofoam cups, which are made of polystyrene.

News Feature

Experiment at SLAC's X-ray Laser Opens Door to Exploring Cell Interiors

Image - These micrograph images show rod-shaped bacterial cells suspended in pure water. The dark rectangular shapes inside the cells correspond to naturally occurring crystals within the cells.

Press Release

SLAC Experiment Reveals Mysterious Order in Liquid Helium

News Feature

Laser-timing Tool Works at the Speed of Electrons

Image - An illustration of the setup used to test an "attosecond" timing tool at SLAC's Linac Coherent Light Source X-ray laser. The dashed line represents the arrival time of the X-ray laser.

News Feature

Photon science, a spin-off of particle physics, has returned to its roots for help developing better, faster detectors.

News Feature

SLAC-invented Etching Process Builds Custom Nanostructures for X-ray Optics

Image - This colorized scanning electron microscope image shows a top-down view of a spiral zone plate, an X-ray optical device, created using a chemical etching technique developed at SLAC. (Chieh Chang, Anne Sakdinawat)

News Feature

SLAC Experiment Provides New Insight About How Electrons Move Across Molecules

Researchers used SLAC's LCLS X-ray laser to stimulate and measure the electron-transfer process inside a severed methyl iodide molecule.

News Feature

Grad Students and Postdocs Get a Crash Course in Using X-ray Lasers

Archana Raja, a graduate student at Columbia University, explains her group’s poster presentation at SLAC’s Ultrafast X-ray Summer Seminar.

News Feature

Exploding Soccer Ball-shaped Molecules Will Help Biological Studies

Image - Buckyballs, molecules composed of 60 carbon atoms, bust apart as they are struck by intense X-ray pulses at SLAC's Linac Coherent Light Source. (Greg Stewart/SLAC)

Press Release

SLAC Research Reveals Rapid DNA Changes that Act as Molecular Sunscreen

Illustration showing a thymine molecule, DNA helix and the sun.

Press Release

Scientists at the Department of Energy's SLAC National Accelerator Laboratory have made the first structural observations of liquid water at temperatures down to minus...

Artist's concept - see caption

News Feature

A sense of adventure and intellectual rigor led PULSE chemistry professor Kelly Gaffney to a successful career in science.

Image - PULSE chemistry professor Kelly Gaffney. (Brad Plummer/SLAC)