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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

Once built, the system could produce fast X-ray pulses ten times more powerful than ever before.

illustration of an electron beam traveling through a niobium cavity – a key component of SLAC’s future LCLS-II X-ray laser.
News Feature
For decades, materials scientists have focused on materials that are relatively balanced and unchanging – but not Yijing Huang, a postdoctoral scholar at the...
Yijing Huang at Stanford University
Illustration

Illustration of how a single crystal sample of silicon deforms during shock compression on nanosecond timescales.

MEC silicon
News Feature
Silicon, an element abundant in Earth’s crust, is currently the most widely used semiconductor material and is important in fields like engineering, geophysics and...
MEC silicon
Illustration

Scientists use a series of magnets to transform an electron bunch into a narrow current spike which then produces a very intense attosecond X-ray...

XLEAP illustration
Photograph
SLAC’s Linac Coherent Light Source (LCLS) Near Experimental Hall building at sunrise with Stanford University Hoover Tower in the background.
SLAC’s Linac Coherent Light Source (LCLS) Near Experimental Hall building at sunrise with Stanford University Hoover Tower in the background.
Illustration
The ultrafast, ultrabright X-ray pulses of the Linac Coherent Light Source (LCLS) have enabled unprecedented views of a catalyst in action, an important step...
Nilsson science cover
Photograph
Dominique White takes a look at the last cryomodule for LCLS-II delivered from Fermi National Accelerator Laboratory.
Dominique White takes a look at the last cryomodule for LCLS-II delivered from Fermi National Accelerator Laboratory.
Photograph
Kayla Ninh at LCLS’s ChemRIX Hutch 2.2 in Near Experimental Hall. 
Kayla Ninh at LCLS’s ChemRIX Hutch 2.2 in Near Experimental Hall.
Photograph
SLAC’s linac before sunset looking west.
SLAC aerial of linac
Video
Aerial view of SLAC’s   campus with the LINAC in the foreground leading into the campus. The interstate 280 passes over the LINAC. Stanford...
Front Page - SLAC Full Campus
Video
Video

SLAC’s research yard in the foreground, with the LINAC stretching 2 miles to the west, and SLAC’s campus on the right.

Front Page - Drone timelapse LINAC
Video