LCLS X-ray Pump Probe (XPP)

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March 18, 2020
News Feature
An advance in molecular moviemaking reveals the subtle, complex ways a simple molecule can shimmy and fly apart
Hitting molecules with two photons of light at once set off unexpected processes that were captured in detail with SLAC’s X-ray laser. Scientists say this new approach should work for bigger and more complicated molecules, too, allowing new insights into molecular behavior.
Closeup image of molecular movie frames
June 14, 2019
News Feature
A quick liquid flip helps explain how morphing materials store information
Experiments at SLAC’s X-ray laser reveal in atomic detail how two distinct liquid phases in these materials enable fast switching between glassy and crystalline states that represent 0s and 1s in memory devices.
Diagram of material switching between glassy and crystalline states
April 10, 2019
News Feature
10 ways SLAC’s X-ray laser has transformed science
In the decade since LCLS produced its first light, it has pushed boundaries in countless areas of discovery.
Undulator Hall
March 11, 2019
News Feature
A new way to watch atoms move in a single atomic sheet
X-ray laser snapshots give scientists a new tool for probing trillionths-of-a-second atomic motions in 2-D materials
Experimental station at SLAC's LCLS X-ray laser where the study was done
February 21, 2019
News Feature
Researchers watch molecules in a light-triggered catalyst ring ‘like an ensemble of bells’
A better understanding of these systems will aid in developing next-generation energy technologies.
synchronized molecules
January 14, 2019
News Feature
An effect that Einstein helped discover 100 years ago offers new insight into a puzzling magnetic phenomenon
Using an X-ray laser, researchers watched atoms rotate on the surface of a material that was demagnetized in millionths of a billionth of a second.
magnetism
November 1, 2018
News Feature
In materials hit with light, individual atoms and vibrations take disorderly paths
Revealed for the first time by a new X-ray laser technique, their surprisingly unruly response has profound implications for designing and controlling materials.
Illustration of laser light setting off vibrations in material
March 28, 2018
News Feature
Secretary of Energy Rick Perry Visits SLAC, Tours Site of X-ray Laser Upgrade
The DOE’s top official met with SLAC staff and toured the Linac Coherent Light Source X-ray laser, where a superconducting upgrade is underway.
Secretary of Energy Rick Perry at SLAC's LCLS undulator hall
December 8, 2017
News Feature
Social Media: Highlights from Six Months of LCLS Experiments
Here's a glimpse of what we've been up to during the last experimental run – from June to November 2017 – at the Linac Coherent Light Source.
A research collaboration in the CXI control room.
July 11, 2017
News Feature
Scientists See Molecules ‘Breathe’ in Remarkable Detail
The research team was able to watch energy from light flow through atomic ripples in a molecule. Such insights may provide new ways to develop a class of materials that improve efficiency and reduce the size of applications like solar cells and memory storage devices.
View of the The X-ray Pump Probe instrument at SLAC’s Linac Coherent Light Source.

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