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The MeV-UED instrument, part of the LCLS User Facility, is a powerful “electron camera” for the study of time-resolved, ultrafast atomic & molecular dynamics in chemical and solid-state systems.

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SLAC staff scientist Alexander Reid, the first user of the lab's instrument for ultrafast electron diffraction (MeV-UED).
News Brief

With a new method that could be extended to study Earth’s core and nuclear fusion, they identify and explain jumps in the electrical conductivity...

Illustration of a short laser pulse heating a sheet of aluminum, causing it to melt and break up into droplets.
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The SLAC team is developing digital twins – powered by AI and high-performance computing – to help quickly shape high-quality particle beams for the...

hand pointing to digital twin
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Ultrafast electrons at SLAC’s LCLS facility resolved the structural changes in a light-activated molecule to determine which simulations work best. 

Graphic representation of several molecules floating through space, circle of papers representing scientific results
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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
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The microelectronics that power daily life and speed discoveries in science and technology are the focus of a bold new vision to make them...

photo of detector
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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 Brief

A study reveals an ultrathin material’s ability to circularly polarize light, potentially informing how they work in optoelectronic devices.

Image from SLAC's high-speed electron camera showing circular polarization of terahertz light.
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Improvements to the lab’s “electron camera” use AI and “time stamping” to help reveal nature’s speedy processes more accurately. 

Film strip showing images of the MeV-UED, experimental setups and graphics.
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Researchers have uncovered new insights about tungsten's ability to conduct heat, which could lead to materials advancements for fusion reactor and aerospace technologies.

tungsten
News Brief

The results  could lead to a better understanding of reactions with vital roles in chemistry and biology. 

MeV-UED
News Brief

Proving the technique works puts scientists one step closer to unraveling the mysteries of hydrogen transfers.

Red and blue laser beams strike a sample.
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The results should further our understanding of similar reactions with vital roles in chemistry, such as the production of vitamin D in our bodies.

UED transition state