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SLAC is the world’s leading center for developing “ultrafast” X-ray, laser and electron beams that allow us to see atoms and molecules moving in just millionths of a billionth of a second. We can even create stop-action movies of these tiny events.

DOE explains...Ultrafast science

This illustration shows how the first experiment at SLAC's Linac Coherent Light Source X-ray laser stripped away electrons from neon atoms. (SLAC National Accelerator Laboratory)

News Feature

In October, SLAC installed the first of LCLS-II’s cryogenic “feed caps” and “end caps.”

News Feature

This novel method could shrink the equipment needed to make laser pulses billionths of a billionth of a second long for studying ultra-speedy electron...

In this illustration, a near-infrared laser beam hits a piece of ordinary glass and triggers a process called high harmonic generation
News Feature

With SLAC’s X-ray laser, a research team captured ultrafast changes in fluorescent proteins between “dark” and “light” states. The insights allowed the scientists to...

Aequorea victoria, a bioluminescent jellyfish
Video
Ryan Coffee, scientist at SLAC’s Linac Coherent Light Source X-ray laser, explains, “What is a femtosecond?” 
Video
Press Release

SLAC’s X-ray laser and Matter in Extreme Conditions instrument allow researchers to examine the exotic precipitation in real time as it materializes in the...

A cutaway depicts the interior of Neptune (right) and an illustration of diamond rain (left).
Press Release

SLAC’s ultrafast “electron camera” reveals unusual atomic motions that could be crucial for the efficiency of next-generation perovskite solar cells.

UED Perovskites
News Feature

The research team was able to watch energy from light flow through atomic ripples in a molecule. Such insights may provide new ways to...

View of the The X-ray Pump Probe instrument at SLAC’s Linac Coherent Light Source.
Press Release

Extraordinarily precise measurements -- within millionths of a billionth of a second and a billionth of a hair's breadth -- show this ‘electron-phonon coupling’...

Illustration of a laser beam triggering atomic vibrations in iron selenide
News Feature

A new X-ray laser technique allows scientists to home in on these single-electron triggers to better understand organic molecules that respond to light, including...

Thymine
News Feature

The method dramatically reduces the amount of virus material required and allows scientists to get results several times faster.

Surface structure of the bovine enterovirus 2
Press Release

When scientists at the Department of Energy’s SLAC National Accelerator Laboratory focused the full intensity of the world’s most powerful X-ray l

molecular black hole
News Feature

Berkeley Lab is overseeing development of specialized undulators that will produce X-ray light at LCLS-II by wiggling electrons.