LCLS Atomic, Molecular & Optical Science (AMO)

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January 27, 2022
News Feature
Researchers use attosecond X-ray pulses to track electron motion in a highly excited quantum state of matter
Less than a millionth of a billionth of a second long, attosecond X-ray pulses allow researchers to peer deep inside molecules and follow electrons as they zip around and ultimately initiate chemical reactions.
attosecond_coherent_electron_motions
September 11, 2020
News Feature
Attosecond pulses reveal electronic ripples in molecules
Researchers demonstrate a new ability to drive and track electronic motion, which is crucial to understanding the role of electrons in chemical processes and how quantum coherence evolves on the shortest timescales.
attoseconds
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
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.
August 17, 2017
News Feature
Researchers Create Molecular Movie of Virus Preparing to Infect Healthy Cells
With SLAC’s X-ray laser, scientists captured a virus changing shape and rearranging its genome to invade a cell.
The AMO (Atomic, Molecular & Optical Science) instrument
September 1, 2015
News Feature
Global Team Seeks Individual X-ray Portraits of Active Viruses, Bacteria and Cell Components
A major international effort at SLAC is focused on improving our views of intact viruses, living bacteria and other tiny samples using the brightest X-ray light on Earth.
Image - Researchers discuss technical details and monitor the performance of a single particle imaging experiment conducted by a global scientific collaboration in late July and early August at SLAC's Linac Coherent Light Source X-ray laser.
March 2, 2015
News Feature
Giant Virus Revealed in 3-D Using X-ray Laser
For the first time, researchers have produced a 3-D image revealing some of the inner structure of an intact, infectious virus.
Image - This rendering shows a 3-D reconstruction of a Mimivirus, based on an analysis of a collection of X-ray diffraction patterns obtained in an experiment at SLAC's Linac Coherent Light Source X-ray laser. (Uppsala University)
February 11, 2015
Press Release
Scientists Take First X-ray Portraits of Living Bacteria at the LCLS
Researchers working at SLAC have captured the first X-ray portraits of living bacteria.
Image - This photo illustration shows a pond containing a visible bloom of cyanobacteria, with an artistic rendering of an individual cell, left, and a reconstructed image of a single cell based on data from an experiment at SLAC's LCLS X-ray laser.
November 20, 2014
Public Lecture Video - 'Quantum CSI: Profiling Molecules with X-rays'
In this lecture, SLAC’s Ryan Coffee explains how researchers are beginning to use pattern recognition and machine learning to study chemical reactions at the level of atoms and molecules with the LCLS X-ray laser.
August 21, 2014
Press Release
X-ray Laser Probes Tiny Quantum Tornadoes in Superfluid Droplets
An experiment revealed a well-organized 3-D grid of quantum "tornadoes" inside microscopic droplets of supercooled liquid helium – the first time this formation has been seen at such a tiny scale.

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