X-ray Science
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New Technique Traces Ejected Electrons Back to Atomic Shells
SLAC Physicist Receives Free-electron Laser Award
Dao Xiang, a SLAC accelerator physicist, has received an international award for his work on a technique for tuning an electron beam with a laser to produce X-ray pulses with more uniform and predictable properties.
Journal's Special Issue Highlights New Frontier of X-ray Lasers
A special issue of a physics publication highlights the contributions of SLAC's X-ray laser and the few similar lasers around the globe in probing the interaction of light and matter at the scale of atoms and electrons.
Award Recognizes X-ray Research on Organic Semiconductors
Guarav "Gino" Giri, who this summer completed his doctoral work in chemical engineering at Stanford, has been selected to receive this year's Melvin P. Klein Scientific Development Award for his pioneering work aimed at understanding and improving organic semiconductor performance and developing new production methods.
LCLS Gets New Equipment, Upgrades During Downtime
Crews will install a powerful new instrument, start assembling a new "self-seeding" system that will focus soft X-ray laser pulses into a bright, narrow band of colors, and upgrade several laser systems during two months of routine downtime at SLAC's Linac Coherent Light Source (LCLS) X-ray laser.
Ribosome Research Takes Shape at SLAC
In a new state-of-the-art lab at SLAC National Accelerator Laboratory, components of ribosomes – tiny biological machines that make new proteins and play a vital role in gene expression and antibiotic treatments – form crystals in a liquid solution.
Signs at the lab's entryway warn of the potential for contamination – these delicate samples can be damaged by human touch, a sneeze or a dust particle.
Annual SSRL Award Honors Former Stanford Grad Student
Rapid Beam-switching Allows SLAC X-ray Laser to Multitask
A high-energy SLAC laser that creates shock waves and superhot plasmas needs to cool for about 10 minutes between shots. In the meantime, the rapid-fire pulses produced by SLAC's Linac Coherent Light Source X-ray laser, which probes the extreme states of matter produced by this initial laser shot, are unused.
A New Tool to Split X-ray Laser Pulses
A new tool at SLAC's Linac Coherent Light Source splits individual X-ray laser pulses into two pulses that can hit a target one right after another with precisely controlled timing, allowing scientists to trigger and measure specific ultrafast changes in atoms and molecules.
