From the Director of SSRL:
Ready for the Next User Run
by Chi-Chang Kao
At the end of July, Piero Pianetta wrote in SLAC Today
a column describing the successes of the 2010 user run at the Stanford Synchrotron Radiation Lightsource. The joint Linac Coherent Light Source and SSRL Users' Conference that just concluded confirmed the high level of satisfaction—and expectations—of the user communities. With the SPEAR3 storage ring exceeding its original design specifications, SSRL is extremely competitive among the best synchrotron sources in the world, and we at SSRL are now poised to explore its full potential. First, on the operation side, we are taking another step toward the goal of 500 mA beam current with frequent fill injection, and we will be starting the 2011 run in November at 350 mA, compared to 200 mA last year. As we gain experience at 350 mA, we will increase the current during test runs to ensure that the resulting data quality remains high before putting even higher current modes into user operations. We put a high priority on making sure that users will operate effectively at the higher currents.
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First Experiments with Third LCLS Instrument Go to the Source
Analyzing thousands of interference patterns such as this one will help characterize the behavior of the LCLS X-rays. (Image
courtesy Christian David and colleagues.)
by Lauren Rugani
The third round of experiments at the Linac Coherent Light Source
began earlier this month at a whole new level of capability. For the first time they included research with the third LCLS instrument, the X-Ray Pump Probe, whose hard X-rays penetrate deeper into matter than the soft X-rays used by the first two instruments. This makes the LCLS XPP unique in the world.
"This is the only place to get hard X-ray laser pulses," said Christian David, a researcher at the Paul Scherrer Institute in Switzerland and principal investigator on the first XPP user run, which wrapped up this week. "That's why we waited for XPP instead of submitting a proposal to any of the other instruments."
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Under Secretary Koonin (second from left) at the Linac Coherent Light Source with Instrument Scientists Bill Schlotter (left), David Fritz (center) and John Bozek.(Photo by Brad Plummer.)
A Visit from Under Secretary Koonin
by Shawne Workman
Monday, SLAC hosted a visit from Department of Energy Under Secretary Steven Koonin
and two of his staff members. SLAC scientists and leadership presented Koonin
with updates on research and strategy at the Linac Coherent Light Source and
Stanford Synchrotron Radiation Lightsource, then led a tour of the LCLS
experimental facilities.
All-hands Safety and Security Fair October 29
from the SLAC Environment, Safety and Health Division
Everyone in the SLAC community is asked to attend the annual Safety and Security Fair on Friday, October 29. At the briefing, SLAC Director Persis Drell and Department of Energy Site Office Manager Paul Golan will give the opening presentations. They will be followed by several speakers who will discuss the importance of integrating safety and security into all aspects of both our work at SLAC and our personal lives.
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