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The SAXS instrument at X21 is equipped with a wiggler source, a cryogenically-cooled monochromator with interchangeable Si(111) and multilayer (ML) elements, and a toroidal focusing mirror. It typically operates at 8KeV, 0.4mm slit size and ~2m sample-to-detector distance, offering ~1.1x1013 photons/sec within the beam spot (using the ML monochromator and at 230mA ring current) and a q-range of ~0.005-0.3Å-1. The instrument mainly hosts bio- and nano-related researches, such as protein solution scattering and grazing incidence scattering from organic thin films. Proposals for beamtime should be submitted to the NSLS PASS system. Currently, GU time proportion is 50% and is shared with the magnetic scattering program hosted at X21A3. Beamline Phone Number: (631)344-2434 For futher information, contact Lin Yang, (631)344-5833, lyang@bnl.gov |
The National Synchrotron Light Source at Brookhaven National Laboratory in New York, is a national user research
facility funded by the U.S. Department of Energy's Office of Basic Energy Science. The NSLS operates two electron
storage rings: an X-Ray ring and a Vacuum UltraViolet (VUV) ring which provide intense light spanning the electromagnetic
spectrum from the infrared through x-rays. Each year over 2300 scientists from universities, industries and government
labs perform research at the NSLS.
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