National Synchrotron Light Source

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National Synchrotron Light Source

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Brookhaven National Lab Synchrotron Light Source II Beam

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Brookhaven National Lab: Aerial View of National Synchrotron Light Source II

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How a Synchrotron Works

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Building the World's Most Advanced Light Source

The National Synchrotron Light Source (NSLS) at Brookhaven National Laboratory (BNL) in Upton, New York is a national user research facility funded by the U.S. Department of Energy (DOE). Built from 1978 through 1984, and officially shut down on September 30, 2014, the NSLS was considered a second-generation synchrotron.