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National Synchrotron Light Source II

NSLS-II is a state-of-the-art 3 GeV electron storage ring. The facility offers scientific and industrial researchers an array of beamlines with x-ray, ultraviolet, and infrared light to enable discoveries in clean and affordable energy, high-temperature superconductivity, molecular electronics, and more. Overview »


The next deadline for NSLS-II beam time proposals and beam time requests is May 31, 2019.  |   Submission Details

NSLS-II & CFN Users' Meeting | May 20–22, 2019

Become a Facility User

Beamlines at the National Synchrotron Light Source II are open to academic and industrial users for scientific research. All research proposals are subjected to peer review and ranked against competing proposals based on scientific merit.

NSLS-II Beamlines

NSLS-II’s beamlines and experimental stations offer unique, cutting-edge research tools for a wide variety of scientific areas. All beamlines are organized into six science programs, based on the research capabilities and expertise they offer.

Beamlines are organized into six scientific programs, based on the research techniques they offer.

Hard X-ray Spectroscopy

Complex Scattering

Diffraction & In-Situ Scattering

Imaging and Microscopy

Soft X-ray Scattering & Spectroscopy

Structural Biology

Full Calendar


  1. SEP



    NSLS-II Colloquium

    "Theoretical Understanding of Photon Spectroscopies in Correlated Materials In and Out of Equilibrium"

    Presented by Thomas Devereaux, SLAC

    4 pm, Large Seminar Room, Bldg. 510

    Thursday, September 12, 2019, 4:00 pm

    Hosted by: John Hill


See all

Conferences & Workshops

  1. MAY



    2019 NSLS-II & CFN Joint Users' Meeting

    May 20-22, 2019

  2. MAY



    LiX Solution Scattering Workbench

    May 29-31, 2019

  3. JUN



    4th International Conference on Resonant Elastic X-ray Scattering (REXS 2019)

    June 17-21, 2019

  4. JUN



    11th International Conference on Inelastic X-ray Scattering (IXS2019)

    June 23-28, 2019

User Services Office

Brookhaven National Laboratory
743 Brookhaven Avenue
Building 743
Upton, NY 11973-5000

(631) 344-8737 | | website

Visiting NSLS-II

If you are a contractor or vendor coming to NSLS-II for the day, please work with your host to gain access to the Lab site. If you will be on site for more than one day, please contact the Guest, User, and Visitor Center for access and training requirements. See maps and directions for getting here.