BNL Home

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 NSLS-II General User proposal submission deadline is September 30, 2016.  |   Submission Details

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.

Beamline Projects

When fully built out, National Synchrotron Light Source II will accommodate approximately 60 to 70 beamlines. Thirty beamlines are currently in various stages of development and will provide significant research capacity in early operations.

Full Calendar


  1. JUN



    Brookhaven Lecture

    "515th Brookhaven Lecture: 'Structural Biology: Studying Living Things as They Jiggle and Wiggle'"

    Presented by Sean McSweeney, National Synchrotron Light Source II at Brookhaven Lab

    4 pm, Berkner Hall Auditorium

    Wednesday, June 29, 2016, 4:00 pm

    Hosted by: ''Thomas Watson''

  2. JUL



    Summer Sunday

    "Brilliant Light, Dazzling Discoveries: National Synchrotron Light Source II"

    10 am, Berkner Hall for Information

    Sunday, July 24, 2016, 10:00 am

    Visit the National Synchrotron Light Source II, where scientists use intense beams of light to see the inner structure of batteries, proteins, space dust, and more.

See all

Conferences & Workshops

  1. JUL



    14th International Conference on Surface X-ray and Neutron Scattering (SXNS14)

    July 10-14, 2016

  2. NOV



    X-ray Absorption Fine Structure Spectroscopy (XAFS) Short Course: Principles and Applications

    November 2-4, 2016

User Administration 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.