Photon Sciences   |   Brookhaven National Laboratory

X11A External Website

Beamline X11A

  • General Information

    • Source Type
      Bending magnet

      Status
      Operational

      General User Beamtime
      25%

      Energy Range Category
      Hard X-Ray (1-50 keV)

      Energy Range
      4.5-40 keV

      Beamline Type
      Participating Research Team (PRT)

      Technique(s)
      X-ray diffraction, anomalous fine structure
      X-ray absorption spectroscopy
      X-ray absorption spectroscopy, extended fine structure
      X-ray absorption spectroscopy, fine structure
      X-ray absorption spectroscopy, near edge fine structure
      X-ray absorption spectroscopy, near edge structure

      Institution(s)
      Brookhaven National Laboratory, Material Sciences Department
      Brookhaven National Laboratory, Environmental Science Dept.
      CANMET-Mining and Mineral Sciences Laboratories, Natural Resources Canada
      Canadian Light Source
      ETH Labs - Zuerich
      Naval Research Laboratory (NRL)
      Naval Surface Warfare Center, Carderock Division
      New Jersey Institute of Technology
      North Carolina State University
      SUNY @ Stony Brook, CEMS
      Sarah Lawrence College

      Research Types
      EXAFS of materials and chemical systems in nominal energy range of 4.5-40 keV Techniques: XAFS, DAFS.
  • Contact Information

    • Spokesperson The person from each beamline who acts as a contact point between the beamline management and NSLS administration. Contact for questions about the beamline scientific program, experimental capabilities, and beamline management.
      William O'Grady, Naval Research Laboratory (NRL), bill.ogrady.ctr@nrl.navy.mil, 2027676327

      Local Contact The beamline staff member who is typically responsible for overseeing the daily operation and maintenance of the beamline. Contact for questions about beamline instrumentation, experimental details, and training.
      Kaumudi Pandya, Science Applications International Corp. (SAIC, Inc.), pandya@bnl.gov, 6313447734

      Beamtime Scheduler The beamline staff member responsible for coordination of beamline schedule every trimester. Contact for questions about beamtime scheduling.
      Kaumudi Pandya, Science Applications International Corp. (SAIC, Inc.), pandya@bnl.gov, 6313447734

      Beamline Phone
      631-344-5611

  • Instrumentation

    • Beamline Characteristics

      Energy RangeMono Crystal or GratingResolution (ΔE/E)FluxSpot Size (mm)Total Angular Acceptance (mrad)
      4.5 – 26 keV Si(111) 2 x 10-4 1 x 1011 ph/sec (@ 10 keV , 350mA, 2.58 GeV) 10H x 0.5V (unfocused) 6.0
      8 – 35 keV Si(311) 2 x 10-4 10H x 0.5V (unfocused) 6.0


      Source Type
      Bending magnet

      Optical System
      Double crystal monochromator using a Huber goneometer, Si(111) or Si(311) crystals.

      Experimental Apparatus
      Solid state detector with digital electronics. 13-element Ge Detector. Displex shared with X-11B. Lytle Fluorescence Detector and electron yield detector.

      Computer System Hardware & Software
      Apple Mac G4 with Mac OS 9, XDAC spectroscopy data acquisition software.
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