Beamline 8-BM

  • General Information
    • Source Type
      Dipole Bend Magnet


      General User Beamtime

      Energy Range
      1-8 keV

      Beamline Type
      Participating Research Team (PRT)

      Beamline Description
      TES is a tender-energy beamline optimized for spatially resolved and in-situ XAFS and imaging in the 1-5 keV energy range, in a non-vacuum sample environment.

      X-ray Absorption Micro/Nanoprobe
      X-ray Micro/Nano Spectroscopy
      Time-resolved Spectroscopy
      X-ray Absorption Spectroscopy
      X-ray Absorption Spectroscopy, Extended Fine Structure
      X-ray Absorption Spectroscopy, Near Edge Fine Structure

      Research Types
      Climate and Energy sciences, with applications in Earth, space, environmental and biological sciences.

  • 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.
      Paul Northrup, Brookhaven National Laboratory,, 344-3565

      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.

      Beamtime Scheduler The beamline staff member responsible for coordination of beamline schedule every trimester. Contact for questions about beamtime scheduling.

      Beamline Phone

  • Instrumentation
    • Beamline Characteristics

      Energy RangeMono Crystal or GratingResolution (ΔE/E)FluxSpot Size (mm)Total Angular Acceptance (mrad)
      1-8 keV Si(111), InSb, Beryl, Quartz 10^-4 for Si(111) up to 10^12 ph/sec calculated for 500mA tunable 1-100 microns 2.5 mrad H x 0.4 mrad V
      Helium sample environment

      Source Type
      Dipole Bend Magnet

      Optical System
      A pair of mirrors with adjustable pitch for vertical collimation and harmonic rejection; a double-crystal monochromator; a toroidal focusing mirror for sub-mm spot size; a custom KB mirror system for microbeam.

      Experimental Apparatus
      Helium sample environment with Ge and Vortex fluorescence detectors, I-zero and transmission ion chambers, feedthroughs for in-situ electrochemistry; catalysis sample environment under development.

      Computer System Hardware & Software
      User interface for collection of on-the-fly images and step or on-the-fly energy scanning for standard or quick XAS.

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