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Beamline U4IR

  • General Information

    • Source Type
      Bending magnet, 1.91 meter radius

      Status
      Diagnostic and Instrumentation

      General User Beamtime
      0%

      Energy Range Category
      Infrared

      Energy Range
      2 meV to 2.0 eV

      Beamline Type
      Facility Beamline

      Technique(s)
      Infrared microspectroscopy
      Infrared transmission and reflection spectroscopy
      Time-resolved spectroscopy

      Research Types
      Development of new instrumentation and beamline systems for eventual implementation at Operating IR beamlines. Optical development for microscopy and high-field magnets, beam stabilization, ellipsometry, etc.
  • 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.
      G Carr, Brookhaven National Laboratory, carr@bnl.gov, 344-2237

      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.
      Qing-Yi Dong, Brookhaven National Laboratory, qdong@bnl.gov, 344-5358
      Randy Smith, Brookhaven National Laboratory, rsmith@bnl.gov, 344-8033

      Beamtime Scheduler The beamline staff member responsible for coordination of beamline schedule every trimester. Contact for questions about beamtime scheduling.
      G Carr, Brookhaven National Laboratory, carr@bnl.gov, 344-2237

      Beamline Phone
      631-344-3634

  • Instrumentation

    • Beamline Characteristics

      Energy RangeMono Crystal or GratingResolution (ΔE/E)FluxSpot Size (mm)Total Angular Acceptance (mrad)
      2 meV to 2.5 eV Interferometer (temporary) 0.03 meV Brightness 100X-1000X that of 1200K thermal source Diffraction limited 90H x 90V

      Source Type
      Bending magnet, 1.91 meter radius

      Optical System
      90mrad by 90mrad collection and beam transfer optics based on matched ellipsoidal pair to produce 1:1 image of source through 11mm aperture diamond window.

      Experimental Apparatus
      Bruker 66v FTIR spectrometer with full complement of detectors and beamsplitters (temporary) Developing spectroscopic ellipsometer systems (A. Sirenko / NJIT) to become available in 2011 through the U12IR General User Program. Oxford Spectromag 10T magnet and cryostat (under development)
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