Beamline 22-BM-2

  • General Information
    • Source Type
      Large gap dipole bending magnet

      Construction and Commissioning

      General User Beamtime

      Energy Range Category

      Energy Range
      0.6 meV to 5 eV

      Beamline Type
      Participating Research Team (PRT)

      Beamline Description
      Beamline for infrared and optical spectroscopies, including Mueller-matrix ellipsometry and samples at low temperatures and high magnetic fields . Includes micro-sampling spectroscopy. Spectral range from millimeter waves to near UV.

      Infrared transmission and reflection spectroscopy
      Spectroscopic Ellipsometry
      THz / millimeter wave spectroscopy
      Time-resolved Spectroscopy

  • 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,, 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.

      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)
      0.6 meV to 5 eV (5 cm-1 to 40,000 cm-1) Interferometric Spectrometer (FTIR) 0.2 cm-1 (25 µeV) ~100 mW Diffraction-limited (e.g. 1.2 λ/NA) ~48 mrad (V) by 50 mrad (H)

      Source Type
      Large gap dipole bending magnet

      Optical System
      Aluminized mirror extraction and relay optics

      Experimental Apparatus
      Microscope with cryostat for small samples at low temperatures, 10T magnet cryostat, Mueller-matrix ellipsometer, synchronized Ti:sapphire laser (or similar) for photo-induced and pump-probe spectroscopies

      Computer System Hardware & Software
      PC Workstations with Windows OS

  • Links