Bruker IFS125HR Spectrometer


The beamline (seen on the left) is equiped with a Bruker IFS 125 HR spectrometer with a 9.4 optical pathlength difference (OPD). This spectrometer is capable of achieving resolutions better than 0.001 cm-1. The Bruker IFS 125 HR Spectromter is equpped with the folllowing:

Beamspliters:

  • 75 µm Mylar (~12-35 cm-1)
  • 6 µm Mylar (~30-600 cm-1)
  • Ge/KBr (~400-4800 cm-1)
  • CaF2 (~1850-20000 cm-1)

Sources:

  • Synchrotron
  • Globar
  • Tungsten Lamp
  • Hg Lamp

Detectors:

  • QMC Superconducting Niobium TES Bollometer (~12-650 cm-1)
  • QMC Ge:Cu detector (~330-1300 cm-1)
  • Si Bolometer (~12-335 cm-1)
  • Si Bolometer (~12-650 cm-1)
  • Ge:Cu (~330-1900 cm-1)
  • MCT WD (~450-10000 cm-1)
  • MCT NW (~750-10000 cm-1)
  • InSb (~1850-10000 cm-1)
  • DTGS-Polyethylene Window (15-700 cm-1)
  • DTGS-KRS-5 Window (500-3000 cm-1)

Available Optical Filters:

Bruker IFS125HR

  • 510-1000 cm-1 (BF2)
  • 1600-2090 cm-1 (BF3)
  • 2020-2500 cm-1 (BF4)
  • 2500-3280 cm-1 (BF5)
  • 3200-4150 cm-1 (BF6)
  • 300 cm-1 Low Pass Filter (LPF300)
  • 400 cm-1 Low Pass Filter (LPF400)
  • 500 cm-1 Low Pass Filter (LPF500)
  • 650 cm-1 Low Pass Filter (LPF650)

Ge:Cu Detector (only)

  • 400-750 cm-1 (F1)
  • 315-545 cm-1 (F3)
  • 1100-1700 cm-1 (F4)
  • 1250-1450 cm-1 (F5)
  • 490-1190 cm-1 (F6)