VLTI Instrumentation

• MIDI: The Mid-Infrared (8-13 mm) 2-way beam combiner
  Spectral resolution R=30 (prism), R=230 (grism).
• AMBER: The Near-Infrared (J, H, K; 1-2.5 mm) 3-way beam combiner
  Spectal resolution R=30 (low resolution), 1500 (medium r.), 12000 (high r.).
• PRIMA: The Instrument for Phase-Referenced Imaging and Microarcsecond Astrometry
• VINCI: The VLT Interferometer Commissionning Instrument.K-band (decommissioned)