MIDI (MID-infrared Interferometric instrument)


MIDI MIDI is the mid-infrared (N-band = 8 to 13 μm) instrument of the VLT interferometer. It combines two beams (either from the 8.2-m Unit Telescopes or from the 1.8-m Auxiliary Telescopes) to provide visibility moduli in the (u,v) plane. MIDI features spectroscopic optics to provide visibilities at different wavelengths within the N-band.

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