IFU

Integral field units

Observation Spectroscopy
Integral field spectrograph

spectrograph equipped with an integral field unit (IFU)

An integral field spectrograph, or a spectrograph equipped with an integral field unit (IFU), is an optical instrument combining spectrographic and imaging capabilities, used to obtain spatially resolved spectra in astronomy and other fields of research such as bio-medical science and earth observation.

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