Cross-section of HIFI Focal Plane Unit
Date: 19 September 2007
Depicts: Cross-section of the HIFI focal plane unit
Copyright: SRON/Peter Prijs
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Inside the Heterodyne Instrument for the Far Infrared (HIFI) the signal from the telescope (red) is mixed with the signal generated by the onboard local oscillator (yellow).
Last Update: 1 September 2019