Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ijimw..12..859p&link_type=abstract
International Journal of Infrared and Millimeter Waves (ISSN 0195-9271), vol. 12, Aug. 1991, p. 859-884.
Astronomy and Astrophysics
Astronomy
40
Fabry-Perot Interferometers, Far Infrared Radiation, Infrared Astronomy, Infrared Imagery, Calibrating, Data Acquisition, Equipment Specifications, Signal Detection, Spectral Resolution, Spectrometers
Scientific paper
FIFI, an imaging spectrometer with two or three Fabry-Perot interferometers in a series for astronomical observations in the FIR range, is described. Spectral resolutions of 2 km/s can be obtained with FIFI. Design considerations are discussed as well as optics, the detector array, the transimpedance amplifier array, signal demodulation, data acquisition, and instrument control.
Beeman Jeffrey W.
Geis Norbert
Genzel Reinhard
Haggerty Michael
Poglitsch Albrecht
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