Heterodyne spectrometers

Details Heterodyne spectrometers Heterodyne spectrometers

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999inpht..40..207s&link_type=abstract

Infrared Physics & Technology, Volume 40, Issue 3, p. 207-218.

Astronomy and Astrophysics

Astronomy

1

Heterodyne Receivers, Far-Infrared, Astronomy, Atmospheric Physics, Airborne, Spaceborne

Scientific paper

An overview is given on current heterodyne receiver technology and on heterodyne receivers for astronomical and atmospheric science applications. The principle of heterodyne receivers is explained. Technological developments in the fields of THz mixer, local oscillators (LOs) and wideband spectrometers are described. A review on existing airborne and spaceborne heterodyne receivers is given. Finally, possible future THz heterodyne receivers for the ESA-cornerstone FIRST (far-infrared and submillimeter telescope) and the astroplane SOFIA (Stratospheric Observatory for Infrared Astronomy) are outlined.

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