Airborne heterodyne receiver for the range 600 GHz to 3,000 GHz

Details Airborne heterodyne receiver for the range 600 GHz to 3,000 GHz Airborne heterodyne receiver for the range 600 GHz to 3,000 GHz

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..369r&link_type=abstract

In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 369-373 (SEE N91-21986 13-89)

Physics

Optics

Acousto-Optics, Aircraft Instruments, Photoacoustic Spectroscopy, Submillimeter Waves, Superheterodyne Receivers, Amplifiers, C-141 Aircraft, Heterodyning, Kuiper Airborne Observatory, Resolution

Scientific paper

The heterodyne receiver system used aboard the Kuiper Airborne Observatory is described. High resolution detections of CO(J = 7-6, 9-8, 11-10, 12-11 and 14-13), are presented. The down converted signal is amplified by low noise amplifiers and decomposed by an acousto-optical spectrometer. The spectrometer has a maximum bandwidth of 1200 MHz with a resolution of 1.8 MHz. At 3000 GHz, this yields an instantaneous velocity range of 150 km/sec with a resolution of 0.2 km/sec.

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