3 March 2003 GREAT: The German Receiver for Astronomy at Terahertz Frequencies
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Abstract
GREAT - a heterodyne instrument for high-resolution spectroscopy aboard SOFIA is developed by a consortium of German research institutes. The first-light configuration will allow parallel observations in two far-infrared frequency bands. We will have a choice of back-ends, including a broad-band acousto-optical array and a high-resolution chirp transform spectrometer. We describe the structural and quasi-optical design of the receiver, update on the front-end and back-end developments and discuss the data acquisition system.
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Rolf Guesten, Rolf Guesten, Ivan Camara, Ivan Camara, Paul Hartogh, Paul Hartogh, Heinz-Wilhelm Huebers, Heinz-Wilhelm Huebers, Urs U. Graf, Urs U. Graf, Karl Jacobs, Karl Jacobs, Christoph Kasemann, Christoph Kasemann, Hans-Peter Roeser, Hans-Peter Roeser, Rudolf T. Schieder, Rudolf T. Schieder, Gert Schnieder, Gert Schnieder, Oliver Sievertz, Oliver Sievertz, Juergen Stutzki, Juergen Stutzki, Geronimo Villanueva, Geronimo Villanueva, Armin Wagner, Armin Wagner, Peter van der Wal, Peter van der Wal, Achim Wunsch, Achim Wunsch, } "GREAT: The German Receiver for Astronomy at Terahertz Frequencies", Proc. SPIE 4857, Airborne Telescope Systems II, (3 March 2003); doi: 10.1117/12.458820; https://doi.org/10.1117/12.458820
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