20 July 2016 A 2 THz Schottky solid-state heterodyne receiver for atmospheric studies
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Abstract
Obtaining temperature, pressure, and composition profiles along with wind velocities in the Earth’s thermosphere/ionosphere system is a key NASA goal for understanding our planet. We report on the status of a technology development effort to build an all-solid-state heterodyne receiver at 2.06 THz that will allow the measurement of the 2.06 THz [OI] line for altitudes greater than 100 km. The receiver front end features low-parasitic Schottky diode mixer chips that are driven by a local oscillator (LO) source using Schottky diode based multipliers. The multiplier chain consists of a 38 GHz oscillator followed by a set of three cascaded triplers at 114 GHz, 343 GHz and 1.03 THz.
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Jeanne Treuttel, Erich Schlecht, Jose Siles, Choonsup Lee, Robert Lin, Bertrand Thomas, David Gonzalez-Olvero, Jeng-Hwa Yee, Dong Wu, Imran Mehdi, "A 2 THz Schottky solid-state heterodyne receiver for atmospheric studies", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99141O (20 July 2016); doi: 10.1117/12.2233744; https://doi.org/10.1117/12.2233744
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