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Title: Cryogenic amplifier based receivers at submillimeter wavelengths
Authors: Chattopadhyay, Goutam
Reck, Theodore and
Schlecht, Erich
Lin, Robert
Deal, William
Keywords: astrophysics instrumentation
planetary science instruments
cryogenically cooled superconductorinsulator- superconductor (SIS)
Issue Date: 23-Sep-2012
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012.
Citation: 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Wollongong, Australia, September 23-28 , 2012
Abstract: The operating frequency of InP high electron mobility transistor (HEMT) based amplifiers has moved well in the submillimeter-wave frequencies over the last couple of years. Working amplifiers with usable gain in waveguide packages has been reported beyond 700 GHz. When cooled cryogenically, they have shown substantial improvement in their noise temperature. This has opened up the real possibility of cryogenic amplifier based heterodyne receivers at submillimeter wavelengths for ground-based, air-borne, and space-based instruments for strophysics, planetary, and Earth science applications. This paper provides an overview of the science applications at submillimeter wavelengths that will benefit from this technology. It also describes the current state of the InP HEMT based cryogenic amplifier receivers at submillimeter wavelengths.
Appears in Collections:JPL TRS 1992+

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