NASA NTRS · 20230005712
Technology Maturation for Cloud Ice Radiometers
Abstract
Global measurements of ice in clouds, both the amount and particle size distribution, are critically needed to reduce uncertainties in global climate models. The retrieval of this information is best achieved with a range of receiver channels across the submillimeter wave range. Advancement of low noise Indium Phosphide (InP) MMIC amplifier technology to 25-nm gate length enabled us to develop miniature submillimeter-wave receivers for a CubeSat scale instrument that achieves 6 km spatial resolution. We developed the 25-nm InP MMICs and radiometer receivers for 240, 310, 380, 670 GHz. The 25-nm InP MMIC technology was thermal vacuum tested to reduce risk for future space mission.
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Duffy, Maxwell, Cooke, Caitlyn, Mei, Gerry, Nguyen, Khanh, Escorcia, Alfonso, Gorospe, Ben, Leong, Kevin, Zamora, Alex, Deal, William R., Jiang, Jonathan, Hernandez, Erika, Soria, Mary, Bosch, Javier, Ramos, Isaac, Schlecht, Erich, Kangaslahti, Pekka. 2022-01-04. Technology Maturation for Cloud Ice Radiometers. https://ntrs.nasa.gov/citations/20230005712
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