SOFIA Heterodyne Instrument Concepts

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SOFIA Heterodyne Instrument Concepts. Band 8.5 or 9.5 SIS FPA Mature junction technology >1 mW LO power available 1000-1400 GHz SIS Near quantum limit 2SB, 68-118 GHz IF HEB FPA 20x quantum limit, narrow IF bandwidth - PowerPoint PPT Presentation

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<p>Millimeter/THz Development at the CDL/NTC</p> <p>1</p> <p>2</p> <p>SOFIA Heterodyne Instrument Concepts3Band 8.5 or 9.5 SIS FPAMature junction technology&gt;1 mW LO power available1000-1400 GHz SIS Near quantum limit2SB, 68-118 GHz IFHEB FPA20x quantum limit, narrow IF bandwidthSpecific lines: e.g. [CII] (158 m) , [OI] (63 m), [NII] (205 m)Cooled Schottky Receiver for ~3 THzSee Erickson poster2x HEB noise temp, but 10-20x IF bandwidth4</p>