A low noise receiver for millimeter and submillimeter wavelengths

Details A low noise receiver for millimeter and submillimeter wavelengths A low noise receiver for millimeter and submillimeter wavelengths

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ijimw...6..697w&link_type=abstract

International Journal of Infrared and Millimeter Waves, Volume 6, Issue 8, pp.697-706

Physics

Optics

33

Mm-Wave, Sub-Mm-Wave, Low-Noise-Receiver, Sis, Quasioptics

Scientific paper

A broadband, low noise heterodyne receiver, suitable for astronomical use, has been built using a Pb alloy superconducting tunnel junction (SIS). The RF coupling is quasioptical via a bowtie antenna on a quartz lens and is accomplished without any tuning elements. In this preliminary version the double sideband receiver noise temperature rises from 205 K at 116 GHz to 375 K at 349 Ghz, and to 815 K at 466 GHz. This is the most versatile and sensitive receiver yet reported for sub-mm wavelengths.

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