The effect of background radiation on the characteristics of a Josephson detector

Details The effect of background radiation on the characteristics of a Josephson detector The effect of background radiation on the characteristics of a Josephson detector

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981rael...26.1760i&link_type=abstract

Radiotekhnika i Elektronika, vol. 26, Aug. 1981, p. 1760-1764. In Russian.

Astronomy and Astrophysics

Astronomy

Background Radiation, Josephson Junctions, Radiation Detectors, Radio Astronomy, Radiometers, Centimeter Waves, Millimeter Waves, Noise Temperature, Radiation Effects, Sensitivity, Temperature Dependence

Scientific paper

Josephson point-contact detectors can be used to make radio-astronomical measurements of centimeter and millimeter waves. This paper presents an experimental study of the effect of background noise on the characteristics of such a detector. A reduction of the noise temperature from about 300 K to about 10 K significantly improves the sensitivity of the detector. The experimental results agree well with theoretical calculations.

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