Superconducting tunnel detectors in radio astronomy

Details Superconducting tunnel detectors in radio astronomy Superconducting tunnel detectors in radio astronomy

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sciam.254...97p&link_type=abstract

Scientific American (ISSN 0036-8733), vol. 254, May 1986, p. 97-102.

Astronomy and Astrophysics

Astronomy

Electron Tunneling, Millimeter Waves, Molecular Clouds, Radiation Detectors, Radio Astronomy, Radio Telescopes, Superconductors, Microwave Interferometers, Microwave Sensors, Radio Antennas

Scientific paper

The development and capabilities of a superconducting tunnel detector for use in radio astronomy are analyzed. The detector consists of a thin layer of insulating material inserted between two superconductors and its measures abundances of molecular species and motion of molecules. The operation of the detector which is related to electron tunneling is described. The use of a small feed antenna to focus the radio waves from a telescope with a diameter of 10 m to the superconducting tunnel junction is examined. The application of millimeter-wave interferometers to radio astronomy is studied.

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