Superconducting bolometer array with SQUID readout for submillimetre wavelength detection

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Published 5 November 2003 • 2003 IOP Publishing Ltd
, , Citation T May et al 2003 Supercond. Sci. Technol. 16 1430 DOI 10.1088/0953-2048/16/12/024

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Author affiliations

1 Ruhr-Universität Bochum, Astronomisches Institut, Universitätsstr. 150, D-44780 Bochum, Germany

2 Institute for Physical High Technology (IPHT), Winzerlaer Str. 10, D-07752 Jena, Germany

3 Max-Planck Institute for Radioastronomy, Bonn, Germany

Dates

  1. Received 17 July 2003
  2. Published

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0953-2048/16/12/1430

Abstract

We have tested a fully microfabricated superconducting bolometer array for astrophysical observations at submillimetre wavelengths. The system is cooled by a 3He sorption refrigerator operating in a pumped 4He cryostat. The transition edge bolometer uses a bilayer of molybdenum and a gold–palladium alloy with a transition temperature of around 500 mK as the thermometer. The bolometer is voltage biased, and the current is measured by a superconducting quantum interference device (SQUID) ammeter.

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10.1088/0953-2048/16/12/024