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Signal-to-noise ratio improvement of high-temperature superconductor bolometers for cryocooler operation using a thermal compensation principle.

Author(s) : KAISER G., THURK M., SEIDEL P.

Type of article: Article

Summary

The bolometer consisted of two meander-like YBCO structures separated by a distance of 5 mm on a silicon substrate. A two-stage Gifford-McMahon cryocooler with an additional thermostat was used to cool the samples to a temperature of about 88 K, with a 5 milliK fluctuation peak to peak. A factor of 100 improvement in signal-to-noise ratio was achieved during the compensation experiments.

Details

  • Original title: Signal-to-noise ratio improvement of high-temperature superconductor bolometers for cryocooler operation using a thermal compensation principle.
  • Record ID : 1996-2099
  • Languages: English
  • Source: Cryogenics - vol. 35 - n. 7
  • Publication date: 1995/07

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