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Superconducting resonator and a cryogenic gallium-arsenic field-effect transistor amplifier as a single-ion detection system.

Author(s) : JEFFERTS S. R., HEAVNER T., HAYES P., DUNN G. H.

Type of article: Article

Summary

The detector operates at a frequency of nominally 900 kilohertz and utilizes a superconducting inductor with high Q (Q more or less 8500) and a cryogenic gallium-arsenic field-effect transistor amplifier with noise temperature less than 0.3 K. Noise measurements of the field-effect transistor are presented along with details of the construction of the superconducting inductor.

Details

  • Original title: Superconducting resonator and a cryogenic gallium-arsenic field-effect transistor amplifier as a single-ion detection system.
  • Record ID : 1994-2118
  • Languages: English
  • Source: Rev. sci. Instrum. - vol. 64 - n. 3
  • Publication date: 1993/03
  • Document available for consultation in the library of the IIR headquarters only.

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