High-resolution X-ray detectors with high-speed SQUID readout of superconducting tunnel junctions

Matthias Frank, C. A. Mears, S. E. Labov, F. Azgui, M. A. Lindeman, L. J. Hiller, H. Netel, A. Barfknecht

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

We present our first results obtained using new high-speed SQUID systems for the readout of normal conductor/insulator/ superconductor (NIS) and superconductor/insulator/superconductor (SIS) tunnel junctions. With an NIS device measured with a HYPRES SQUID we have achieved an energy resolution of 100 eV (FWHM) for 5.89 keV X-rays and an electronic noise of 40 eV at an operating temperature of 80 mK. With an SIS sensor at 200 mK and the same readout we have achieved an energy resolution of 29 eV (FWHM) at 5.89 keV and an electronic noise of 10 eV.

Original languageEnglish (US)
Pages (from-to)41-43
Number of pages3
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume370
Issue number1
DOIs
StatePublished - Feb 11 1996
Externally publishedYes

Fingerprint

SIS (superconductors)
Tunnel junctions
SQUIDs
tunnel junctions
Superconducting materials
readout
conductors
high speed
insulators
Detectors
X rays
high resolution
detectors
operating temperature
electronics
x rays
Full width at half maximum
energy
sensors
Sensors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

High-resolution X-ray detectors with high-speed SQUID readout of superconducting tunnel junctions. / Frank, Matthias; Mears, C. A.; Labov, S. E.; Azgui, F.; Lindeman, M. A.; Hiller, L. J.; Netel, H.; Barfknecht, A.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 370, No. 1, 11.02.1996, p. 41-43.

Research output: Contribution to journalArticle

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