High-resolution tunnel junction extreme ultraviolet detectors limited by quasiparticle counting statistics

Stephan Friedrich, Johan B. Le Grand, Lawrence J. Filler, John Kipp, Matthias Frank, Simon E. Labov, Stephen P. Cramer, Andrew T. Barfknecht

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Superconducting tunnel junctions (STJs) can be used as high-resolution high-count rate photon detectors. They are based on the measurement of the excess quasiparticle tunneling current caused by the absorption of a photon in one of the junction electrodes. We have fabricated Nb-AI-AlOx-Al-Nb tunnel junction detectors with different sizes and characterized them in sychrotron experiments. We present a study of the detector performance in the energy band between 5 0 and 1000 eV. For photon energies below 70 eV, the intrinsic device resolution of the best STJ devices agrees with the theoretical limit set by the statistics of the charge generation and tunneling processes.

Original languageEnglish (US)
Pages (from-to)3330-3333
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume9
Issue number2 PART 3
DOIs
StatePublished - Dec 1 1999
Externally publishedYes

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ultraviolet detectors
Ultraviolet detectors
Tunnel junctions
tunnel junctions
counting
Photons
Statistics
statistics
Detectors
high resolution
detectors
photons
Band structure
energy bands
Electrodes
electrodes
Experiments
energy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

High-resolution tunnel junction extreme ultraviolet detectors limited by quasiparticle counting statistics. / Friedrich, Stephan; Le Grand, Johan B.; Filler, Lawrence J.; Kipp, John; Frank, Matthias; Labov, Simon E.; Cramer, Stephen P.; Barfknecht, Andrew T.

In: IEEE Transactions on Applied Superconductivity, Vol. 9, No. 2 PART 3, 01.12.1999, p. 3330-3333.

Research output: Contribution to journalArticle

Friedrich, S, Le Grand, JB, Filler, LJ, Kipp, J, Frank, M, Labov, SE, Cramer, SP & Barfknecht, AT 1999, 'High-resolution tunnel junction extreme ultraviolet detectors limited by quasiparticle counting statistics', IEEE Transactions on Applied Superconductivity, vol. 9, no. 2 PART 3, pp. 3330-3333. https://doi.org/10.1109/77.783742
Friedrich, Stephan ; Le Grand, Johan B. ; Filler, Lawrence J. ; Kipp, John ; Frank, Matthias ; Labov, Simon E. ; Cramer, Stephen P. ; Barfknecht, Andrew T. / High-resolution tunnel junction extreme ultraviolet detectors limited by quasiparticle counting statistics. In: IEEE Transactions on Applied Superconductivity. 1999 ; Vol. 9, No. 2 PART 3. pp. 3330-3333.
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