Experimental Astronomy

, Volume 16, Issue 3, pp 141–148 | Cite as

Solar-Blind Diamond Detectors for Lyra, the Solar VUV Radiometer on Board Proba II

  • A. Benmoussa
  • J.-F. Hochedez
  • W. K. Schmutz
  • U. SchÜhle
  • M. NeslÁdek
  • Y. Stockman
  • U. Kroth
  • M. Richter
  • A. Theissen
  • Z. Remes
  • K. Haenen
  • V. Mortet
  • S. Koller
  • J. P. Halain
  • R. Petersen
  • M. Dominique
  • M. D’Olieslaeger
Article

Abstract

Fabrication, packaging and experimental results on the calibration of metal-semiconductor-metal (MSM) photodetectors made on diamond are reported. LYRA (Lyman-α RAdiometer onboard PROBA-2) will use diamond detectors for the first time in space for a solar physics instrument. A set of measurement campaigns was designed to obtain the XUV-to-VIS responsivity of the devices and other characterizations. The measurements of responsivity in EUV and VUV spectral ranges (40–240 nm) have been carried out by the Physkalisch-Technische Bundesanstalt (PTB) in Germany at the electron storage ring BESSY II. The longer wavelength range from 210 to 1127 nm was measured with monochromatic light by using a Xe-lamp at IMO-IMOMEC. The diamond detectors exhibit a photoresponse which lie in the 35–65 mA/W range at 200 nm (corresponding to an external quantum efficiency of 20–40%) and indicate a visible rejection ratio (200–500 nm) higher than four orders of magnitude.

Keywords

diamond solar-blind photodetector UV detectors 

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References

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Copyright information

© Springer Science + Business Media, Inc. 2003

Authors and Affiliations

  • A. Benmoussa
    • 1
  • J.-F. Hochedez
    • 1
  • W. K. Schmutz
    • 3
  • U. SchÜhle
    • 2
  • M. NeslÁdek
    • 4
    • 5
  • Y. Stockman
    • 7
  • U. Kroth
    • 6
  • M. Richter
    • 6
  • A. Theissen
    • 1
  • Z. Remes
    • 4
  • K. Haenen
    • 4
    • 5
  • V. Mortet
    • 4
  • S. Koller
    • 3
  • J. P. Halain
    • 7
  • R. Petersen
    • 5
  • M. Dominique
    • 1
  • M. D’Olieslaeger
    • 4
    • 5
  1. 1.Royal Observatory of BelgiumBrusselsBelgium
  2. 2.Max Planck Institut für SonnensystemforschungKatlenburg-LindauGermany
  3. 3.Physikalisch-Meteorologisches Observatorium DavosWorld Radiation CenterDavos DorfSwitzerland
  4. 4.Institute for Materials Research (IMO)Limburgs Universitair CentrumDiepenbeekBelgium
  5. 5.Division IMOMECIMEC vzwDiepenbeekBelgium
  6. 6.Physikalisch-Technische Bundesanstalt (PTB)BerlinGermany
  7. 7.Centre Spatial de LiègeAngleurBelgium

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