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Proceedings Paper

Development of imaging arrays for solar UV observations based on wide band gap materials
Author(s): Udo H. Schuehle; Jean-Francois E. Hochedez; Jose Luis Pau; Carlos Rivera; Elias Munoz; Jose Alvarez; Jean-Paul Kleider; Philippe Lemaire; Thierry Appourchaux; Bernhard Fleck; Anthony Peacock; Mathias Richter; Udo Kroth; Alexander Gottwald; Marie-Claude Castex; Alain Deneuville; Pierre Muret; Milos Nesladek; Franck Omnes; Joachim John; Chris Van Hoof
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Paper Abstract

Solar ultraviolet imaging instruments in space pose most demanding requirements on their detectors in terms of dynamic range, low noise, high speed, and high resolution. Yet UV detectors used on missions presently in space have major drawbacks limiting their performance and stability. In view of future solar space missions we have started the development of new imaging array devices based on wide band gap materials (WBGM), for which the expected benefits of the new sensors - primarily visible blindness and radiation hardness - will be highly valuable. Within this initiative, called “Blind to Optical Light Detectors (BOLD)”, we have investigated devices made of AlGa-nitrides and diamond. We present results of the responsivity measurements extending from the visible down to extreme UV wavelengths. We discuss the possible benefits of these new devices and point out ways to build new imaging arrays for future space missions.

Paper Details

Date Published: 4 February 2004
PDF: 8 pages
Proc. SPIE 5171, Telescopes and Instrumentation for Solar Astrophysics, (4 February 2004); doi: 10.1117/12.507730
Show Author Affiliations
Udo H. Schuehle, Max-Planck-Institut fuer Aeronomie (Germany)
Jean-Francois E. Hochedez, Royal Observatory of Belgium (Belgium)
Jose Luis Pau, Univ. Politecnica de Madrid (Spain)
Carlos Rivera, Univ. Politecnica de Madrid (Spain)
Elias Munoz, Univ. Politecnica de Madrid (Spain)
Jose Alvarez, Lab. de Genie Electrique de Paris (France)
Jean-Paul Kleider, Lab. de Genie Electrique de Paris (France)
Philippe Lemaire, Institut d'Astrophysique Spatiale (France)
Thierry Appourchaux, European Space Agency/ESTEC (Netherlands)
Bernhard Fleck, European Space Agency/ESTEC (Netherlands)
Anthony Peacock, European Space Agency/ESTEC (Netherlands)
Mathias Richter, Physikalisch-Technische Bundesanstalt (Germany)
Udo Kroth, Physikalisch-Technische Bundesanstalt (Germany)
Alexander Gottwald, Physikalisch-Technische Bundesanstalt (Germany)
Marie-Claude Castex, Univ. Paris-Nord (France)
Alain Deneuville, LEPES-CNRS (France)
Pierre Muret, LEPES-CNRS (France)
Milos Nesladek, Institute for Materials Research (Belgium)
Franck Omnes, CRHEA-CNRS (France)
Joachim John, IMEC (Belgium)
Chris Van Hoof, IMEC (Belgium)


Published in SPIE Proceedings Vol. 5171:
Telescopes and Instrumentation for Solar Astrophysics
Silvano Fineschi; Mark A. Gummin, Editor(s)

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