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Proceedings Article

New UV detectors for solar observations

[+] Author Affiliations
Jean-Francois E. Hochedez

Royal Observatory of Belgium (Belgium)

Udo H. Schuehle

Max-Planck-Institut fuer Aeronomie (Germany)

Jose L. Pau, E. Monroy, Elias Munoz

Univ. Politecnica de Madrid (Spain)

Jose Alvarez, Jean Paul Kleider

Lab. de Genie Electrique de Paris (France)

Olivier Hainaut, Philippe Lemaire

Institut d'Astrophysique Spatiale (France)

Thierry P. Appourchaux, Anthony J. Peacock

European Space Agency/ESTEC (Netherlands)

F. D. Auret

Univ. of Pretoria (South Africa)

Andrei Belsky

Ctr. Lasers Intense et Applications (France)

Philippe Bergonzo

CEA-LIST (LETI) Saclay (France)

M. C. Castex, Elie Lefeuvre

Lab. de Physique de Laser Villetanneuse (France)

A. Deneuville

Lab. d'Etudes des Proprietes Electroniques des Solides (France)

Pierre Dhez, Mourad Idir

LURE (France) and LIXAM (France)

Bernhard Fleck

NASA Goddard Space Flight Ctr. (USA)

Ken Haenen, Milos Nesladek

Institute for Material Research (Belgium)

P. Muret

Lab. d'Etudes des Proprietes Electroniniques des Solides (France)

Franck Omnes

CRHEA/CNRS (France)

Emanuele Pace

Univ. degli Studi di Firenze (Italy)

Chris A. Van Hoof

IMEC (Belgium)

Proc. SPIE 4853, Innovative Telescopes and Instrumentation for Solar Astrophysics, 419 (February 1, 2003); doi:10.1117/12.460367
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From Conference Volume 4853

  • Innovative Telescopes and Instrumentation for Solar Astrophysics
  • Stephen L. Keil; Sergey V. Avakyan
  • Waikoloa, Hawai'i, United States | August 22, 2002

abstract

BOLD (Blind to the Optical Light Detectors) is an international initiative dedicated to the development of novel imaging detectors for UV solar observations. It relies on the properties of wide bandgap materials (in particular diamond and Al-Ga-nitrides). The investigation is proposed in view of the Solar Orbiter (S.O.) UV instruments, for which the expected benefits of the new sensors -primarily visible blindness and radiation hardness- will be highly valuable. Despite various advances in the technology of imaging detectors over the last decades, the present UV imagers based on silicon CCDs or microchannel plates exhibit limitations inherent to their actual material and technology. Yet, the utmost spatial resolution, fast temporal cadence, sensitivity, and photometric accuracy will be decisive for the forthcoming solar space missions. The advent of imagers based on wide-bandgap materials will permit new observations and, by simplifying their design, cheaper instruments. As for the Solar Orbiter, the aspiration for wide-bandgap material (WBGM) based UV detectors is still more sensible because the spacecraft will approach the Sun where the heat and the radiation fluxes are high. We describe the motivations, and present the program to achieve revolutionary flight cameras within the Solar Orbiter schedule as well as relevant UV measurements.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jean-Francois E. Hochedez ; Udo H. Schuehle ; Jose L. Pau ; Jose Alvarez ; Olivier Hainaut, et al.
"New UV detectors for solar observations", Proc. SPIE 4853, Innovative Telescopes and Instrumentation for Solar Astrophysics, 419 (February 1, 2003); doi:10.1117/12.460367; http://dx.doi.org/10.1117/12.460367


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