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Proceedings Paper

SPICE EUV spectrometer for the Solar Orbiter mission
Author(s): A. Fludra; D. Griffin; M. Caldwell; P. Eccleston; J. Cornaby; D. Drummond; W. Grainger; P. Greenway; T. Grundy; C. Howe; C. McQuirk; K. Middleton; O. Poyntz-Wright; A. Richards; K. Rogers; C. Sawyer; B. Shaughnessy; S. Sidher; I. Tosh; S. Beardsley; G. Burton; A. Marshall; N. Waltham; S. Woodward; T. Appourchaux; A. Philippon; F. Auchere; E. Buchlin; A. Gabriel; J.-C. Vial; U. Schühle; W. Curdt; D. Innes; S. Meining; H. Peter; S. Solanki; L. Teriaca; M. Gyo; V. Büchel; M. Haberreiter; D. Pfiffner; W. Schmutz; M. Carlsson; S. V. Haugan; J. Davila; P. Jordan; W. Thompson; D. Hassler; B. Walls; C. Deforest; J. Hanley; J. Johnson; P. Phelan; L. Blecha; H. Cottard; G. Paciotti; N. Autissier; Y. Allemand; K. Relecom; G. Munro; A. Butler; R. Klein; A. Gottwald
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Paper Abstract

SPICE is a high resolution imaging spectrometer operating at extreme ultraviolet wavelengths, 70.4 – 79.0 nm and 97.3 - 104.9 nm. It is a facility instrument on the Solar Orbiter mission. SPICE will address the key science goals of Solar Orbiter by providing the quantitative knowledge of the physical state and composition of the plasmas in the solar atmosphere, in particular investigating the source regions of outflows and ejection processes which link the solar surface and corona to the heliosphere. By observing the intensities of selected spectral lines and line profiles, SPICE will derive temperature, density, flow and composition information for the plasmas in the temperature range from 10,000 K to 10MK. The instrument optics consists of a single-mirror telescope (off-axis paraboloid operating at near-normal incidence), feeding an imaging spectrometer. The spectrometer is also using just one optical element, a Toroidal Variable Line Space grating, which images the entrance slit from the telescope focal plane onto a pair of detector arrays, with a magnification of approximately x5. Each detector consists of a photocathode coated microchannel plate image intensifier, coupled to active-pixel-sensor (APS). Particular features of the instrument needed due to proximity to the Sun include: use of dichroic coating on the mirror to transmit and reject the majority of the solar spectrum, particle-deflector to protect the optics from the solar wind, and use of data compression due to telemetry limitations.

Paper Details

Date Published: 26 September 2013
PDF: 15 pages
Proc. SPIE 8862, Solar Physics and Space Weather Instrumentation V, 88620F (26 September 2013); doi: 10.1117/12.2027581
Show Author Affiliations
A. Fludra, STFC Rutherford Appleton Lab. (United Kingdom)
D. Griffin, STFC Rutherford Appleton Lab. (United Kingdom)
M. Caldwell, STFC Rutherford Appleton Lab. (United Kingdom)
P. Eccleston, STFC Rutherford Appleton Lab. (United Kingdom)
J. Cornaby, STFC Rutherford Appleton Lab. (United Kingdom)
D. Drummond, STFC Rutherford Appleton Lab. (United Kingdom)
W. Grainger, STFC Rutherford Appleton Lab. (United Kingdom)
P. Greenway, STFC Rutherford Appleton Lab. (United Kingdom)
T. Grundy, STFC Rutherford Appleton Lab. (United Kingdom)
C. Howe, STFC Rutherford Appleton Lab. (United Kingdom)
C. McQuirk, STFC Rutherford Appleton Lab. (United Kingdom)
K. Middleton, STFC Rutherford Appleton Lab. (United Kingdom)
O. Poyntz-Wright, STFC Rutherford Appleton Lab. (United Kingdom)
A. Richards, STFC Rutherford Appleton Lab. (United Kingdom)
K. Rogers, STFC Rutherford Appleton Lab. (United Kingdom)
C. Sawyer, STFC Rutherford Appleton Lab. (United Kingdom)
B. Shaughnessy, STFC Rutherford Appleton Lab. (United Kingdom)
S. Sidher, STFC Rutherford Appleton Lab. (United Kingdom)
I. Tosh, STFC Rutherford Appleton Lab. (United Kingdom)
S. Beardsley, STFC Rutherford Appleton Lab. (United Kingdom)
G. Burton, STFC Rutherford Appleton Lab. (United Kingdom)
A. Marshall, STFC Rutherford Appleton Lab. (United Kingdom)
N. Waltham, STFC Rutherford Appleton Lab. (United Kingdom)
S. Woodward, STFC Rutherford Appleton Lab. (United Kingdom)
T. Appourchaux, Institut d'Astrophysique Spatiale (France)
A. Philippon, Institut d'Astrophysique Spatiale (France)
F. Auchere, Institut d'Astrophysique Spatiale (France)
E. Buchlin, Institut d'Astrophysique Spatiale (France)
A. Gabriel, Institut d'Astrophysique Spatiale (France)
J.-C. Vial, Institut d'Astrophysique Spatiale (France)
U. Schühle, Max-Planck-Institut für Sonnensystemforschung (Germany)
W. Curdt, Max-Planck-Institut für Sonnensystemforschung (Germany)
D. Innes, Max-Planck-Institut für Sonnensystemforschung (Germany)
S. Meining, Max-Planck-Institut für Sonnensystemforschung (Germany)
H. Peter, Max-Planck-Institut für Sonnensystemforschung (Germany)
S. Solanki, Max-Planck-Institut für Sonnensystemforschung (Germany)
L. Teriaca, Max-Planck-Institut für Sonnensystemforschung (Germany)
M. Gyo, Physikalisch-Meteorologisches Observatorium Davos (Switzerland)
V. Büchel, Physikalisch-Meteorologisches Observatorium Davos (Switzerland)
M. Haberreiter, Physikalisch-Meteorologisches Observatorium Davos (Switzerland)
D. Pfiffner, Physikalisch-Meteorologisches Observatorium Davos (Switzerland)
W. Schmutz, Physikalisch-Meteorologisches Observatorium Davos (Switzerland)
M. Carlsson, Univ. of Oslo (Norway)
S. V. Haugan, Univ. of Oslo (Norway)
J. Davila, NASA Goddard Space Flight Ctr. (United States)
P. Jordan, NASA Goddard Space Flight Ctr. (United States)
W. Thompson, NASA Goddard Space Flight Ctr. (United States)
D. Hassler, Southwest Research Institute (United States)
B. Walls, Southwest Research Institute (United States)
C. Deforest, Southwest Research Institute (United States)
J. Hanley, Southwest Research Institute (United States)
J. Johnson, Southwest Research Institute (United States)
P. Phelan, Southwest Research Institute (United States)
L. Blecha, Almatech (Switzerland)
H. Cottard, Almatech (Switzerland)
G. Paciotti, Almatech (Switzerland)
N. Autissier, APCO Technologies (Switzerland)
Y. Allemand, APCO Technologies (Switzerland)
K. Relecom, APCO Technologies (Switzerland)
G. Munro, ESR Technology Ltd. (United Kingdom)
A. Butler, ESR Technology Ltd. (United Kingdom)
R. Klein, Physikalisch-Technische Bundesanstalt (Germany)
A. Gottwald, Physikalisch-Technische Bundesanstalt (Germany)


Published in SPIE Proceedings Vol. 8862:
Solar Physics and Space Weather Instrumentation V
Silvano Fineschi; Judy Fennelly, Editor(s)

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