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SuperCam Calibration Targets: Design and Development

J. Manrique 1 G. Lopez-Reyes 1 A. Cousin 2 F. Rull 1 S. Maurice 2 R. Wiens 3 M. Madsen 4 J. Madariaga 5 O. Gasnault 2 J. Aramendia 5 G. Arana 5 P. Beck 6 S. Bernard 7 P. Bernardi 8 M. Bernt 4 A. Berrocal 9 O. Beyssac 7 P. Caïs 10 C. Castro 11 K. Castro 5 S. Clegg 3 E. Cloutis 12 G. Dromart 13 C. Drouet 14 B. Dubois 15 D. Escribano 16 C. Fabre 17 A. Fernandez 11 O. Forni 2 V. Garcia-Baonza 18 I. Gontijo 19 J. Johnson 20 J. Laserna 21 J. Lasue 2 S. Madsen 19 E. Mateo-Marti 22 J. Medina 1 P.-Y. Meslin 2 G. Montagnac 13 A. Moral 16 J. Moros 21 A. Ollila 3 C. Ortega 11 O. Prieto-Ballesteros 22 J. Reess 8 S. Robinson 3 J. Rodriguez 9 J. Saiz 1 J. Sanz-Arranz 1 I. Sard 11 V. Sautter 7 P. Sobron M. Toplis 15 M. Veneranda 1
Abstract : SuperCam is a highly integrated remote-sensing instrumental suite for NASA’s Mars 2020 mission. It consists of a co-aligned combination of Laser-Induced Breakdown Spectroscopy (LIBS), Time-Resolved Raman and Luminescence (TRR/L), Visible and Infrared Spectroscopy (VISIR), together with sound recording (MIC) and high-magnification imaging techniques (RMI). They provide information on the mineralogy, geochemistry and mineral context around the Perseverance Rover. The calibration of this complex suite is a major challenge. Not only does each technique require its own standards or references, their combination also introduces new requirements to obtain optimal scientific output. Elemental composition, molecular vibrational features, fluorescence, morphology and texture provide a full picture of the sample with spectral information that needs to be co-aligned, correlated, and individually calibrated. The resulting hardware includes different kinds of targets, each one covering different needs of the instrument. Standards for imaging calibration, geological samples for mineral identification and chemometric calculations or spectral references to calibrate and evaluate the health of the instrument, are all included in the SuperCam Calibration Target (SCCT). The system also includes a specifically designed assembly in which the samples are mounted. This hardware allows the targets to survive the harsh environmental conditions of the launch, cruise, landing and operation on Mars during the whole mission. Here we summarize the design, development, integration, verification and functional testing of the SCCT. This work includes some key results obtained to verify the scientific outcome of the SuperCam systems.
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J. Manrique, G. Lopez-Reyes, A. Cousin, F. Rull, S. Maurice, et al.. SuperCam Calibration Targets: Design and Development. Space Science Reviews, Springer Verlag, 2020, 216 (8), pp.138. ⟨10.1007/s11214-020-00764-w⟩. ⟨hal-03048873⟩

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