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The SuperCam Instrument Suite on the NASA Mars 2020 Rover: Body Unit and Combined System Tests

Roger Wiens 1 Sylvestre Maurice 2 Scott Robinson 1 Anthony Nelson 1 Philippe Cais 3 Pernelle Bernardi 4 Raymond Newell 1 Sam Clegg 1 Shiv Sharma 5 Steven Storms 1 Jonathan Deming 1 Darrel Beckman 1 Ann Ollila 1 Olivier Gasnault 2 Ryan Anderson 6 Yves André 7 S. Michael Angel 8 Gorka Arana 9 Elizabeth Auden 1 Pierre Beck 10 Joseph Becker 1 Karim Benzerara 11 Sylvain Bernard 11 Olivier Beyssac 11 Louis Borges 1 Bruno Bousquet 12 Kerry Boyd 1 Michael Caffrey 1 Jeffrey Carlson 13 Kepa Castro 9 Jorden Celis 1 Baptiste Chide 2, 14 Kevin Clark 13 Edward Cloutis 15 Elizabeth Cordoba 13 Agnes Cousin 2 Magdalena Dale 1 Lauren Deflores 13 Dorothea Delapp 1 Muriel Deleuze 7 Matthew Dirmyer 1 Christophe Donny 7 Gilles Dromart 16 M. George Duran 1 Miles Egan 5 Joan Ervin 13 Cécile Fabre 17 Amaury Fau 11 Woodward Fischer 18 Olivier Forni 2 Thierry Fouchet 4 Reuben Fresquez 1 Jens Frydenvang 19 Denine Gasway 1 Ivair Gontijo 13 John Grotzinger 18 Xavier Jacob 20 Sophie Jacquinod 4 Jeffrey Johnson 21 Roberta Klisiewicz 1 James Lake 1 Nina Lanza 1 Javier Laserna 22 Jeremie Lasue 2 Stéphane Le Mouélic 23 Carey Legett Iv 1 Richard Leveille 24 Eric Lewin 10 Guillermo Lopez-Reyes 25 Ralph Lorenz 21 Eric Lorigny 7 Steven Love 1 Briana Lucero 1 Juan Manuel Madariaga 9 Morten Madsen 13 Soren Madsen 13 Nicolas Mangold 23 Jose Antonio Manrique 25 J. P. Martinez 1 Jesus Martinez-Frias 26 Kevin Mccabe 1 Timothy Mcconnochie 27 Justin Mcglown 1 Scott Mclennan 28 Noureddine Melikechi 29 Pierre-Yves Meslin 2 John Michel 1 David Mimoun 14 Anupam Misra 5 Gilles Montagnac 16 Franck Montmessin 30 Valerie Mousset 7 Naomi Murdoch 14 Horton Newsom 31 Logan Ott 1 Zachary Ousnamer 13 Laurent Pares 2 Yann Parot 2 Rafal Pawluczyk C. Glen Peterson 1 Paolo Pilleri 2 Patrick Pinet 2 Gabriel Pont 7 François Poulet 32 Cheryl Provost 33 Benjamin Quertier 3 Heather Quinn 1 William Rapin 11 Jean-Michel Reess 4 Amy Regan 1 Adriana Reyes-Newell 1 Philip Romano 13 Clément Royer 32 Fernando Rull 25 Benigno Sandoval 1 Joseph Sarrao 1 Violaine Sautter 11 Marcel Schoppers 13 Susanne Schröder 34 Daniel Seitz 1 Terra Shepherd 1 Pablo Sobron 35 Bruno Dubois 36 Vishnu Sridhar 13 Michael Toplis 2 Imanol Torre-Fdez 9 Ian Trettel 13 Mark Underwood 13 Andres Valdez 1 Jacob Valdez 1 Dawn Venhaus 1 Peter Willis 13
23 LPG-ANGERS - Laboratoire de Planétologie et Géodynamique - Angers
LPG - Laboratoire de Planétologie et Géodynamique [UMR 6112]
LATMOS - Laboratoire Atmosphères, Milieux, Observations Spatiales
Abstract : TheSuperCaminstrumentsuiteprovidestheMars2020rover,Perseverance,with a number of versatile remote-sensing techniques that can be used at long distance as well as within the robotic-arm workspace. These include laser-induced breakdown spectroscopy (LIBS), remote time-resolved Raman and luminescence spectroscopies, and visible and in- frared (VISIR; separately referred to as VIS and IR) reflectance spectroscopy. A remote micro-imager (RMI) provides high-resolution color context imaging, and a microphone can be used as a stand-alone tool for environmental studies or to determine physical properties of rocks and soils from shock waves of laser-produced plasmas. SuperCam is built in three parts: The mast unit (MU), consisting of the laser, telescope, RMI, IR spectrometer, and associated electronics, is described in a companion paper. The on-board calibration targets are described in another companion paper. Here we describe SuperCam’s body unit (BU) and testing of the integrated instrument. The BU, mounted inside the rover body, receives light from the MU via a 5.8 m opti- cal fiber. The light is split into three wavelength bands by a demultiplexer, and is routed via fiber bundles to three optical spectrometers, two of which (UV and violet; 245–340 and 385–465 nm) are crossed Czerny-Turner reflection spectrometers, nearly identical to their counterparts on ChemCam. The third is a high-efficiency transmission spectrometer contain- ing an optical intensifier capable of gating exposures to 100 ns or longer, with variable delay times relative to the laser pulse. This spectrometer covers 535–853 nm (105–7070 cm−1 Ra- man shift relative to the 532 nm green laser beam) with 12 cm−1 full-width at half-maximum peak resolution in the Raman fingerprint region. The BU electronics boards interface with the rover and control the instrument, returning data to the rover. Thermal systems maintain a warm temperature during cruise to Mars to avoid contamination on the optics, and cool the detectors during operations on Mars. Results obtained with the integrated instrument demonstrate its capabilities for LIBS, for which a library of 332 standards was developed. Examples of Raman and VISIR spec- troscopy are shown, demonstrating clear mineral identification with both techniques. Lumi- nescence spectra demonstrate the utility of having both spectral and temporal dimensions. Finally, RMI and microphone tests on the rover demonstrate the capabilities of these sub- systems as well.
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Submitted on : Thursday, December 24, 2020 - 6:46:15 PM
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Roger Wiens, Sylvestre Maurice, Scott Robinson, Anthony Nelson, Philippe Cais, et al.. The SuperCam Instrument Suite on the NASA Mars 2020 Rover: Body Unit and Combined System Tests. Space Science Reviews, Springer Verlag, 2021, 217 (1), pp.4. ⟨10.1007/s11214-020-00777-5⟩. ⟨insu-03088041⟩



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