AMBRE: A COMPACT INSTRUMENT TO MEASURE THERMAL IONS, ELECTRONS AND ELECTROSTATIC CHARGING ONBOARD SPACECRAFT

Abstract : The Active Monitor Box of Electrostatic Risks (AMBER) is a double-head thermal electron and ion electrostatic analyzer (energy range 0-30 keV) that was launched onboard the Jason-3 spacecraft in 2016. The next generation AMBER instrument, for which a first prototype was developed and then calibrated at the end of 2017, constitutes a significant evolution that is based on a single head to measure both species alternatively. The instrument developments focused on several new subsystems (front-end electronics, high-voltage electronics, mechanical design) that permit to reduce instrument resources down to ~ 1 kg and 1.5 W. AMBER is designed as a generic radiation monitor with a twofold purpose: (1) measure magnetospheric thermal ion and electron populations in the range 0-35 keV, with significant scientific potential (e.g., plasmasphere, ring current, plasma sheet), and (2) monitor spacecraft electrostatic charging and the plasma populations responsible for it, for electromagnetic cleanliness and operational purposes.
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Submitted on : Wednesday, November 6, 2019 - 6:01:14 PM
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B. Lavraud, A Cara, D. Payan, Y Ballot, J.-A Sauvaud, et al.. AMBRE: A COMPACT INSTRUMENT TO MEASURE THERMAL IONS, ELECTRONS AND ELECTROSTATIC CHARGING ONBOARD SPACECRAFT. ESA Workshop on Aerospace EMC (Aerospace EMC) 2019, May 2019, Budapest, Hungary. ⟨hal-02352322⟩

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