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Freiburg 2024 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 56: Poster VII

Q 56.25: Poster

Donnerstag, 14. März 2024, 17:00–19:00, KG I Foyer

Scenario building for Earth Observation Space Missions Featuring Quantum Sensors — •Gina Kleinsteinberg, Christian Struckmann, Naceur Gaaloul, and for the CARIOQA Consortium — Institute of Quantum Optics, Leibniz University Hanover, Welfengarten 1, 30167 Hanover, Germany

Being extremely sensitive to accelerations and rotations with high stability at low frequencies, atom interferometer configurations offer a versatile approach not only for Fundamental Physics research but also for Earth Observation. The latter is currently gaining more and more significance, as consequences of climate change, e.g. sea level rise and changes in water mass distributions are directly reflected in Earth’s gravity field. In order to increase the maturity of quantum sensors in space, the European Commission envisages a quantum pathfinder mission, CARIOQA-PMP (Cold Atom Rubidium Interferometer in Orbit for Quantum Accelerometry - Pathfinder Mission Preparation), to be launched by the end of this decade. In this contribution, we present a simulation tool capable to analyse the mission scenarios for the quantum pathfinder as well as for the follow-on full-fledge quantum gravimetry mission. The mission scenario is developed in close cooperation with the geodesy community within the CARIOQA-PMP project from the classical satellite simulations, the quantum measurement and finally the recovery of the gravity field from the interferometer signal. This work is supported by DLR funds from the BMWi (50WM2263A-CARIOQA-GE and 50WM2253A-(AI)^2).

Keywords: Atom Interferometry; Space; Earth Observation; Quantum Sensing; Gravimetry

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