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SAMOP 2023 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 59: Poster IV

Q 59.12: Poster

Donnerstag, 9. März 2023, 16:30–19:00, Empore Lichthof

Multi-axis quantum gyroscope with multi-loop atomic Sagnac interferometry — •Ann Sabu1, Yueyang Zou1, Mouine Abidi1, Philipp Barbey1, Ashwin Rajagopalan1, Christian Schubert1,2, Matthias Gersemann1, Dennis Schlippert1, Ernst Rasel1, and Sven Abend11Institut für Quantenoptik - Leibniz Universität, Welfgarten 1, 30167 Hannover — 2Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR), Institut für Satellitengeodäsie und Inertialsensorik, Germany

Twin-lattice atom interferometers promise compact, large area devices for rotation measurements in inertial navigation. We aim at developing a compact and portable demonstrator capable of multi-axis inertial sensing, enabling precise measurement of rotations and accelerations. In future, an experimental realization of multi-loop atomic interferometry using such a portable gyrosope is also possible.

We present a brief theory of twin-lattice atomic Sagnac interferometry, the current status of the preliminary system design of the demonstrator using the Bose-Einstein condensates (BECs) of 87Rb atoms. We also present the design of the laser system for beamsplitter, cooling and detection sequence.

We acknowledge financial support from the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany’s Excellence Strategy - EXC-2123 QuantumFrontiers - 390837967 and through the CRC 1227 (DQ-mat), as well as support from DLR with funds provided by the BMWi under grant no. DLR 50RK1957 (QGyro) and DLR 50NA2106 (QGyro+).

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