SAMOP 2023 – scientific programme
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A: Fachverband Atomphysik
A 12: Poster I
A 12.32: Poster
Tuesday, March 7, 2023, 16:30–19:00, Empore Lichthof
Highly stable optical benches for the BECCAL ISS mission — •Jean Pierre Marburger1, Faruk Alexander Sellami1, Marc Kitzmann3, Esther del Pino Rosendo1, André Wenzlawski1, Ortwin Hellmig2, Klaus Sengstock2, Tim Kroh3, Victoria Henderson3, Patrick Windpassinger1, and the MAIUS and BECCAL team1,3,4,5,6,7,8,9,10,11 — 1Institut für Physik, JGU, Mainz — 2ILP, UHH, Hamburg — 3Institut für Physik, HU Berlin, Berlin — 4FBH, Berlin — 5IQ & IMS, LUH, Hannover — 6ZARM, Bremen — 7Institut für Quantenoptik, Universität Ulm, Ulm — 8DLR-SC, Braunschweig — 9DLR-SI, Hannover — 10DLR-QT, Ulm — 11OHB SE, Bremen
The NASA-DLR BECCAL mission is a multi-user experimental facility that will enable many quantum optical experiments aboard the ISS, using different isotopes of rubidium and potassium. For intensity control and distribution of the required light fields, we make use of our fiber-to-fiber coupled optical bench toolkit which has previously been and will be employed in sounding rocket missions such as KALEXUS, FOKUS, MAIUS-1/2/3. In contrast, the ISS imposes even harsher conditions, such as a further limited SWAP budget and a much longer mission duration, necessitating further improvements. The presented poster will cover technical demonstrators and tests we have performed to ascertain the suitability of these improvements. Our work is supported by the German Space Agency DLR with funds provided by the Federal Ministry for Economic Affairs and Energy (BMWi) under grant number 50 WP 1433, 50 WP 1703 and 50 WP 2103.