Freiburg 2019 – wissenschaftliches Programm

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FM: Fall Meeting

FM 41: Poster: Quantum Sensing

FM 41.6: Poster

Dienstag, 24. September 2019, 16:30–18:30, Tents

Zerodur based optical and vacuum systems for the field application of quantum technologies — •Moritz Mihm1, Sören Boles1, Jean Pierre Marburger1, André Wenzlawski1, Ortwin Hellmig2, and Patrick Windpassinger11Institut für Physik, JGU Mainz — 2ILP, UHH Hamburg

Numerous quantum technologies are used in extreme environments. The operation outside the laboratory makes high demands on the experiment and especially the laser system regarding miniaturization and power consumption as well as mechanical and thermal stability.

We have developed a technology for stable fiber-coupled optical modules, consisting of Zerodur based optical benches with free-space optics. Our toolkit allows the assembly of modules e.g. for laser frequency stabilization as well as distribution, overlap and switching of laser beams. Developed in the context of atom interferometry with ultracold atoms in space, suitability of the technology has been demonstrated in the successful sounding rocket missions FOKUS, KALEXUS and MAIUS.

I will present the fundamentals of our technology and discuss current efforts to build Zerodur based vacuum systems. The combination of miniaturized and stable vacuum chambers with our laser system technology allows the development of integrated quantum optical systems for applications outside laboratory environments.

Our work is supported by JGU Stufe 1 Funding and the German Space Agency DLR with funds provided by the Federal Ministry for Economic Affairs and Energy (BMWi) under grant numbers 50 WP 1433 and 50 WP 1703.

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