Erlangen 2018 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 4: Matter Wave Optics I
Q 4.3: Talk
Monday, March 5, 2018, 11:00–11:15, K 1.013
Compact and stable potassium laser system for dual speciesatom interferometry in microgravity — •Julia Pahl1, Julien Kluge1, Aline N. Dinkelaker1, Christoph Grzeschik1, Markus Krutzik1, Achim Peters1,2, and The QUANTUS Team1,3,4,5,6,7 — 1HU Berlin — 2FBH Berlin — 3U Bremen — 4LU Hannover — 5JGU Mainz — 6U Ulm — 7TU Darmstadt
The QUANTUS-2 apparatus is performing atom-chip based rubidium BEC experiments at the drop tower in Bremen. For future dual species experiments in microgravity, we developed and qualified a laser system for potassium 41 which meets the drop tower’s demands of mass, size and robustness. This is achieved by high-power, micro-integrated distributed-feedback laser diodes, miniaturized opto-mechanics as well as compact electronics that provide the necessary driving and control capabilities. In this talk we present the design of our diode laser system, discuss the performance and functionality as well as the latest results of the first campaigns.
This project is supported by the German Space Agency
DLR with funds provided by the Federal Ministry for Economic Affairs and Energy under grant number DLR 50WM1552-1557.