Berlin 2014 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 52: Ultracold atoms, ions and BEC V (with A)

Q 52.4: Vortrag

Donnerstag, 20. März 2014, 17:15–17:30, BEBEL SR140/142

Cold atom sources for integrated quantum sensors — •Fedja Oručević, Anton Piccardo-Selg, Tom Barrett, Gal Aviv, Thomas Fernholz, and Peter Krüger — Midlands Ultracold Atom Research Centre, School of Physics and Astronomy, University of Nottingham, UK

The progress in trapping and manipulation of cold atoms achieved over the past decade and their intrinsic quantum nature make them ideally suited for quantum sensor applications. However, the complexity of typical cold atom setups is such that they largely remain confined to the laboratory. Recent efforts therefore focus on miniaturising and integrating different components to form truly portable devices.

At the heart of such a system is a source of cold atoms, for example based on atom chip technology. We present a new low-power design that does not require the use of external coils. With a 45-tilted magnetic field quadrupole we trap > 108 rubidium atoms in a mirror magneto-optical trap using less than 5 W of electrical power.

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