Dynamically configurable and optimizable Zeeman slower using permanent magnets and servomotors

Details Dynamically configurable and optimizable Zeeman slower using permanent magnets and servomotors Dynamically configurable and optimizable Zeeman slower using permanent magnets and servomotors

2011-10-24

arxiv.org/abs/1110.5351v2

Physics

Atomic Physics

10 pages, 5 figures; accepted to JOSA B

Scientific paper

We report on the implementation of a dynamically configurable, servomotor- controlled, permanent magnet Zeeman slower for quantum optics experiments with ultracold atoms and molecules. This atom slower allows for switching between magnetic field profiles that are designed for different atomic species. Additionally, through feedback on the atom trapping rate, we demonstrate that computer-controlled genetic optimization algorithms applied to the magnet positions can be used in situ to obtain field profiles that maximize the trapping rate for any given experimental conditions. The device is lightweight, remotely controlled, and consumes no power in steady state; it is a step toward automated control of quantum optics experiments.

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