An optical elevator for precise delivery of cold atoms using an acousto-optical deflector
arXiv:2111.04160 · doi:10.1088/1367-2630/ac5f84
Abstract
We implement a simple method for fast and precise delivery of ultracold atoms to a microscopic device, i.e. a Fabry-Perot microcavity. By moving a single beam optical dipole trap in a direction perpendicular to the beam axis with an acousto-optical deflector, we transport up to 1 million atoms within 100ms over cm. Under these conditions, a transport efficiency above is achieved with only minimal heating. The atomic cloud is accurately positioned within the microcavity and transferred into an intra-cavity optical lattice. With the addition of a secondary guiding beam, we show how residual sloshing motion along the shallow axis of the trap can be minimized.
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