A versatile dual-species Zeeman slower for caesium and ytterbium

Abstract

We describe the design, construction and operation of a versatile dual-species Zeeman slower for both Cs and Yb, which is easily adaptable for use with other alkali metals and alkaline earths. With the aid of analytic models and numerical simulation of decelerator action, we highlight several real-world problems affecting the performance of a slower and discuss effective solutions. To capture Yb into a magneto-optical trap (MOT), we use the broad ${}^1{S}_0$ to ${}^1{P}_1$ transition at 399 nm for the slower and the narrow ${}^1{S}_0$ to ${}^3{P}_1$ intercombination line at 556 nm for the MOT. The Cs MOT and slower both use the D2 line ($6^2{S}_{1/2}$ to $6^2{P}_{3/2}$) at 852 nm. We demonstrate that within a few seconds the Zeeman slower loads more than $10^9$ Yb atoms and $10^8$ Cs atoms into their respective MOTs. These are ideal starting numbers for further experiments on ultracold mixtures and molecules.

arXiv comment15 pages, 15 figures, 4 tables, revtex4-1

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• Direct loading of a large Yb MOT on the ${}^1{S}_0\to {}^3{P}_1$ transition
• Production of ultracold Cs*Yb molecules by photoassociation
• Interspecies thermalization in an ultracold mixture of Cs and Yb in an optical trap
• Magnetic Feshbach resonances in ultracold collisions between Cs and Yb atoms
• Tuneable homogeneous kG magnetic field production using permanent magnets
• Dynamics of a degenerate Cs-Yb mixture with attractive interspecies interactions
• Type-II Zeeman slowing: Characterization and comparison to conventional radiative beam slowing schemes
• High flux strontium atom source
• Comparative analysis of recirculating and collimating cesium ovens
• Zeeman slowing of a Group III atom
• Single-Source, Collinear Merged-Beam Experiment for the Study of Reactive Neutral-Neutral Collisions
• High-flux cold lithium-6 and rubidium-87 atoms from compact two-dimensional magneto-optical traps
• Quantum Degenerate Mixtures of Cs and Yb