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We describe the design, construction and operation of a versatiledual-species Zeeman slower for both Cs and Yb, which is easily adaptable foruse with other alkali metals and alkaline earths. With the aid of analyticmodels and numerical simulation of decelerator action, we highlight severalreal-world problems affecting the performance of a slower and discuss effectivesolutions. To capture Yb into a magneto-optical trap (MOT), we use the broad$^1S_0$ to $^1P_1$ transition at 399 nm for the slower and the narrow $^1S_0$to $^3P_1$ intercombination line at 556 nm for the MOT. The Cs MOT and slowerboth use the D2 line ($6^2S_{1/2}$ to $6^2P_{3/2}$) at 852 nm. We demonstratethat 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 numbersfor further experiments on ultracold mixtures and molecules.

A versatile dual-species Zeeman slower for caesium and ytterbium