Production and characterization of a dual species magneto-optical trap of cesium and ytterbium

TL;DR

This paper presents a versatile apparatus capable of trapping and cooling both cesium and ytterbium atoms simultaneously, enabling advanced experiments with dual-species atomic mixtures.

Contribution

The design introduces a flexible dual species Zeeman slower and integrated trapping system for Cs and Yb, adaptable for various atomic mixtures.

Findings

Produces 10^8 Cs atoms at 13.3 μK in optical molasses

Produces 10^9 Yb atoms at 22 μK in a magneto-optical trap

Apparatus offers excellent optical access and magnetic field control

Abstract

We describe an apparatus designed to trap and cool a Yb and Cs mixture. The apparatus consists of a dual species effusive oven source, dual species Zeeman slower, magneto-optical traps in a single ultra-high vacuum science chamber, and the associated laser systems. The dual species Zeeman slower is used to load sequentially the two species into their respective traps. Its design is flexible and may be adapted for other experiments with different mixtures of atomic species. The apparatus provides excellent optical access and can apply large magnetic bias fields to the trapped atoms. The apparatus regularly produces 10${}^{8}$ Cs atoms at 13.3 $\mu$K in an optical molasses, and 10${}^{9}$ Yb atoms cooled to 22 $\mu$K in a narrowband magneto-optical trap.