Permanent magnet based Zeeman slower for lithium atoms

Abstract

We describe the design, construction, and characterization of a permanent magnet based, transverse-field Zeeman slower for lithium atoms. We use off-the-shelf compact permanent bar magnets in the Halbach configuration to create a uniform magnetic field in the transverse direction. We develop a general approach for a mechanical structure that supports the spatial distribution of magnets using 3D printing technology. The approach allows for flexible assembly and dismantling of the magnetic field on the target vacuum system. Finally, we verify that the Zeeman slower supports a high flux of slow atoms in the region of magneto-optical trap.

8 pages, 8 figures

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