Development of adjustable permanent magnet Zeeman slowers for optical lattice clocks

doi:10.1088/1674-1056/26/5/053701

Abstract

We develop a permanent-magnet Zeeman slower with adjustable magnets along the longitudinal and radial directions. Produced by four arrays of cylindrical magnets, the longitudinal magnetic field in the slower is tunable if relevant parameters vary, for example, laser detuning or intensity. The proposed Zeeman slower can be reconfigured for Sr atoms. Additionally, we demonstrate that the residual magnetic field produced by the permanent magnets in the magneto-optical trap region can be as small as 0.5 Gs.

Keywords: permanent magnet Zeeman slower laser cooling optical clock

Received: 31 December 2016
Revised: 19 February 2017
Accepted manuscript online:

PACS:	37.10.De	(Atom cooling methods)
	32.60.+i	(Zeeman and Stark effects)
	07.55.-w	(Magnetic instruments and components)

Fund:

Project supported by the National Key Basic Research and Development Program of China (Grant Nos. 2012CB821302 and 2016YFA0302103), the National Natural Science Foundation of China (Grant No. 11134003), the National High Technology Research and Development Program of China (Grant No. 2014AA123401), and the Shanghai Excellent Academic Leaders Program of China (Grant No. 12XD1402400).

Corresponding Authors: Xin-Ye Xu
E-mail: xyxu@phy.ecnu.edu.cn

Cite this article:

Xiao-Hang Zhang(张晓航), Xin-Ye Xu(徐信业) Development of adjustable permanent magnet Zeeman slowers for optical lattice clocks 2017 Chin. Phys. B 26 053701

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Development of adjustable permanent magnet Zeeman slowers for optical lattice clocks

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