Characterizing the Zeeman slowing force for 40Ca19F molecules
Characterizing the Zeeman slowing force for 40Ca19F molecules
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DOI：
10.1088/1367-2630/ac1ed7
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发表时间：
2021-04
影响因子：
3.3
通讯作者：
P. Kaebert;M. Stepanova;T. Poll;M. Petzold;S. Xu;M. Siercke;S. Ospelkaus
中科院分区：
文献类型：
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作者：
P. Kaebert;M. Stepanova;T. Poll;M. Petzold;S. Xu;M. Siercke;S. Ospelkaus
In this paper we investigate the feasibility of Zeeman slowing calcium monofluoride molecules originating from a cryogenic buffer gas cell. We measure the A2Π1/2(v=0,J=12)−X2Σ1/2(v=0,N=1) hyperfine spectrum of CaF in the Paschen–Back regime and find excellent agreement with theory. We then investigate the scattering rate of the molecules in a molecular Zeeman slower by illuminating them with light from a 10 mW broad repumper and a 10 mW multi-frequency slowing laser. By comparing our results to theory we can calculate the photon scattering rate at higher powers, leading to a force profile for Zeeman slowing. We show results from a simple 1D simulation demonstrating that this force is narrow enough in velocity space to lead to significant velocity compression, and slowing of the molecules to trappable velocities.
