Realization of High Optical Density Rb Magneto-optical Trap

HAN Yan-Xu; LIU Yong-Hong; ZHANG Chun-Hong; LI Shu-Jing; WANG Hai

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Realization of High Optical Density Rb Magneto-optical Trap

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We report experimental demonstration of a magneto-optical trap (MOT) of Rb atoms with a high optical density. With 2.2-cm-diameter cooling laser beams, we achieve an optical density of nearly 11 for about 2.6 × 1010 trapped Rb atoms with the beam intensity of about 6.6 mW/cm2 per beam. The temperature of the cold atoms is about 250 μK. Furthermore, by ramping the magnetic field gradient from 8 G/cm to about 20 G/cm, the atomic cloud in the MOT is compressed and the optical density is up to 16.

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《中国物理快报：英文版》 |2009年第2期|95-98|共4页
作者
HAN Yan-Xu; LIU Yong-Hong; ZHANG Chun-Hong; LI Shu-Jing; WANG Hai;
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作者单位

The State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006;

The State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006;

The State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006;

The State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006;

The State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006;

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正文语种 chi
中图分类物理学;
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Realization of High Optical Density Rb Magneto-optical Trap

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