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2D array of surface optical micro-traps by evanescent wave interference

Yin Jian-Ping Cao Guo-Rong Wang Zheng-Ling

2D array of surface optical micro-traps by evanescent wave interference

Yin Jian-Ping, Cao Guo-Rong, Wang Zheng-Ling
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  • Abstract views:  3561
  • PDF Downloads:  1277
  • Cited By: 0
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  • Received Date:  13 November 2007
  • Accepted Date:  18 April 2008
  • Published Online:  20 October 2008

2D array of surface optical micro-traps by evanescent wave interference

  • 1. (1)华东师范大学物理系,精密光谱科学与技术国家重点实验室,上海 200062; (2)江苏大学物理系,镇江 212013; (3)江苏大学物理系,镇江 212013;华东师范大学物理系,精密光谱科学与技术国家重点实验室,上海 200062

Abstract: We propose a novel scheme to form a 2D surface array of optical micro-traps of cold atoms by using two sets of far red-detuned evanescent wave interference and a blue-detuned evanescent wave. The optical potentials of the 2D surface array of optical micro-traps are high enough to trap cold atoms released from the standard magneto-optical trap,and 87Rb atoms trapped in the array of optical micro-traps can be cooled to 2.56μK with efficient intensity-gradient Sisyphus cooling. Our study shows that the proposed 2D surface array of optical micro-traps can be used in atomic physics,atomic optics, quantum optics and so on.

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