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Proceedings Paper

Generation of a dark hollow beam by a four-step phase plate and its application for manipulating cold atoms
Author(s): Xianming Ji; Renwang Mu; Jinghuai Fang; Shuwu Xu; Liangkai Han
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Paper Abstract

In this paper, we propose a new scheme to generate a dark hollow-beam, which includes dark hollow-beam optical pipe and hollow-beam optical dipole trap, through using a system composed of a four steps phase plate and a spherical lens. This kind of light beam can be used to focus, guide and trap the cold atom. We also calculate the intensity distributing and characteristic parameters of a dark hollow-beam and the optical dipole potential which manipulate the cold atoms of 85Rb. At last, we analyze and demonstrate the experimental feasibility of the scheme.

Paper Details

Date Published: 11 January 2005
PDF: 7 pages
Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); doi: 10.1117/12.577724
Show Author Affiliations
Xianming Ji, Nantong Univ. (China)
Renwang Mu, Nantong Univ. (China)
Jinghuai Fang, Nantong Univ. (China)
Shuwu Xu, Nantong Univ. (China)
Liangkai Han, Nantong Univ. (China)


Published in SPIE Proceedings Vol. 5631:
Quantum Optics and Applications in Computing and Communications II
Guang-Can Guo; Hoi-Kwong Lo; Masahide Sasaki; Songhao Liu, Editor(s)

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