光学学报, 2008, 28 (9): 1816, 网络出版: 2008-09-09
一种新颖的实现冷原子囚禁的可控制光学六阱及其光学晶格
A Novel Controllable Six-Well Optical Trap for Cold Atoms or Molecules and Optical lattice
原子光学 原子分子囚禁 二元π相位板 可控制光学六阱 光学晶格 atom optics atom or molecule trap binary π-phase plate controllable six-well optical trap optical lattice
摘要
提出了一种利用单束平面光波照明二元π相位板与透镜组合系统实现冷原子或冷分子囚禁的可控制光学六阱的方案,计算与分析了该方案产生的光学势阱的光强分布和光学六阱的特征参数、强度梯度及其曲率,讨论了从光学六阱到双阱或到单阱的演化过程,研究表明通过改变二元π相位板上的相位分布,即可实现光学六阱到双阱或到单阱的连续双向演化。
Abstract
We propose a novel scheme to form a controllable six-well optical trap for cold atoms or molecules by using an optical system of a binary π-phase plate and a lens illuminated by a plane light wave. We calculate the intensity distribution of the six-well optical trap and discuss the evolution process of the optical trap from six-well to double-well or a single-well. The result shows that this six-well trap can be continuously changed into a double-well or single-well one by changed the π-phase plate.
陆俊发, 陆荷琴, 周琦, 印建平. 一种新颖的实现冷原子囚禁的可控制光学六阱及其光学晶格[J]. 光学学报, 2008, 28(9): 1816. Lu Junfa, Lu Heqin, Zhou Qi, Yin Jianping. A Novel Controllable Six-Well Optical Trap for Cold Atoms or Molecules and Optical lattice[J]. Acta Optica Sinica, 2008, 28(9): 1816.