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中文摘要：
简单介绍了实现冷原子或冷分子囚禁的可控制光学双阱的实验方案，报道了二元π相位板的制作方法及其产生可控制光学双阱的实验结果,分析了光学双阱参数（如空间位置、双阱中心间距、相对光强分布等）与”相佗板相位偏差的关系．从理论和实验上研究了由于二元π相位板的划蚀厚度误差引起的光学双阱光强变化及其双阱到单阱的演化规律，得到了实验与理论基本一致的结果．
英文摘要：
In this paper, an experimental scheme of a controllable double-well optical trap for cold atoms （molecules） is briefly introduced, and the fabrication method of a binary π-phase plate and the experimental results to generate a controllable double- well optical trap are reported. In the experiment, we investigated the dependence of the double-well parameters （such as the spatial position of optical double-well, the spacing between the centers of two wells and the relative intensity distributions and so on） on the phase errors of the π-phase plate, and the change of double-well intensities resulting from errors in the engraving depth of the binary π-phase plate as well as the evolution of the optical trap from two wells to single one are studied both theoretically and experimentally. Experimental results consistent with theoretical prediction are obtained.
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