原子漏斗及其应用

文章简单介绍了磁、光原子漏斗的基本原理，详细综述了各种原子漏斗方案及其实验结果．这些漏斗方案主要包括采用红失谐高斯光束、蓝失谐消逝波光场和空心光束串联而成的光学原子漏斗，采用载流导线的静磁原子漏斗以及采用磁光凝胶构成的磁光原子漏斗．文章最后还简单介绍了原子漏斗在原子光学领域中的潜在应用．     

A Novel Atomic Guiding Using a Blue-Detuned TE0i Mode in Hollow Metallic Waveguides

We propose a novel scheme to guide cold atoms using a blue-detuned TE01 doughnut mode in a hollow metallic aveguide, calculate the electromagnetic field distribution of the TErn mode in the hollow metallic waveguide,and compare the attenuation characters of the EH11 and TErn mode in the hollow metallic waveguide. We also alculate the optical potential of the TErn doughnut mode for two-level ^85Rb atoms and estimate the photon cattering rate. It is found that when the detuning δ = 300 GHz, the photon scattering induced heating can e neglected, and the optical potential (Umax=570 mK) of the TErn mode is high enough to load cold atoms(120μK) from a standard magneto-optical trap and to guide them in the hollow metallic waveguide, which is a esirable scheme to realize a computer-controlled atom lithography with an arbitrary pattern.