用于laser冷却中性原子的波导原子分束器
A waveguide atom beamsplitter for laser-cooled neutral atoms
摘要：
从低速强流源输出的激光冷却中性原子束在磁场势的引导下分裂成两束。我们产生我们的多模分束器的潜力与两个载流导线上的玻璃基板结合外部横向偏置场。原子在$10$ -cm的距离上绕着几条曲线弯曲。在100- $\mathrm{μm}$直径的线中，用$5\cdot10^{4} \mathrm{Ampere/cm^{2}}$的电流密度实现$1.5\cdot10^{5} \mathrm{atoms/s}$的最大积分通量。初始光束可以被分成具有50/50分束比的两个光束。
英文摘要：
A laser-cooled neutral-atom beam from a low-velocity intense source is split into two beams while guided by a magnetic-field potential. We generate our multimode-beamsplitter potential with two current-carrying wires on a glass substrate combined with an external transverse bias field. The atoms bend around several curves over a $10$-cm distance. A maximum integrated flux of $1.5\cdot10^{5} \mathrm{atoms/s}$ is achieved with a current density of $5\cdot10^{4} \mathrm{Ampere/cm^{2}}$ in the 100-$\mathrm{μm}$ diameter wires. The initial beam can be split into two beams with a 50/50 splitting ratio.
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