A waveguide atom beamsplitter for laser-cooled neutral atoms

Details A waveguide atom beamsplitter for laser-cooled neutral atoms A waveguide atom beamsplitter for laser-cooled neutral atoms

2000-03-28

arxiv.org/abs/physics/0003091v1

Physics

Atomic Physics

Scientific paper

10.1364/OL.25.001382

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-$\mathrm{\mu m}$ diameter wires. The initial beam can be split into two beams with a 50/50 splitting ratio.

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