All-optical atom surface traps implemented with one-dimensional planar diffractive microstructures

Details All-optical atom surface traps implemented with one-dimensional planar diffractive microstructures All-optical atom surface traps implemented with one-dimensional planar diffractive microstructures

2006-11-09

arxiv.org/abs/physics/0611092v1

Physics

Atomic Physics

7 pages, 15 figures

Scientific paper

We characterize the loading, containment and optical properties of all-optical atom traps implemented by diffractive focusing with one-dimensional (1D) microstructures milled on gold films. These on-chip Fresnel lenses with focal lengths of the order of a few hundred microns produce optical-gradient-dipole traps. Cold atoms are loaded from a mirror magneto-optical trap (MMOT) centered a few hundred microns above the gold mirror surface. Details of loading optimization are reported and perspectives for future development of these structures are discussed.

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