Abstract

We demonstrate the production of high-density cold Rb87 samples (2×1014 atoms/cm3) in a simple optical lattice formed with YAG light that is diffracted from a holographic phase plate. A loading protocol is described that results in 10,000 atoms per 10 µm×10 µm×100 µm unit cell of the lattice site. Rapid free evaporation leads to a temperature of 50 µK and phase space densities of 1/150 within 50 ms. The resulting small, high-density atomic clouds are very attractive for a number of experiments, including ultracold Rydberg atom physics.

© 2003 Optical Society of America

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