Published in Physical Review A, Volume 73, Issue 1, January 20, 2006, pages 013409-1-013409-6.
NOTE: At the time of publication, the authors Glen Gillen and Katharina Christandl were not yet affiliated with Cal Poly.
The definitive version is available at https://doi.org/10.1103/PhysRevA.73.013409.
We theoretically investigate the feasibility of using intensity distributions of light of a single laser beam diffracted by a circular aperture as optical dipole traps for cold neutral atoms. Localized and cylindrically symmetric traps on the central axis of the circular aperture exist for both blue- and red-detuned laser light. Experimental mapping of the spots of interest using CO2 laser light demonstrates the existence of these light distributions for laboratory conditions and their agreement with theoretical predictions.
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