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|Author(s):||Jabez J. McClelland;|
|Title:||Atom-Optical Properties of a Standing-Wave Light Field|
|Published:||October 01, 1995|
|Abstract:||The focusing of atoms to nanometer-scale dimensions by a near-resonant standing-wave light field is examined from a particle optics perspective. The classical equation of motion for atoms traveling through the lens formed by a node of the standing wave is derived and converted to a spatial trajectory equation. A paraxial solution is obtained, which results in simple expressions for the focal properties of the lens, useful for estimating its behavior. Aberrations are also discussed, and an exact numerical solution of the trajectory equation is presented. The effects on focal linewidth of angualr collimation and velocity spread in the atomic beam are investigated, and it is shown that angular collimation has a much more significant effect than velocity spread, even when the velocity spread is thermal.|
|Citation:||Journal of the Optical Society of America B-Optical Physics|
|Pages:||pp. 1761 - 1767|
|Research Areas:||Nanofabrication, Nanomanufacturing, and Nanoprocessing|