Excitation Of A Funnel-Shape Optical Near Field By The Laguarre-Gaussian Doughnut Beam
S. M. Iftiquar, Haruhiko Ito, Akifumi Takamizawa, Motoichi Ohtsu
Abstract
Optical near field has been generated by Laguarre-Gaussian doughnut beam on inner surface of "atom funnel". The resulting optical near field has been measured with the help of fiber probe and a consequent effect on cold atoms- released from MOT, has been estimated. Atoms with temperature less than 10 microkelvin can be reflected by the optical near field.
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