2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/85332Optical 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 micro_kelvin can be reflected by the optical near field.1 pages, 2 figuresOpticstext