Journal
OPTICS LETTERS
Volume 25, Issue 4, Pages 191-193Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.25.000191
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A computer-generated hologram is used to form an optical beam with a localized intensity null at its focus. The beam is a superposition of two Laguerre-Gaussian modes that are phased so that they interfere destructively to give a beam focus that is surrounded in all directions by regions of higher intensity. Beams of this kind will have applications in the optical trapping of macroscopic objects or atoms; hence the term optical bottle beam. (C) 2000 Optical Society of America OCIS codes: 140.3300, 090.1760.
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