Journal
OPTICS EXPRESS
Volume 18, Issue 10, Pages 10828-10833Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.010828
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Funding
- Japan Society for the Promotion of Science
- Japan Science and Technology Agency, CREST
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Single-beam optical trapping of micrometer-sized dielectric particles is experimentally demonstrated using radially and azimuthally polarized beams. The axial and transverse optical trapping efficiencies of glass and polystyrene beads suspended in water are measured. The radially polarized beam exhibited the highest trapping efficiency in the axial direction due to the p polarization of the radial polarization on the particle surface. On the other hand, the azimuthally polarized beam had a higher transverse trapping efficiency than the radially polarized beam. These results are consistent with numerical predictions. (C) 2010 Optical Society of America
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