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  • Conference on Lasers and Electro-Optics/Pacific Rim 2007
  • (Optica Publishing Group, 2007),
  • paper WH3_6

Optical manipulation of micro-particles with Laguerre-Gaussian mode beam

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Abstract

We have demonstrated an optical trapping and rotation of polystyrene microspheres with a Laguerre Gaussian mode beam. We constructed a Mach-Zehnder interferometer to obtain an interference pattern of Laguerre Gaussian mode and Gaussian mode. A micron-sized objects are trapped in the interference pattern, and by changing the optical path length we could control this pattern to rotate. Since the interference pattern rotates, the trapped particles also rotate.

© 2007 IEEE

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