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Conferences > IQEC > 1996 > WB > WB3
  • International Quantum Electronics Conference
  • 1996 OSA Technical Digest Series (Optica Publishing Group, 1996),
  • paper WB3

Rotation and vibration of trapped particles in polarized laser beams

MEJ Friese, H Rubinsztein-Dunlop, NR Heckenberg, and J Enger

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Abstract

Absorbing particles can be trapped two-dimensionally in a tightly focused “donut” beam. Particles trapped in a Laguerre-Gaussian (LG03) mode donut beam, which carries angular momentum due to its helical phase structure[1], begin to rotate due to absorption of this angular momentum. [2] We have shown that when the beam is circularly polarized in the same or opposite sense as the helicity, the particle rotation speed increases or decreases.

© 1996 Optical Society of America

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