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Rotation of particles by using the beam with orbital angular momentum

  • Beijing Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

The twisted stigmatic beam with an orbital angular momentum was generated by transforming the Hermitian-Gaussian beam of a laser-diode-pumped solid-state laser through a rotated cylindrical lens system. By utilizing the orbital angular momentum of the generated beam, an 'optical spanner' was designed and developed. By using the optical spanner micro-sized particles were trapped and rotated.

Original languageEnglish
Pages (from-to)413-417
Number of pages5
JournalWuli Xuebao/Acta Physica Sinica
Volume53
Issue number2
Publication statusPublished - Feb 2004

Keywords

  • Beam transformation
  • Optical spanner
  • Orbital angular momentum
  • Twisted stigmatic beam

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