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Title: Single beam optical vortex tweezers with tunable orbital angular momentum

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4882418· OSTI ID:22300023
; ; ;  [1]
  1. Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ (United Kingdom)

We propose a single beam method for generating optical vortices with tunable optical angular momentum without altering the intensity distribution. With the initial polarization state varying from linear to circular, we gradually control the torque transferred to the trapped non-absorbing and non-birefringent silica beads. The continuous transition from the maximum rotation speed to zero without changing the trapping potential gives a way to study the complex tribological interactions.

OSTI ID:
22300023
Journal Information:
Applied Physics Letters, Vol. 104, Issue 23; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
Country of Publication:
United States
Language:
English