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Phys Rev Lett. 2011 Nov 11;107(20):203602. Epub 2011 Nov 10.

Negative nonconservative forces: optical "tractor beams" for arbitrary objects.

Author information

1
CREOL, The College of Optics and Photonics University of Central Florida, Orlando, 32816, USA. ssukhov@creol.ucf.edu

Abstract

Based on the conservation of linear momentum on scattering from arbitrary objects, we demonstrate the generation of nonconservative optical forces that act in a direction opposite to the propagation of the incident beam. The concept can be applied to tailor the force fields produced on nonabsorbing bodies regardless of their sizes and shapes.

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