Article

Applied Physics B

, Volume 84, Issue 1, pp 149-156

Analysis of optical binding in one dimension

  • V. KarásekAffiliated withInstitute of Scientific Instruments, Academy of Sciences of the Czech Republic
  • , K. DholakiaAffiliated withSchool of Physics and Astronomy, University of St. Andrews
  • , P. ZemánekAffiliated withInstitute of Scientific Instruments, Academy of Sciences of the Czech Republic Email author 

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Abstract

The redistribution of light between micro- or nanoobjects placed in counter-propagating laser fields leads to their steady-state spatial configurations. Under appropriate conditions, the objects are spatially separated and form optically bound matter. This is a very exciting phenomenon that is still not fully understood. In this article we present a new theoretical model of how to study this phenomenon, which is based on a coupled dipole method particularly amenable to nanoparticle optical binding. Predictions of this model are compared with experimental data and other theoretical models with satisfactory results.