Influence of multiple particles in optical tweezers on the trapping efficiency

Thomas Weigel; Reza Ghadiri; Cemal Esen; Gustav Schweiger; Andreas Ostendorf

doi:10.1117/12.2037322

25 February 2014 Influence of multiple particles in optical tweezers on the trapping efficiency

Thomas Weigel, Reza Ghadiri, Cemal Esen, Gustav Schweiger, Andreas Ostendorf

Author Affiliations +

Proceedings Volume 8999, Complex Light and Optical Forces VIII; 89991E (2014) https://doi.org/10.1117/12.2037322
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

Since the early times of Arthur Ashkins groundbreaking experiments on optical tweezers, a great number of theoretical works was dedicated to this subject. Most of them treated the optical trapping of single spherical or elliptical particles. In the last years optical tweezers have become more and more a tool for assembling three dimensional structures using single microspheres as building blocks. Since all structures and particles inside the light beams influence the properties of the traps, we investigated theoretically the influence of additional single particles and particle arrays on the properties of optical traps. For this reason a geometrical optics based model is used with the inherent flexibility to be applied for various shapes and particle numbers.

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Thomas Weigel, Thomas Weigel, Reza Ghadiri, Reza Ghadiri, Cemal Esen, Cemal Esen, Gustav Schweiger, Gustav Schweiger, Andreas Ostendorf, Andreas Ostendorf, "Influence of multiple particles in optical tweezers on the trapping efficiency", Proc. SPIE 8999, Complex Light and Optical Forces VIII, 89991E (25 February 2014); doi: 10.1117/12.2037322; https://doi.org/10.1117/12.2037322

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