Passive optical sorting of plasmon nanoparticles: Numerical investigation of optimal illumination

M. Ploschner, M. Mazilu, T. Čižmár, K. Dholakia

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We numerically investigate passive optical sorting of plasmon nanoparticles and explore the trajectories of nanoparticles in sorting fields with the optimal wavelength and the optimal beam shape. The optimal wavelength is determined from speed difference to temperature increase ratio of the system. The optimal beam shape for arbitrary size of sorting region is determined using the force optical eigenmode (FOEi) method. Study of deflection trajectories of nanoparticles passing through the optimised field in microfluidic channel scenario demonstrates the feasibility of the method and sets the optimal fluid speed in microfluidic channel to fully utilise the potential of optimised sorting field. The method is demonstrated in specific case of gold nanoparticles of radius 40 nm and 50 nm respectively.

Original languageEnglish
Title of host publicationFourth International Workshop on Theoretical and Computational Nanophotonics, TaCoNa-Photonics 2011
Pages85-87
Number of pages3
DOIs
Publication statusPublished - 2011 Oct 26
Event4th International Workshop on Theoretical and Computational Nanophotonics, TaCoNa-Photonics 2011 - Bad Honnef, Germany
Duration: 2011 Oct 262011 Oct 28

Publication series

NameAIP Conference Proceedings
Volume1398
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference4th International Workshop on Theoretical and Computational Nanophotonics, TaCoNa-Photonics 2011
CountryGermany
CityBad Honnef
Period11/10/2611/10/28

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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  • Cite this

    Ploschner, M., Mazilu, M., Čižmár, T., & Dholakia, K. (2011). Passive optical sorting of plasmon nanoparticles: Numerical investigation of optimal illumination. In Fourth International Workshop on Theoretical and Computational Nanophotonics, TaCoNa-Photonics 2011 (pp. 85-87). (AIP Conference Proceedings; Vol. 1398). https://doi.org/10.1063/1.3644220