Plasmonic Marangoni forces

A. L. Lereu, A. Passian, R. H. Farahi, S. Zahrai, T. Thundat

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Localized surface-tension-driven forces (microscale Marangoni effect) caused by a temperature inhomogeneity from the decay of optically excited surface plasmons into phonons have been engaged in the actuation of adsorbed and applied liquid on a thin metal film. Microfluidic operations of transport, separation, mixing, and sorting have been experimentally and theoretically demonstrated using this all-optical modulation scheme.

Original languageEnglish
Article number06030
JournalJournal of the European Optical Society
Volume1
DOIs
StatePublished - Dec 14 2006

Keywords

  • Marangoni convective flow
  • Microfluidics
  • Sensing
  • Surface plasmon

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