Collective behavior of the optically driven particles on a circular path

Shogo Okubo, Shuhei Shibata, Yasuyuki Kimura

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

1 Citation (Scopus)

Abstract

Microparticles such as colloids and microorganisms moving in viscous liquid interact with each other via hydrodynamic interaction and often exhibit complex collective behaviors. In this study, we observed the collective motion of many colloids moving along the same circular path in water by utilizing optical vortex. The characteristic collective motion including clustering and dissociation of the particles was observed and their dynamic patterns depend on the number of the particles on the path. By addition of different sized particles, the specific clusters can be selectively induced. Those experimental findings are reproduced by numerical simulation which takes into account the hydrodynamic interaction with Oseen approximation and the radial optical trapping force.

Original languageEnglish
Title of host publicationOptical Trapping and Optical Micromanipulation XI
EditorsGabriel C. Spalding, Kishan Dholakia
PublisherSPIE
ISBN (Electronic)9781628411911
DOIs
Publication statusPublished - 2014
EventOptical Trapping and Optical Micromanipulation XI - San Diego, United States
Duration: Aug 17 2014Aug 21 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9164
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

OtherOptical Trapping and Optical Micromanipulation XI
CountryUnited States
CitySan Diego
Period8/17/148/21/14

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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