Two dimensional interferometric optical trapping of multiple particles and Escherichia coli bacterial cells using a lensed multicore fiber

Ashleigh L Barron, Ajoy Kumar Kar, Thomas J Aspray, Andrew John Waddie, Mohammad Reza Taghizadeh, Henry Bookey

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Two dimensional interferometric trapping of multiple microspheres and Escherichia coli has been demonstrated using a multicore fiber lensed with an electric arc fusion splicer. Light was coupled evenly into all four cores using a diffractive optical element. The visibility of the fringes and also the appearance of the lattice can be altered by rotating a half wave-plate. As a result the particles can be manipulated from one dimensional trapping to two dimensional trapping or a variety of different two dimensional arrangements. The ability to align bacterial populations has potential application for quorum sensing, floc and biofilm and, metabolic co-operation studies. (C) 2013 Optical Society of America

Original languageEnglish
Pages (from-to)13199-13207
Number of pages9
JournalOptics Express
Volume21
Issue number11
DOIs
Publication statusPublished - 3 Jun 2013

Keywords

  • TWEEZERS
  • PROBE
  • INTERFERENCE
  • ELEMENTS
  • LIQUID

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