Holographic control of droplet microfluidics

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Droplet microfluidics is an emerging area in miniaturisation of chemical and biological assays, or "lab-on-a-chip" devices. Normally consisting of droplets flowing in rigid microfluidic channels they offer many advantages over conventional microfluidic design but lack any form of active control over the droplets. We present work, using holographic beam shaping, that allows the real time reconfigurability of microfluidic channels allowing us to redirect, slow, stop, and merge droplets with diameters of approximately 200 microns. A single beam is be sufficient to perform simple tasks on the droplets but by using holographic beam shaping we can produce multiple foci or continuous patterns of light that enable a far more versatile tool.

Original languageEnglish
Title of host publicationOptical Trapping and Optical Micromanipulation V
DOIs
Publication statusPublished - 21 Nov 2008
EventOptical Trapping and Optical Micromanipulation V - San Diego, CA, United States
Duration: 10 Aug 200813 Aug 2008

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume7038
ISSN (Print)0277-786X

Conference

ConferenceOptical Trapping and Optical Micromanipulation V
Country/TerritoryUnited States
CitySan Diego, CA
Period10/08/0813/08/08

Keywords

  • Digital microfluidics
  • Optical tweezers

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