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A switchable digital microfluidic droplet dye-laser

  • Alexander J. C. Kuehne
  • , Malte C. Gather
  • , Irwin A. Eydelnant
  • , Seok-Hyun Yun
  • , David A. Weitz
  • , Aaron R. Wheeler*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Digital microfluidic devices allow the manipulation of droplets between two parallel electrodes. These electrodes can act as mirrors generating a micro-cavity, which can be exploited for a droplet dye-laser. Three representative laser-dyes with emission wavelengths spanning the whole visible spectrum are chosen to show the applicability of this concept. Sub-microlitre droplets of laser-dye solution are moved in and out of a lasing site on-chip to down-convert the UV-excitation light into blue, green and red laser-pulses.

Original languageEnglish
Pages (from-to)3716-3719
Number of pages4
JournalLab on a Chip
Volume11
Issue number21
DOIs
Publication statusPublished - 2011

Keywords

  • CHIP
  • TECHNOLOGY
  • INTERFACE
  • CHANNEL
  • LIGHT

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