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Related Experiment Video

Updated: May 29, 2026

Fluorescence detection methods for microfluidic droplet platforms
14:16

Fluorescence detection methods for microfluidic droplet platforms

Published on: December 10, 2011

A switchable digital microfluidic droplet dye-laser.

Alexander J C Kuehne1, Malte C Gather, Irwin A Eydelnant

  • 1School of Engineering and Applied Sciences, Harvard University, 9 Oxford St, Cambridge, MA 02138, USA.

Lab on a Chip
|September 9, 2011
PubMed
Summary
This summary is machine-generated.

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Digital microfluidics enable droplet dye-lasers. Researchers demonstrated on-chip generation of blue, green, and red laser pulses by manipulating dye droplets between electrodes.

Area of Science:

  • Optics and Photonics
  • Microfluidics
  • Laser Technology

Background:

  • Digital microfluidic (DMF) devices offer precise control over liquid manipulation.
  • Electrodes in DMF systems can form optical micro-cavities.
  • Droplet-based lasers are an emerging area in photonics.

Purpose of the Study:

  • To demonstrate the feasibility of using digital microfluidics for droplet dye-laser applications.
  • To show the generation of visible laser light (blue, green, red) using this platform.
  • To explore the use of micro-cavities formed by electrodes for lasing.

Main Methods:

  • Utilized digital microfluidic platforms with parallel electrodes to create micro-cavities.
  • Employed three distinct laser dyes emitting across the visible spectrum.

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Related Experiment Videos

Last Updated: May 29, 2026

Fluorescence detection methods for microfluidic droplet platforms
14:16

Fluorescence detection methods for microfluidic droplet platforms

Published on: December 10, 2011

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
10:21

Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers

Published on: May 5, 2016

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education
05:46

A Versatile Kit Based on Digital Microfluidics Droplet Actuation for Science Education

Published on: April 26, 2021

  • Manipulated sub-microlitre droplets of dye solutions on-chip.
  • Excited dye droplets with UV light to induce lasing.

    • Main Results:

    • Successfully generated laser pulses in blue, green, and red wavelengths.
    • Demonstrated the on-chip manipulation of dye droplets into and out of a lasing site.
    • Confirmed the down-conversion of UV excitation light into visible laser emission.
    • Showcased the versatility of the DMF platform for tunable laser generation.

    Conclusions:

    • Digital microfluidics provide a viable platform for creating tunable droplet dye-lasers.
    • Electrode-generated micro-cavities are effective for achieving lasing in microdroplets.
    • This technology enables on-chip generation of visible laser light with potential applications in sensing and imaging.