Digitally tunable microfluidic optical fiber devices

Francesco Cattaneo*, Kirk Baldwin, Shu Yang, Tom Krupenkine, Siddharth Ramachandran, John A. Rogers

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Scopus citations


This communication introduces a digital design for tunable microfluidic optical fiber devices. In these systems, multiple, independently controlled microfluidic plugs are pumped into or out of overlap with a fiber structure to modulate its transmission characteristics. The devices described here use eight plugs, eight electrowetting pumps and a corresponding set of molded planar recirculating microchannels to control the depth of the narrowband loss feature associated with a long period fiber grating. Optical measurements illustrate the digital and relatively fast operation of this type of microfluidic fiber device.

Original languageEnglish (US)
Pages (from-to)907-912
Number of pages6
JournalJournal of Microelectromechanical Systems
Issue number6
StatePublished - Dec 2003


  • Fluidics
  • Microfluidics
  • Micropumps
  • Optical device fabrication
  • Optical fiber applications
  • Optical fiber devices

ASJC Scopus subject areas

  • Mechanical Engineering
  • Electrical and Electronic Engineering


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