Multi-mode mitigation in an optofluidic chip for particle manipulation and sensing

Opt Express. 2009 Dec 21;17(26):24342-8. doi: 10.1364/OE.17.024342.

Abstract

A new waveguide design for an optofluidic chip is presented. It mitigates multi-mode behavior in solid and liquid-core waveguides by increasing fundamental mode coupling to 82% and 95%, respectively. Additionally, we demonstrate a six-fold improvement in lateral confinement of optically guided dielectric microparticles and double the detection efficiency of fluorescent particles.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Biopolymers / analysis*
  • Biosensing Techniques / instrumentation*
  • Computer-Aided Design
  • Equipment Design
  • Equipment Failure Analysis
  • Flow Injection Analysis / instrumentation*
  • Microfluidic Analytical Techniques / instrumentation*
  • Optical Devices*
  • Refractometry / instrumentation*
  • Spectrometry, Fluorescence / instrumentation*
  • Systems Integration

Substances

  • Biopolymers