Normalized analysis for the sensitivity optimization of integrated optical evanescent-wave sensors

  • Parriaux O
  • Veldhuis G
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Closed-form analytical expressions and normalized charts provide the conditions for the maximum sensitivity of transverse electric (TE) and transverse magnetic (TM) evanescent-wave step-index waveguide sensors. The analysis covers both cases where the measurand is homogeneously distributed in the semi-infinite waveguide cover, and where it is an ultrathin film at the waveguide-cover interface.

Author-supplied keywords

  • Biosensors
  • Chemical sensors
  • Optical planar waveguides
  • Refractometers
  • Sensitivity analysis

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