Thermodynamic optimization of nanowaveguide sensors

Yulia Mikhaylova, A. V. Burmistrova, A. M. Zheltikov

Research output: Contribution to journalArticle

Abstract

Thermodynamic optimization of waveguide sensors is considered. A waveguide geometry is shown to improve the detection ability of a sensor device by a factor of (NA)2/N relative to a thin-film analyzer with a transverse excitation, NA being the numerical aperture of the waveguide and N being the density of species to be detected. For ultralow densities of species, the sensitivity of a waveguide sensor is shown to be orders of magnitude higher than the sensitivity of a thin-film analyzer.

Original languageEnglish (US)
Pages (from-to)1447-1450
Number of pages4
JournalLaser Physics
Volume18
Issue number12
DOIs
StatePublished - Dec 1 2008
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Condensed Matter Physics
  • Industrial and Manufacturing Engineering

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