Multiple-fiber and multiple-wavelength confocal sensing with diffractive optical elements

Garry Berkovic, Ehud Shafir, Michael A. Golub, Moshe Bril, Valery Shurman

Research output: Contribution to journalArticlepeer-review

Abstract

Adding a diffractive element to the imaging optics of a fiber-based confocal sensor greatly enhances the chromatic dispersion of the optics. This can be exploited to enhance the sensing range and resolution of the sensor. Several examples are given using one and two fibers with simultaneous dual wavelength illumination to probe the displacement of a target object.

Original languageEnglish
Article number4567455
Pages (from-to)1089-1092
Number of pages4
JournalIEEE Sensors Journal
Volume8
Issue number7
DOIs
StatePublished - Jul 2008
Externally publishedYes

Keywords

  • Displacement measurement
  • Imaging
  • Optical fiber measurement applications

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