Multi-wavelength fiber-optic confocal position sensor with diffractive optics for enhanced measurement range

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

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A multi-wavelength fiber-optic confocal position sensor, employing a diffractive optical element (DOE), is described. The DOE was designed with the aim of enhancing the chromatic dispersion of the optics, and thus improving the measurement range of the technique. A proof-of-principle experiment is presented, yielding a five-fold enhancement in the dispersion and thus in measurement range in excellent agreement with design simulation.

Original languageEnglish
Title of host publicationEWOFS 2007 Proceedings
Subtitle of host publicationThird European Workshop on Optical Fibre Sensors
DOIs
StatePublished - 2007
EventEWOFS 2007: Third European Workshop on Optical Fibre Sensors - Napoli, Italy
Duration: 4 Jul 20076 Jul 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6619
ISSN (Print)0277-786X

Conference

ConferenceEWOFS 2007: Third European Workshop on Optical Fibre Sensors
Country/TerritoryItaly
CityNapoli
Period4/07/076/07/07

Keywords

  • Confocal diffractive optics
  • DOE
  • Fiber optics
  • Position sensor

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