Design of optical triangulation devices

Z. Ji, M. C. Leu

Research output: Contribution to journalArticlepeer-review

99 Scopus citations


This paper presents the derivation of the precise relation between the displacement of a light spot on an object's surface and the displacement of its image on the detector in an optical triangulation device, along with applications of the design of triangulation devices. Based on this relation, improved designs of optical triangulation devices, including devices of adjustable configurations, are proposed and discussed.

Original languageEnglish (US)
Pages (from-to)339-341
Number of pages3
JournalOptics and Laser Technology
Issue number5
StatePublished - Oct 1989

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering


  • displacement measurement
  • optical devices
  • optical triangulation
  • optics


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