Optical surface profilometry with dynamic fringe pattern generator using multi-domain liquid crystal phase array

Heewon Park, Kyung Il Joo, Mugeon Kim, Min Kyu Park, Joonku Hahn, Hak Rin Kim

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

Abstract

We implemented dynamic fringe pattern generator (DFPG) using multi-domain liquid crystal phase array to develop the optical surface profilometry. Our fringe pattern generator can enhance scanning response time and precision in 3D depth measurement, which can electrically generate multiple interference patterns with multi-spatial frequencies and four-step phase shifting.

Original languageEnglish
Title of host publication23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016
PublisherSociety for Information Display
Pages580-582
Number of pages3
ISBN (Electronic)9781510845510
StatePublished - 2016
Event23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016 - Fukuoka, Japan
Duration: 7 Dec 20169 Dec 2016

Publication series

Name23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016
Volume1

Conference

Conference23rd International Display Workshops in conjunction with Asia Display, IDW/AD 2016
Country/TerritoryJapan
CityFukuoka
Period7/12/169/12/16

Keywords

  • Depth information
  • Dynamic fringe pattern generator
  • Liquid crystal
  • Optical surface profilometry

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