Mathematical expressions using fringe projections for transparent objects

Wei Hung Su; Chau-Jern Cheng

doi:10.1117/12.2275326

Mathematical expressions using fringe projections for transparent objects

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A setup using fringe projection techniques to perform 3D profile measurements for transparent objects is presented. The related mathematical equations are derived as well. A fringe pattern is illuminated onto the transparent object. Fringes passing through the inspected object are then projected onto a screen. A CCD camera is employed to record the transmitted fringes on the screen. Fringe on the screen are deformed by the refractive index and the surface structure, and therefore are desirable to describe the shape of the inspected sample.

Original language	English
Title of host publication	Photonic Fiber and Crystal Devices
Subtitle of host publication	Advances in Materials and Innovations in Device Applications XI
Editors	Shizhuo Yin, Ruyan Guo
Publisher	SPIE
Volume	10382
ISBN (Electronic)	9781510612211
DOIs	https://doi.org/10.1117/12.2275326
Publication status	Published - 2017 Jan 1
Event	Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI 2017 - San Diego, United States Duration: 2017 Aug 6 → 2017 Aug 7

Other

Other	Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI 2017
Country	United States
City	San Diego
Period	17/8/6 → 17/8/7

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Keywords

fringe analysis
fringe projection
optical inspection
projected fringe profilometry
ray tracing

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Cite this

Su, W. H., & Cheng, C-J. (2017). Mathematical expressions using fringe projections for transparent objects. In S. Yin, & R. Guo (Eds.), Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI (Vol. 10382). [103820M] SPIE. https://doi.org/10.1117/12.2275326

Su, WH & Cheng, C-J 2017, Mathematical expressions using fringe projections for transparent objects. in S Yin & R Guo (eds), Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI. vol. 10382, 103820M, SPIE, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI 2017, San Diego, United States, 17/8/6. https://doi.org/10.1117/12.2275326

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Access to Document

10.1117/12.2275326