Computer-generated Moiré profilometry

Optics Express
Chengmeng LiYapin Wang

Abstract

A new 3D measuring method based on computer-generated moiré fringes is proposed. The two AC components of the 0-degree and 90-degree phase-shifted fringe patterns on reference plane are prepared in advance. While the AC component of the single-shot deformed pattern is multiplied by the two prepared AC components, respectively, two computer-generated moiré fringes can be retrieved. The ratio of the two computer-generated moiré fringes is just the tangent of the phase modulated by the object. It is of great potential in real-time or even dynamical 3D measurement due to its single-shot deformed pattern feature, and it avoids the influences of the object's reflectivity simultaneously. Compared to the Fourier transform profilometry, its error is smaller due to its higher first-order spectrum. Experimental results show the feasibility and validity of the proposed method.

References

Feb 7, 2007·Applied Optics·Xianfu MaoXianyu Su
Sep 15, 1984·Applied Optics·V SrinivasanM Halioua
Mar 26, 2014·Optics Express·Wei-Yao ChangKen Y Hsu
May 4, 2016·Optics Express·Chufan JiangSong Zhang
Jul 15, 2016·Optics Express·Kai ZhongCongjun Wang

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Citations

May 28, 2019·Scientific Reports·Chengmeng LiCheng Chen
Jul 17, 2020·Optics Express·Mingyou DaiYiping Cao
May 28, 2021·Scientific Reports·Hechen ZhangYingying Wan
Jul 16, 2021·Applied Optics·Jiajia Jiang, Hongwei Guo

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