Fiber optic moiré interferometric profilometry

Libo Yuan; Yanlei Liu; Weimin Sun

doi:10.1117/12.570131

20 January 2005 Fiber optic moiré interferometric profilometry

Libo Yuan, Yanlei Liu, Weimin Sun

Proceedings Volume 5633, Advanced Materials and Devices for Sensing and Imaging II; (2005) https://doi.org/10.1117/12.570131
Event: Photonics Asia, 2004, Beijing, China

Abstract

Based on three-fiber optic Moiré interferometric technique, a novel profilometry has been proposed and demonstrated in this paper. The square and hexagon grid interferometric fringe pattern formed by fiber optic interferometric grid generator have been designed and performed. The designing and realizing methods of the fiber optic interferometric grid pattern by using three PM fibers are discussed. Theoretically, the three-fiber coherence optical field intensity distribution has been deduced and the simulation results are also presented. The configuration of the fiber optic Moiré three-dimensional shape measuring system is introduced. For example, a small half-sphere has been used to demonstrate how to reconstruct the three-dimensional shape by fiber optic Moiré interferometric technique.

Citation Download Citation

Libo Yuan, Yanlei Liu, and Weimin Sun "Fiber optic moiré interferometric profilometry", Proc. SPIE 5633, Advanced Materials and Devices for Sensing and Imaging II, (20 January 2005); https://doi.org/10.1117/12.570131

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