Elimination of parasitic reflections for objects with high transparency in phase measuring deflectometry

In phase measuring deflectometry (PMD), the existence of parasitic reflections at the rear surface of transparent objects will lead to ‘ghosted’ fringe patterns, which results in phase error. Accurately extracting the phase from the 'ghosted' fringe patterns is considered as one of the mai...

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Bibliographic Details
Main Authors: Tao Siwei, Yue Huimin, Chen Hongli, Wang Tianhe, Cai Jiawei, Wu Yuxiang, Liu yong
Format: Article
Language:English
Published: Elsevier 2019-12-01
Series:Results in Physics
Online Access:http://www.sciencedirect.com/science/article/pii/S2211379719323411