Investigation on interference-type moire deflectometry

Zhaoshu Liao; Ru-Shou Lu; Jingguang Tao; KunTao Yang

doi:10.1117/12.156274

22 September 1993 Investigation on interference-type moire deflectometry

Zhaoshu Liao, Ru-Shou Lu, Jingguang Tao, KunTao Yang

Proceedings Volume 2101, Measurement Technology and Intelligent Instruments; (1993) https://doi.org/10.1117/12.156274
Event: Measurement Technology and Intelligent Instruments, 1993, Wuhan, China

Abstract

A moire deflectometry without the Talbot effect is presented. A grating is replaced by interference fringes to overcome the inability of the Talbot pitch to change continuously. An additive type and a multiplicative type of moire deflectometry are described. The theory is analysed and the features are discussed with examples.

Citation Download Citation

Zhaoshu Liao, Ru-Shou Lu, Jingguang Tao, and KunTao Yang "Investigation on interference-type moire deflectometry", Proc. SPIE 2101, Measurement Technology and Intelligent Instruments, (22 September 1993); https://doi.org/10.1117/12.156274

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