Internal defect detection method based on dual-channel speckle interferometry

Tianyu Yuan,Yinhang Ma,Xiangjun Dai,Xiaoyuan He,Fujun Yang

Optics & Laser Technology（2023）

引用 1|浏览5

暂无评分

摘要

•Dual-channel speckle interferometer for simultaneous measurement of out-of-plane displacement and first-order derivative was reported.•Dual wavelength measurement based on dual-biprism and the single monochromatic camera was verified.•The localization and size of internal defects were quantitatively characterized by the proposed method.•[4+1] Phase-shifting algorithm for measuring dynamic deformation.

查看译文

关键词

Dual-channel speckle interferometry,Simultaneous out-of-plane displacement and slope measurement,Internal defects localization,[4+1] phase-shifting algorithm

AI 理解论文

溯源树

样例

生成溯源树，研究论文发展脉络

Chat Paper

正在生成论文摘要