光学的全視野計測法の現状とその標準化　　２成分同時積分型位相シフト法によるモアレ干渉縞解析

DOI Web Site 被引用文献6件 参考文献9件

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タイトル別名
  • Simultaneous Analysis of Two Phase Components for Moiré Interferometry by Two-directional Integrated Phase-shifting Method
  • 2 セイブン ドウジ セキブンガタ イソウ シフトホウ ニ ヨル モアレ カンショウジマ カイセキ

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抄録

A new approach to simultaneous measurement of two different displacement fields by two-directional integrated phase-shifting for moire interferometry is proposed in order to enable the analysis of time-varying problems. Two moire fringe patterns for both of two displacement components produced simultaneously by four-beam interference are recorded as a single image. Then, the phase distributions representing both displacements are separated and obtained from a series of 12 images by adopting simultaneous phase-shifting for both directions. An example problem of rigid body rotation with carrier fringes is demonstrated by use of the proposed method and the effectiveness is shown. It is emphasized that measurement and subsequent analysis can be carried out in real-time since the phase-shifting is performed without stopping and images are recorded successively in the proposed method.

収録刊行物

  • 実験力学

    実験力学 2 (1), 44-49, 2002

    日本実験力学会

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