Large deformation measurement using ESPI

Koji Tenjimbayashi

doi:10.1117/12.253106

30 September 1996 Large deformation measurement using ESPI

Koji Tenjimbayashi

Proceedings Volume 2888, Laser Processing of Materials and Industrial Applications; (1996) https://doi.org/10.1117/12.253106
Event: Photonics China '96, 1996, Beijing, China

Abstract

This paper shows that the electronic speckle pattern interferometry (ESPI) using large capacity image memory makes possible to measure the large deformation distribution of a rough surface object precisely. A simple experiment to measure the large deformation of a cantilever which cannot be measured by a conventional ESPI is performed and its analysis shows the measurement error is small.

Citation Download Citation

Koji Tenjimbayashi "Large deformation measurement using ESPI", Proc. SPIE 2888, Laser Processing of Materials and Industrial Applications, (30 September 1996); https://doi.org/10.1117/12.253106

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