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Article | REF: R1850 V2

Mechanical measurements using optical methods

Authors: Fabrice BRÉMAND, Mario COTTRON, Pascal DOUMALIN, Jean-Christophe DUPRÉ, Arnaud GERMANEAU, Valéry VALLE

Publication date: June 10, 2011

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ABSTRACT

Photo mechanics covers all optical metrology. A wide range of non-contact techniques for measuring exists, often utilized to identify the mechanical behavior of materials in laboratories as well as for monitoring manufacturing processes or the conduct of structures in the industry. These techniques allow for, according to the case, determining scalar, vector or tensor mechanical quantities. In the majority of applications, the spatial variations are of large interest, punctual measurements are then repeated, hence the designation ‘field of view’. Photomechanical techniques constantly evolve, for example, tracking markers, moiré interferometry and shadow moiré.

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AUTHORS

  • Fabrice BRÉMAND: Institut Pprime CNRS – Université de Poitiers – ENSMA UPR 3346

  • Mario COTTRON: Institut Pprime CNRS – Université de Poitiers – ENSMA UPR 3346

  • Pascal DOUMALIN: Institut Pprime CNRS – Université de Poitiers – ENSMA UPR 3346

  • Jean-Christophe DUPRÉ: Institut Pprime CNRS – Université de Poitiers – ENSMA UPR 3346

  • Arnaud GERMANEAU: Institut Pprime CNRS – Université de Poitiers – ENSMA UPR 3346

  • Valéry VALLE: Institut Pprime CNRS – Université de Poitiers – ENSMA UPR 3346

 INTRODUCTION

Photomechanics, which encompasses all optical metrology, offers a wide range of non-contact measurement techniques, often used to identify the mechanical behavior of materials in laboratories, as well as to monitor manufacturing processes or the performance of structures in industry.

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