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Proceedings Paper

Evaluation of 3D displacement components by combining DSCM with ESPI
Author(s): Ping Sun; Kai Shi; Mingyong Sun; Haibin Sun
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Paper Abstract

A method for three-dimensional (3-D) deformation measurement is presented by combining Digital Speckle Correlation Method (DSCM) with Electronic Speckle Pattern Interferometry (ESPI). The combination is completed based on a typical ESPI system, in which the reference light is controlled to turn on or shut down. The in-plane displacement components are obtained by using DSCM when the reference light is shut. A phase shifting ESPI is formed when the reference light is used, which can be used for the measurement of the out-plane displacement component. A typical three-point-bending experiment is completed. Experiment results show that the three displacement components can be obtained by the combination effectively.

Paper Details

Date Published: 24 November 2016
PDF: 6 pages
Proc. SPIE 10023, Optical Metrology and Inspection for Industrial Applications IV, 100231V (24 November 2016); doi: 10.1117/12.2246288
Show Author Affiliations
Ping Sun, Shandong Normal Univ. (China)
Kai Shi, Shandong Normal Univ. (China)
Mingyong Sun, Shandong Xiehe Univ. (China)
Haibin Sun, Shandong Normal Univ. (China)
Taishan Univ. (China)

Published in SPIE Proceedings Vol. 10023:
Optical Metrology and Inspection for Industrial Applications IV
Sen Han; Toru Yoshizawa; Song Zhang, Editor(s)

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