Measurement of three-dimensional displacement fields and shape using electronic speckle photography

Per Synnergren

doi:10.1117/1.601456

1 August 1997 Measurement of three-dimensional displacement fields and shape using electronic speckle photography

Per Synnergren

Optical Engineering, Vol. 36, Issue 8, (August 1997). https://doi.org/10.1117/1.601456

A stereoscopic electronic speckle photography system is presented that detects 3-D displacement fields or object shape with subpixel accuracy. The system is all electronic, and data are stored, results are presented, and calculations are performed in a PC computer. The expected standard deviation of measurements of small deformations are about 0.001% of the object size for in-plane measurements and about 0.006% of the object size for the out-of-plane component, when white light speckles are used.

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Per Synnergren "Measurement of three-dimensional displacement fields and shape using electronic speckle photography," Optical Engineering 36(8), (1 August 1997). https://doi.org/10.1117/1.601456

Published: 1 August 1997

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