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Proceedings Paper

Scattered Light Speckle And Its Application To Interior Strain Measurement
Author(s): Ye Ying Zhao
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Paper Abstract

By using a "white-light" laser to illuminate a thin sheet of a transparent body seeded with tiny glass beads interior strain fields can be obtained by photographing the speckles before and after deformation via double exposure and subsequent Fourier filtering. Experimental results of interior strains of a block loaded by a ball were obtained and compared to theory with good agreement.

Paper Details

Date Published: 25 November 1986
PDF: 2 pages
Proc. SPIE 0661, Optical Testing and Metrology, (25 November 1986); doi: 10.1117/12.938622
Show Author Affiliations
Ye Ying Zhao, Shanghai University of Engineering & Technology (China)

Published in SPIE Proceedings Vol. 0661:
Optical Testing and Metrology
Chander Prakash Grover, Editor(s)

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