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Proceedings Paper

Diffraction-grating speckle photography for measuring out-of-plane surface displacement
Author(s): W. H. Choi; Jae Heung Jo; Soo Chang; J. Y. Myung
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Paper Abstract

A speckle-photographic method with a diffraction grating is proposed for improving the sensitivity of out-of-plane displacement measurement. This technique is based on the fact that the speckle displacement due to out- of-plane object displacement increases in the higher-order diffracted field.

Paper Details

Date Published: 30 May 1995
PDF: 10 pages
Proc. SPIE 2513, 21st International Congress on: High-Speed Photography and Photonics, (30 May 1995); doi: 10.1117/12.209617
Show Author Affiliations
W. H. Choi, Hannam Univ. (South Korea)
Jae Heung Jo, Hannam Univ. (South Korea)
Soo Chang, Hannam Univ. (South Korea)
J. Y. Myung, Seoul Optical Industrial Co. (South Korea)


Published in SPIE Proceedings Vol. 2513:
21st International Congress on: High-Speed Photography and Photonics
Ung Kim; Joon-Sung Chang; Seung-Han Park, Editor(s)

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