Application Of Photosensitive Material For Deformation And Vibration Analysis Of Structures Using Objective Laser Speckles

F. P. Chiang; C. C. Kin

doi:10.1117/12.967853

1 March 1983 Application Of Photosensitive Material For Deformation And Vibration Analysis Of Structures Using Objective Laser Speckles

F. P. Chiang, C. C. Kin

Author Affiliations +

Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967853
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States

Abstract

By illuminating a ground glass with a laser beam, a spatial field of speckles is created. These speckles are used as surface strain or displacement gauging elements of structures under static and vibrational deformation by coating the structural surface with photosensitive material. Equations used in obtaining the strain and displacement are shown.

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F. P. Chiang and C. C. Kin "Application Of Photosensitive Material For Deformation And Vibration Analysis Of Structures Using Objective Laser Speckles", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); https://doi.org/10.1117/12.967853

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