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Proceedings Paper

The Objective Speckle Of Stickling Foil And Its Applications
Author(s): Han Jinhu; Tu Meirong
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Paper Abstract

Objective speckle of sticking foil is a new approach to apply the objective speckle method into various materials for in-plane displacement measurememts. Specimen surface has been treated by sticking a thin layer of aluminium foil and scratching a random grating by relatively easy technique in order to form high reflectance and fine optical details. After double exposes by direct recording system without using lenses, the holographic film possesses a broad spatial spectrum range and displacement information. Full-field contour maps are obtained with clear lines of equal displacement, high sensitivity, and large adju-stable measurement range. It is available for practical engineering problems and for both plane and developable curved surfaces.

Paper Details

Date Published: 17 February 1987
PDF: 5 pages
Proc. SPIE 0814, Photomechanics and Speckle Metrology, (17 February 1987); doi: 10.1117/12.941686
Show Author Affiliations
Han Jinhu, Chinese Academy of Sciences (China)
Tu Meirong, Chinese Academy of Sciences (China)

Published in SPIE Proceedings Vol. 0814:
Photomechanics and Speckle Metrology
Fu-Pen Chiang, Editor(s)

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