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Optical Engineering

Curved-ray technique to measure the stress profile in tempered glass
Author(s): G. Wayne Brodland; Allan Dolovich
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Paper Abstract

We present a new laser method that exploits curved-ray effects and that provides a practical method to investigate the stress profile in tempered glass. A feature of the technique is that the probing laser beam curves sufficiently that it exits on the same side as it enters; it does not reflect off or exit from the opposite side. The governing equations are formulated and studied using analytical methods and computer simulations. For a typical piece of tempered glass, the distance between the entry and exit points is of the order of a few tens of centimeters and is highly sensitive to details of the underlying stress distribution.

Paper Details

Date Published: 1 September 2000
PDF: 5 pages
Opt. Eng. 39(9) doi: 10.1117/1.1287935
Published in: Optical Engineering Volume 39, Issue 9
Show Author Affiliations
G. Wayne Brodland, Univ. of Waterloo (Canada)
Allan Dolovich, Univ. of Saskatchewan (Canada)

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