Microscopic digital imaging strain gauge

Details Microscopic digital imaging strain gauge Microscopic digital imaging strain gauge

1997-12-05

1999-07-06

Rosenberger, Richard A.

Optics: measuring and testing

Material strain analysis

73800, G01L 124

Patent

active

059203838

ABSTRACT:
A strain gauge includes an image sensing device having a lens, a magnification lens optically coupled to the lens, a positioning mechanism connected to the image sensing device, an image capture device for receiving an image from the image sensing device, and a processor for mathematically analyzing the image received from the image capture device and to calculate strain.

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William N. Sharpe, Jr., "Interferometric Surface Strain Measurement", 1971, vol. 3, pp. 59-76, No. 1, International Journal of Nondestructive Testing.

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