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Proceedings Paper

Advances In The Laser Speckle Strain Gauge
Author(s): Ichirou Yamaguchi
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Paper Abstract

Basic principles and advances of the laser speckle strain gauge are described which optoelectronically detects speckle displacements caused by deformation of a diffuse surface and separates strain by means of differential optical systems. It is a perfectly non-contacting and automatic method. Several problems for practical application of the gauge are presented together with proposals for solving them.

Paper Details

Date Published: 17 February 1987
PDF: 8 pages
Proc. SPIE 0814, Photomechanics and Speckle Metrology, (17 February 1987); doi: 10.1117/12.941687
Show Author Affiliations
Ichirou Yamaguchi, The Institute of Physical and Chemical Research (Japan)


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

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