Speckle Shearing Photography: A Tool for Direct Measurement of Surface Strains
Applied Optics, Vol. 37, Issue 8, pp. 1292-1298 (1998)
http://dx.doi.org/10.1364/AO.37.001292
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Abstract
I report on a new optical technique that uses the principles of speckle photography and wave-front shearing to obtain the measurement of surface strains. The strain information stored at each point on the object surface is read out on a point-wise basis. The method is developed from a theoretical point of view, and experimental results are presented.
© 1998 Optical Society of America
[Optical Society of America ]
OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(110.5200) Imaging systems : Photography
Citation
Pramod K. Rastogi, "Speckle Shearing Photography: A Tool for Direct Measurement of Surface Strains," Appl. Opt. 37, 1292-1298 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-8-1292
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