Contouring by laser speckle
Applied Optics, Vol. 20, Issue 19, pp. 3385-3387 (1981)
http://dx.doi.org/10.1364/AO.20.003385
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Abstract
A technique is presented to determine surface contours of 3-D objects by laser speckle interferometry. A double exposure specklegram is recorded by giving the object a small tilt between exposures. Surface contours are obtained by Fourier filtering of the specklegram.
© 1981 Optical Society of America
Citation
G. K. Jaisingh and F. P. Chiang, "Contouring by laser speckle," Appl. Opt. 20, 3385-3387 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-19-3385
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