Special Section on Speckle-Based Metrology

Speckle metrology of dynamic macro- and microprocesses in deformable media

[+] Author Affiliations
Alexander P. Vladimirov

Ural Federal University, Institute of Physics and Technology, Department of Physical Methods and Devices of Control, Mira Street, 19, Yekaterinburg 200002, Russia

Institute of Engineering Science of Ural Department of Russian Academy of Science, Laboratory of Technical Diagnostics, Komsomolskaya Street, 34, Yekaterinburg 620049, Russia

Yekaterinburg Research Institute of Viral Infections, Cell Culture Laboratory, Letnyaya Street, 23, Yekaterinburg 620030, Russia

Opt. Eng. 55(12), 121727 (Sep 16, 2016). doi:10.1117/1.OE.55.12.121727
History: Received April 18, 2016; Accepted August 24, 2016
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Abstract.  Theory of the speckle dynamics arises in the image plane of the object as a result of deterministic and random displacements of point scattering centers are considered. It was shown that time-average radiation intensity and the correlation coefficient of the speckle image segment depend on the average value, variance, and the correlation time of displacement difference of the scattering center pairs. The sensitivity, accuracy, and calibration of the method are considered. Application of the technique in studies of micro-and macroprocesses in high-cycle fatigue of metals and in a monolayer of live cells is given.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Alexander P. Vladimirov
"Speckle metrology of dynamic macro- and microprocesses in deformable media", Opt. Eng. 55(12), 121727 (Sep 16, 2016). ; http://dx.doi.org/10.1117/1.OE.55.12.121727


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