Modulated speckle simulations based on the random-walk model
Optics Letters, Vol. 28, Issue 19, pp. 1748-1750 (2003)
http://dx.doi.org/10.1364/OL.28.001748
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Abstract
The random-walk model is employed to simulate modulated speckle patterns. We demonstrate that the geometrical image approximation fails to describe the modulated speckle pattern. A new approach to analyzing this phenomenon is proposed. The validity of the approximations employed is verified by comparison of the simulation with the experimental results. Speckle metrological applications and phase measurement techniques could be improved by taking advantage of this model.
© 2003 Optical Society of America
OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(110.1220) Imaging systems : Apertures
(110.2990) Imaging systems : Image formation theory
(110.6150) Imaging systems : Speckle imaging
Citation
A. Lencina, P. Vaveliuk, M. Tebaldi, and N. Bolognini, "Modulated speckle simulations based on the random-walk model," Opt. Lett. 28, 1748-1750 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-19-1748
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