Abstract
When a surface is illuminated by laser, the field of diffusing reflective light can be described by Fresnel-Kirchhoff integration in the region of Fresnel. If the correlation, before and after the change of intensity field, is analysed by statistical method, three governing equations for variations of intensity field and speckle movement formulas can be obtained. In these equations, the surface motion, deformation and wavelength change are all considered to cause the speckle movement.
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The project supported by National Natural Science Foundation of China
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Xiaoping, W., Zhichao, L. & Shiping, H. Laser speckle movement caused by surface deformation and light wavelength change. Acta Mech Sinica 7, 186–192 (1991). https://doi.org/10.1007/BF02486847
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DOI: https://doi.org/10.1007/BF02486847