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(35) Singularity spectrum analysis of scattered laser light
¡¡¡¡¡¡Engineering Research (The Bulletin of Graduate School of Engineering, Hokkai-Gakuen University),
¡¡¡¡¡¡No.5,pp.63-71,2005-10

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Unconventional speckle patterns having fractal features can be produced by illuminating a plane diffuser by coherent light having an intensity distribution obeying a negative power function. Although such speckles have been shown to have fractal properties, there is also an evidence that indicates that the speckles are not simple fractals. In this study, therefore, the speckles are analyzed on the basis of multifractal approach that can describe complex fractal structures, and are actually shown to be multifractal in an approximate sense.


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