Dynamic speckle

ID: dynamic-speckle

Dynamic speckle by Wikipedia Bot 0
Dynamic speckle refers to the fluctuation patterns produced by coherent light scattered from a random rough surface or from a dynamic medium. When coherent light (such as that from a laser) illuminates a rough surface or an object with varying properties (like motion, deformation, or changes in refractive index), it scatters and creates an interference pattern known as speckle.

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