The dynamics of the speckle pattern from a rotating, diffusely reflecting object under laser illumination are analyzed. These are described by the general spatiotemporal cross-correlation function of the optical intensity. An analytical expression for this function is derived that is interpreted in terms of the observed phenomena of speckle boiling and rotation. Experimental results are presented in quantitative support of this expression.
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James H. Churnside (1982) studied this question.
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