Proceedings PaperSpeckle In Confocal Scanning Optical Microscopes
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Using a "free" propagation model, we examine the statistical properties of speckle patterns in confocal scanning optical microscopes. Both reflection and transmission geometries are considered. Expressions for the contrast in both in and out of focus planes are derived in terms of the statistical parameters of the rough surfaces and the geometry of the optical system. The results are evaluated numerically and compared to experimental data.