Abstract:A new optical method is applied for the quantitative measurement of the density field of two-dimensional, stratified or homogeneous, transparent fluids in a laboratory set-up. A crucial new step is the angle at which we place a camera to view the experimental set-up. This step is motivated by a fallacy observed when applying our method in a classical configuration, in which the camera's optical axis is perpendicular to the flat surface of a fluid container. Application of this method is illustrated by the opti… Show more
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