Quantitative Three-Dimensional Optical Tomographic Imaging of Supersonic Flows

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Science  18 Dec 1987:
Vol. 238, Issue 4834, pp. 1700-1702
DOI: 10.1126/science.238.4834.1700


Three-dimensional imaging of the density of nitrogen in a supersonic expansion from a nozzle by means of beam-deflection optical tomography is described. With a very simple apparatus, images could be obtained with high absolute accuracy, high spatial resolution, and wide dynamic range.