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X‐ray interferometric investigation of homogeneity of substances

The influence of inhomogeneous distribution of substance density on interference patterns of X‐rays is investigated. It is shown experimentally that during preliminary transition of superposing Roentgen waves through samples with inhomogeneous distribution of substance density, irregular phase shifts occur in these waves, leading to disappearance of interference patterns. Special two‐ and three crystal interferometers are developed for such investigations.