Abstract
WE have reported1 observing X-rays diffracted from material which was undergoing shock-wave compression. The shock wave was generated by a conventional high-explosive, plane-wave generator. The four-channel scintillation detector used in that experiment2 demonstrated that diffraction had occurred, but it lacked angular resolution. To make this technique practical, a detector system capable of greater resolution had to be devised, and we have recently constructed a film cassette capable of withstanding the effects of the blast with no appreciable destruction of the film.
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References
Johnson, Q., Mitchell, A., Keeler, R. N., and Evans, L., Phys. Rev. Lett., 25, 1099 (1970).
Johnson, Q., Mitchell, A., and Evans, L., Rev. Sci. Inst. (in the press, 1971).
Christian, R. H., Rep. 4900, Lawrence Radiation Laboratory, Livermore (1957).
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JOHNSON, Q., MITCHELL, A. & EVANS, L. X-ray Diffraction Evidence for Crystalline Order and Isotropic Compression during the Shock-wave Process. Nature 231, 310–311 (1971). https://doi.org/10.1038/231310b0
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DOI: https://doi.org/10.1038/231310b0
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