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Figure 4
Material thickness D, which according to (12) will retard a passing plane wavefield by 2π in phase, depending on photon energy for the low-Z elements Li and Be and for pmma, Si and Ni. |
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Figure 4
Material thickness D, which according to (12) will retard a passing plane wavefield by 2π in phase, depending on photon energy for the low-Z elements Li and Be and for pmma, Si and Ni. |