Figure 1 | Scientific Reports

Figure 1

From: X-ray dark-field tomography reveals tooth cracks

Figure 1

Schematic overview of the experimental setup, including a grating interferometer. The source grating G0 provides enough spatial coherence to generate a self-interference effect after the phase-grating G1. The subsequent modulation is recorded by a phase-stepping procedure with the attenuation grating G2 and yields the attenuation as well as information about the refractive index and small-angle X-ray scattering.

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