Speaker
Description
We report on the implementation of the rocking curve imaging setup with a silicon (111) channel-cut crystal beam expander at Stanford Synchrotron Radiation Light source (SSRL) B17-2. B17-2 is a high-brightness, in-vacuum undulator (IVU) hard X-ray (~5 – 18 keV) beamline optimized for material scattering applications. Recently, we utilized it to perform rocking curve imaging (RCI) of diamond and silicon crystals. The expander is installed in addition to the previously existing RCI optics setup. We achieved horizontal beam magnifications of up to 2.25x at 6.951 keV and 2.5x at 9.831 keV. This work presents the updated RCI setup and experimental results to validate the performance of the Si (111) expander. Future improvements to the setup are also mentioned.
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