Abstract:

High-resolution x-ray spectrometers, with the exception of those using cryogenic sensors, require an x-ray source, a dispersing element, and a detector. The synchrotron community and industrial X-ray R&D have devoted decades of effort to develop top-quality components that are now readily available. Ten years ago, my research group at the University of Washington and an independent team at the Technical University of Berlin began to use these modern ingredients to construct hard x-ray laboratory spectrometers. Laboratory spectrometers have already had a significant impact on the technical and professional ecosystems for X-ray Absorption Fine Structure (XAFS) and X-ray Emission Spectroscopy (XES).  A growing number of research articles use laboratory based instruments, furthermore those instruments provide preliminary information for general user proposals and see excellent use in preparation for synchrotron beamtime.  Perhaps most importantly, these instruments are also attracting new users to the XAFS/XES community and serving as instructional platforms.  In this seminar, I’ll summarize these developments and offer my predictions and ideas for the future. 

Location (Hybrid):
In person: 401/A1100

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