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1 August 2021 Development of a user-friendly time resolved scanning transmission x-ray microscope at the Advanced Light Source
Hendrik Ohldag, Thomas Feggeler, David Shapiro, Yatish Kumar, Gregory Portman, Eric Norum, Anastasiia Butko
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Proceedings Volume 11839, X-Ray Nanoimaging: Instruments and Methods V; 1183907 (2021) https://doi.org/10.1117/12.2595552
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States
Abstract
Time resolved x-ray microscopy allows researchers to investigate variation of the electronic structure of a material during chemical, structural or magnetic changes with picosecond time resolution. In this talk we will show how such a microscope can be realized using a field programming gate array in combination with a fast point detector. We will show results based on an existing setup, e.g. movies of spin waves in confined magnetic structures with a periodicity of a few ns, but also describe how this method can be extended to dynamical processes with longer observation times using state of the art FPGA technology. Time resolved measurements with high spatial resolution will be an important part of research at future x-ray sources like e.g. ALS-U.
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Hendrik Ohldag, Thomas Feggeler, David Shapiro, Yatish Kumar, Gregory Portman, Eric Norum, and Anastasiia Butko "Development of a user-friendly time resolved scanning transmission x-ray microscope at the Advanced Light Source", Proc. SPIE 11839, X-Ray Nanoimaging: Instruments and Methods V, 1183907 (1 August 2021); https://doi.org/10.1117/12.2595552
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KEYWORDS
X-rays
Light sources
Microscopes
Picosecond phenomena
Field programmable gate arrays
Sensors
Synchrotrons
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