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LANS Seminar
December 15, 2021 @ 10:30 - 11:30 CST
Seminar Title: Method Development of X-Ray Ptychography: Towards High-Resolution and High-Throughput Coherent Imaging
Speaker: Yudong Yao, Assistant Physicist – Term, XSD
Date/Time: December 15, 2021 / 10:30 AM – 11:30 AM
Location: See meeting URL on the cels-seminars website (requires Argonne login)
Host: Vishwas Rao
Description: X-ray ptychography has become a widely used imaging technique to view internal structures of samples at nanoscale resolution. As a scanning variant of coherent diffraction imaging, ptychography doesn’t put a limit on the imaging field of view. However, its potential application, such as large field-of-view imaging and three-dimensional imaging, is still limited due to the low throughput because of the high coherent flux requirement and the scanning mechanism. Advanced method development and algorithm improvement are therefore desired to accelerate both data acquisition and data processing speed while maintaining spatial resolution. In this talk, I will introduce the developed broadband ptychography and multi-beam ptychography methods which provide efficient ways to increase ptychography data acquisition speed. In addition, I will discuss the application of the deep learning approach for accelerating the data processing speed for coherent diffraction imaging, including ptychography.
Please note that the meeting URL for this event can be seen on the cels-seminars website, which requires an Argonne login.