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physics.optics2026
A unified self-supervised framework for single-frame Fresnel CDI and overlapped ptychography
Oliver Hoidn, Albert Vong, Aashwin Mishra +3
Ptychographic imaging at synchrotron and X-ray free-electron laser sources requires densely overlapping scans, which limits throughput and increases dose; extending coherent diffra…
physics.optics2025
Data Driven Drift Correction For Complex Optical Systems
Aashwin Mishra, Matt Seaberg, Ryan Roussel +4
To exploit the thousand-fold increase in spectral brightness of modern light sources, increasingly intricate experiments are being conducted that demand extremely precise beam traj…