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physics.optics2025
Subpixel correction of diffraction pattern shifts in ptychography via automatic differentiation
Zhengkang Xu, Yanqi Chen, Hao Xu +10
Ptychography, a coherent diffraction imaging technique, has become an indispensable tool in materials characterization, biological imaging, and nanostructure analysis due to its ca…
physics.optics2024
Multi-color Wavefront Sensor using Talbot effect for High-order Harmonic Generation
Yang Du, Kui Li, Jin Niu +6
We present a novel method for multi-color wavefront measurement of high-order harmonic generation beams using the Talbot effect, validated both theoretically and experimentally for…