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Author

O. Chubar

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4 papers indexed here

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Oct 2026

End-to-end wave-optics simulation of XMCD Fourier transform holography

We present an end-to-end wave-optics simulation of Fourier transform holography (FTH) with x-ray magnetic circular dichroism (XMCD) contrast, implemented within the Synchrotron Radiation Workshop (SRW). The framework models the complete imaging chain, from undulator radiation through polarization-dependent sample inter...

A. He, O. Chubar, Wen Hu et al. · 0 citations
Oct 2026

Partially coherent simulations supporting development and use of nanofocusing x-ray optics

The Synchrotron Radiation Workshop code enables high-fidelity physical-optics simulations through detailed electrodynamics-based modeling of synchrotron radiation sources and simulation of radiation propagation through optical systems. Such simulations are instrumental for the development and adoption of nanofocusing x...

H. Goel, O. Chubar, Lei Huang et al. · 0 citations
Oct 2026

Partially coherent start-to-end simulations of ptychography at synchrotron light sources

We present improvements in the Synchrotron Radiation Workshop code enabling efficient modeling of start-to-end ptychography imaging experiments, explicitly addressing partial coherence and source and optics instabilities. Leveraging enhancements to SRW’s GPU-accelerated computing support, we simulate the full experimen...

H. Goel, O. Chubar, A. Gleason-Holbrook et al. · 0 citations
Oct 2026

Single-shot in-line x-ray holography under partially coherent illumination using a self-supervised physics-informed generative reconstruction

Single-shot in-line x-ray holography is a promising phase-contrast technique for time-resolved and dose-sensitive synchrotron imaging, but quantitative phase recovery from a single hologram is ill-posed and further complicated by partial coherence. Finite source size, beamline optics, apertures, and propagation geometr...

Xiao-Gang Yang, A. He, H. Goel et al. · 0 citations

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