Single-shot imaging with randomized structured illumination at a free electron laser
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arXiv
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| Autores principales: | , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866910037601943552 |
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| author | Levitan, Abraham L. Keskinbora, Kahraman Pancaldi, Matteo Engel, Dieter W. Pedersoli, Emanuele Capotondi, Flavio Comin, Riccardo |
| author_facet | Levitan, Abraham L. Keskinbora, Kahraman Pancaldi, Matteo Engel, Dieter W. Pedersoli, Emanuele Capotondi, Flavio Comin, Riccardo |
| contents | Stroboscopic nanoscale imaging with free electron laser light is revolutionizing our understanding of fast dynamics in heterogeneous systems. The short wavelength of X-ray and extreme ultraviolet radiation makes it possible to achieve nanoscale resolution, while resonance with atomic transitions gives access to electronic and magnetic degrees of freedom. Here, we report on our implementation of a recently developed imaging method, randomized probe imaging, at a free electron laser. The advantage of randomized probe imaging over existing methods is its compatibility both with extended and strongly scattering samples. Our implementation delivers robust single-shot reconstructions at up to a full-pitch resolution of 400 nm over a field of view with a 40 μm diameter. We also demonstrate single-shot imaging of magnetic domain structures using circular dichroism at resonance, paving the way to future time-resolved studies of magnetic dynamics, shock physics, and the dynamics of collective electronic phases. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_23873 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Single-shot imaging with randomized structured illumination at a free electron laser Levitan, Abraham L. Keskinbora, Kahraman Pancaldi, Matteo Engel, Dieter W. Pedersoli, Emanuele Capotondi, Flavio Comin, Riccardo Optics Stroboscopic nanoscale imaging with free electron laser light is revolutionizing our understanding of fast dynamics in heterogeneous systems. The short wavelength of X-ray and extreme ultraviolet radiation makes it possible to achieve nanoscale resolution, while resonance with atomic transitions gives access to electronic and magnetic degrees of freedom. Here, we report on our implementation of a recently developed imaging method, randomized probe imaging, at a free electron laser. The advantage of randomized probe imaging over existing methods is its compatibility both with extended and strongly scattering samples. Our implementation delivers robust single-shot reconstructions at up to a full-pitch resolution of 400 nm over a field of view with a 40 μm diameter. We also demonstrate single-shot imaging of magnetic domain structures using circular dichroism at resonance, paving the way to future time-resolved studies of magnetic dynamics, shock physics, and the dynamics of collective electronic phases. |
| title | Single-shot imaging with randomized structured illumination at a free electron laser |
| topic | Optics |
| url | https://arxiv.org/abs/2602.23873 |