Hard X-Ray Zernike-Type Phase-Contrast Imaging with a Two-Block Crystal System
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866918358037823488 |
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| author | Haroutunyan, Levon |
| author_facet | Haroutunyan, Levon |
| contents | A novel scheme for Zernike-type hard X-ray phase-contrast imaging is proposed. The scheme relies on X-ray dynamical diffraction in a two-block crystal system with parallel crystal plates of equal thickness. A phase shifter providing a $π/2$ phase shift is placed in the inter-block gap of the crystal system. The method operates in a scanning geometry. The proposed imaging setup is compact and does not require conventional focusing optics. Numerical simulations of phase-contrast image formation are performed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2602_22992 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Hard X-Ray Zernike-Type Phase-Contrast Imaging with a Two-Block Crystal System Haroutunyan, Levon Optics Instrumentation and Detectors A novel scheme for Zernike-type hard X-ray phase-contrast imaging is proposed. The scheme relies on X-ray dynamical diffraction in a two-block crystal system with parallel crystal plates of equal thickness. A phase shifter providing a $π/2$ phase shift is placed in the inter-block gap of the crystal system. The method operates in a scanning geometry. The proposed imaging setup is compact and does not require conventional focusing optics. Numerical simulations of phase-contrast image formation are performed. |
| title | Hard X-Ray Zernike-Type Phase-Contrast Imaging with a Two-Block Crystal System |
| topic | Optics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2602.22992 |