| Autor: |
Atsushi Momose, Pouria Zangi, Pascal Meyer, Martin Börner, Shinji Kobayashi, Yichen Fang, Ryosuke Ueda, Yoshichika Seki |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
|
| Zdroj: |
Applied Physics Express, Vol 17, Iss 12, p 122003 (2024) |
| Druh dokumentu: |
article |
| ISSN: |
1882-0786 |
| DOI: |
10.35848/1882-0786/ad9665 |
| Popis: |
X-ray Talbot and Talbot–Lau interferometers consisting of transmission gratings are widely used for X-ray phase imaging, which depicts soft materials. This study exploits the use of a pair of concave and convex parabolic gratings instead of a conventional rectangular phase grating to enhance the phase signal optically. To gain insight into the optimal design, signal enhancement is evaluated by directly measuring the self-image formed downstream of the pair. An increase in the differential phase signals is demonstrated as a function of the distance between the pair, and prospects for deploying this concept into a practical phase imaging technique are discussed. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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