Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings
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 pha...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2024-01-01
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| Series: | Applied Physics Express |
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| Online Access: | https://doi.org/10.35848/1882-0786/ad9665 |
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| _version_ | 1850246219167694848 |
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| author | Atsushi Momose Pouria Zangi Pascal Meyer Martin Börner Shinji Kobayashi Yichen Fang Ryosuke Ueda Yoshichika Seki |
| author_facet | Atsushi Momose Pouria Zangi Pascal Meyer Martin Börner Shinji Kobayashi Yichen Fang Ryosuke Ueda Yoshichika Seki |
| author_sort | Atsushi Momose |
| collection | DOAJ |
| description | 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. |
| format | Article |
| id | doaj-art-2babf7f84c754a8c91f9842df3eaa795 |
| institution | OA Journals |
| issn | 1882-0786 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Applied Physics Express |
| spelling | doaj-art-2babf7f84c754a8c91f9842df3eaa7952025-08-20T01:59:14ZengIOP PublishingApplied Physics Express1882-07862024-01-01171212200310.35848/1882-0786/ad9665Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratingsAtsushi Momose0Pouria Zangi1Pascal Meyer2Martin Börner3Shinji Kobayashi4Yichen Fang5Ryosuke Ueda6Yoshichika Seki7Institute of Multidisciplinary Research for Advanced Materials, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JapanInstitute of Microstructure Technology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, GermanyInstitute of Microstructure Technology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, GermanyInstitute of Microstructure Technology, Karlsruhe Institute of Technology , Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, GermanyGraduate School of Engineering, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JapanGraduate School of Engineering, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JapanInstitute of Multidisciplinary Research for Advanced Materials, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JapanInstitute of Multidisciplinary Research for Advanced Materials, Tohoku University , 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, JapanX-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.https://doi.org/10.35848/1882-0786/ad9665phase imagingX-ray imaginggratingTalbot interferometerlens arraysensitivity enhancement |
| spellingShingle | Atsushi Momose Pouria Zangi Pascal Meyer Martin Börner Shinji Kobayashi Yichen Fang Ryosuke Ueda Yoshichika Seki Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings Applied Physics Express phase imaging X-ray imaging grating Talbot interferometer lens array sensitivity enhancement |
| title | Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings |
| title_full | Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings |
| title_fullStr | Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings |
| title_full_unstemmed | Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings |
| title_short | Signal enhancement in X-ray Talbot interferometry with a pair of concave and convex parabolic phase gratings |
| title_sort | signal enhancement in x ray talbot interferometry with a pair of concave and convex parabolic phase gratings |
| topic | phase imaging X-ray imaging grating Talbot interferometer lens array sensitivity enhancement |
| url | https://doi.org/10.35848/1882-0786/ad9665 |
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