Zobrazeno 1 - 10
of 1 352
pro vyhledávání: '"coherent diffraction"'
Autor:
Kang-Ching Chu, Chia-Hui Yeh, Jhih-Min Lin, Chun-Yu Chen, Chi-Yuan Cheng, Yi-Qi Yeh, Yu-Shan Huang, Yi-Wei Tsai
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 5, Pp 1340-1345 (2024)
The inherent ambiguity in reconstructed images from coherent diffraction imaging (CDI) poses an intrinsic challenge, as images derived from the same dataset under varying initial conditions often display inconsistencies. This study introduces a metho
Externí odkaz:
https://doaj.org/article/1e4afb72d8e24590bdbdeb816c6dd9cf
Autor:
Junha Hwang, Sejin Kim, Sung Yun Lee, Eunyoung Park, Jaeyong Shin, Jae Hyuk Lee, Myong-jin Kim, Seonghan Kim, Sang-Youn Park, Dogeun Jang, Intae Eom, Sangsoo Kim, Changyong Song, Kyung Sook Kim, Daewoong Nam
Publikováno v:
Journal of Synchrotron Radiation, Vol 31, Iss 3, Pp 469-477 (2024)
Various X-ray techniques are employed to investigate specimens in diverse fields. Generally, scattering and absorption/emission processes occur due to the interaction of X-rays with matter. The output signals from these processes contain structural i
Externí odkaz:
https://doaj.org/article/7b4b3c4160a1463b92a8c7f4ffc5f745
Autor:
Junyong Zhang, Huaiyu Cui, Yuanyuan Liu, Xiuping Zhang, You Li, Dongdi Zhao, Yongpeng Zhao, Qiwen Zhan
Publikováno v:
PhotoniX, Vol 5, Iss 1, Pp 1-8 (2024)
Abstract Extreme ultraviolet (EUV) light is difficult to focus due to strong absorption of most materials. Photon sieves (PS), rather than Fresnel zone plates (FZP), can focus EUV to smaller spot and suppress the higher orders of secondary maxima by
Externí odkaz:
https://doaj.org/article/72c21200ed53425e82aa692ffd9e9bdc
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-5 (2024)
By inserting a modulator in the imaging system and scanning in different positions, ptychographic modulation imaging can achieve higher quality reconstruction for smooth or weakly scattered objects compared to conventional ptychography imaging. Howev
Externí odkaz:
https://doaj.org/article/83a8c2682f894c11a4513a0a0b0133f9
Autor:
Yukio Takahashi, Masaki Abe, Hideshi Uematsu, Shuntaro Takazawa, Yuhei Sasaki, Nozomu Ishiguro, Kyosuke Ozaki, Yoshiaki Honjo, Haruki Nishino, Kazuo Kobayashi, Toshiyuki Nishiyama Hiraki, Yasumasa Joti, Takaki Hatsui
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 5, Pp 989-994 (2023)
Ptychographic coherent diffraction imaging (PCDI) is a synchrotron X-ray microscopy technique that provides high spatial resolution and a wide field of view. To improve the performance of PCDI, the performance of the synchrotron radiation source and
Externí odkaz:
https://doaj.org/article/aa6db4eec9dc4067a952ea1685636fc6
Autor:
Zichen Gao, Jiadong Fan, Yajun Tong, Jianhua Zhang, Bo He, Yonggan Nie, Hui Luan, Donghao Lu, Difei Zhang, Xinye Yuan, Yueran Wang, Zhi Liu, Huaidong Jiang
Publikováno v:
Journal of Synchrotron Radiation, Vol 30, Iss 3, Pp 505-513 (2023)
The characterization of X-ray focal spots is of great significance for the diagnosis and performance optimization of focusing systems. X-ray free-electron lasers (XFELs) are the latest generation of X-ray sources with ultrahigh brilliance, ultrashort
Externí odkaz:
https://doaj.org/article/7348a525f78e4e299d11cc17d03cbafd
Autor:
Nozomu Ishiguro, Fusae Kaneko, Masaki Abe, Yuki Takayama, Junya Yoshida, Taiki Hoshino, Shuntaro Takazawa, Hideshi Uematsu, Yuhei Sasaki, Naru Okawa, Keichi Takahashi, Hiroyuki Takizawa, Hiroyuki Kishimoto, Yukio Takahashi
Publikováno v:
Applied Physics Express, Vol 17, Iss 5, p 052006 (2024)
As the first experiment at BL10U in NanoTerasu, tender X-ray ptychographic coherent diffraction imaging (PCDI) was conducted using a photon energy of 3.5 keV. The ptychographic diffraction patterns from a 200 nm thick Ta test chart and a micrometer-s
Externí odkaz:
https://doaj.org/article/23f2876cccc24d48b795e637d8587189
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