Soft X-ray ptychography method at SSRF
Wang, CP; Xu, ZJ; Liu, HG; Tao, X; Tai, RZ
2017
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号28期号:6页码:-
文章类型期刊论文
摘要Ptychography is a diffraction-based X-ray microscopy technique in which an extended sample is scanned by a coherent beam with overlapped illuminated areas and complex transmission function of the sample is obtained by applying iterative phase retrieval algorithms to the diffraction patterns recorded at each scanned position. It permits quantitatively imaging of non-crystalline specimens at a resolution limited only by the X-ray wavelength and the maximal scattering angle detected. In this paper, the development of soft X-ray ptychography method at the BL08U1A beamline of Shanghai Synchrotron Radiation Facility is presented. The experimental setup, experimental parameters selection criteria, and post-experimental data analyzing procedures are presented in detail with a prospect of high-resolution image reconstruction in real time. The performance of this newly implemented method is demonstrated through the measurements of a resolution test pattern and two real samples: Pt-Co alloy nanoparticles and a breast cancer cell. The results indicate that strong scattering specimens can be reconstructed to sub-20 nm resolution, while a sub-25 nm resolution for biological specimens can be achieved.
关键词Free-electron Laser Diffraction Microscopy Phase Retrieval Resolution Cells Illumination Algorithm
DOI10.1007/s41365-017-0227-6
关键词[WOS]FREE-ELECTRON LASER ; DIFFRACTION MICROSCOPY ; PHASE RETRIEVAL ; RESOLUTION ; CELLS ; ILLUMINATION ; ALGORITHM
收录类别SCI
语种英语
WOS记录号WOS:000402895400002
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28821
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Wang, CP,Xu, ZJ,Liu, HG,et al. Soft X-ray ptychography method at SSRF[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(6):-.
APA Wang, CP,Xu, ZJ,Liu, HG,Tao, X,&Tai, RZ.(2017).Soft X-ray ptychography method at SSRF.NUCLEAR SCIENCE AND TECHNIQUES,28(6),-.
MLA Wang, CP,et al."Soft X-ray ptychography method at SSRF".NUCLEAR SCIENCE AND TECHNIQUES 28.6(2017):-.
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