Real time high accuracy phase contrast imaging with parallel acquisition speckle tracking*
被引:0
|
作者:
Hu, Zhe
论文数: 0引用数: 0
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机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Hu, Zhe
[1
,2
]
Hua, Wen-Qiang
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机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Shanghai Adv Res Inst, SSRF, Shanghai 201204, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Hua, Wen-Qiang
[1
,3
]
Wang, Jie
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Chinese Acad Sci, Shanghai Adv Res Inst, SSRF, Shanghai 201204, Peoples R ChinaChinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Wang, Jie
[1
,3
]
机构:
[1] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Chinese Acad Sci, Shanghai Adv Res Inst, SSRF, Shanghai 201204, Peoples R China
phase contrast imaging;
near field speckle;
grating splitter;
TOMOGRAPHY;
RESOLUTION;
RETRIEVAL;
NOISE;
D O I:
10.1088/1674-1056/abee08
中图分类号:
O4 [物理学];
学科分类号:
0702 ;
摘要:
X-ray speckle tracking based methods can provide results with best reported angular accuracy up to 2 nrad. However, duo to the multi-frame requirement for phase retrieval and the possible instability of the x-ray beam, mechanical and background vibration, the actual accuracy will inevitably be degraded by these time-dependent fluctuations. Therefore, not only spatial position, but also temporal features of the speckle patterns need to be considered in order to maintain the superiority of the speckle-based methods. In this paper, we propose a parallel acquisition method with advantages of real time and high accuracy, which has potential applicability to dynamic samples imaging as well as on-line beam monitoring. Through simulations, we demonstrate that the proposed method can reduce the phase error caused by the fluctuations to 1% at most compared with current speckle tracking methods. Meanwhile, it can keep the accuracy deterioration within 0.03 nrad, making the high theoretical accuracy a reality. Also, we find that waveforms of the incident beam have a little impact on the phase retrieved and will not influence the actual accuracy, which relaxes the requirements for speckle-based experiments.
机构:
Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Wang, Zhentian
Huang, Zhifeng
论文数: 0引用数: 0
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机构:
Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Huang, Zhifeng
Zhang, Li
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Zhang, Li
Kang, Kejun
论文数: 0引用数: 0
h-index: 0
机构:
Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Tsinghua Univ, Key Lab Particle & Radiat Imaging, Minist Educ, Beijing 100084, Peoples R ChinaTsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
Kang, Kejun
Zhu, Peiping
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing 100049, Peoples R ChinaTsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
机构:
Univ Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USAUniv Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USA
Pelz, Philipp M.
Johnson, Ian
论文数: 0引用数: 0
h-index: 0
机构:
Paul Scherrer Inst, CH-5232 Villigen, SwitzerlandUniv Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USA
Johnson, Ian
Ophus, Colin
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Mol Foundry, Berkeley, CA USAUniv Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USA
Ophus, Colin
Ercius, Peter
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Berkeley, CA 94720 USAUniv Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USA
Ercius, Peter
Scott, Mary C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USA
Lawrence Berkeley Natl Lab, Natl Ctr Electron Microscopy, Mol Foundry, Berkeley, CA USAUniv Calif Berkeley, Mat Sci & Engn Dept, Berkeley, CA 94720 USA
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Mayhew, Eric
Wood, Eric
论文数: 0引用数: 0
h-index: 0
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Wood, Eric
McGann, Brendan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
McGann, Brendan
Mitsingas, Constandinos
论文数: 0引用数: 0
h-index: 0
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Mitsingas, Constandinos
Oldani, Anna
论文数: 0引用数: 0
h-index: 0
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Oldani, Anna
Rajasegar, Rajavasanth
论文数: 0引用数: 0
h-index: 0
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Rajasegar, Rajavasanth
Temme, Jacob
论文数: 0引用数: 0
h-index: 0
机构:
Combat Capabil Dev Command Army Res Lab, Aberdeen Proving Ground, MD 21005 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Temme, Jacob
Kweon, Chol-Bum
论文数: 0引用数: 0
h-index: 0
机构:
Combat Capabil Dev Command Army Res Lab, Aberdeen Proving Ground, MD 21005 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Kweon, Chol-Bum
Matusik, Katarzyna
论文数: 0引用数: 0
h-index: 0
机构:
Argonne Natl Lab, Xray Sci Div, Lemont, IL 60439 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Matusik, Katarzyna
Kastengren, Alan
论文数: 0引用数: 0
h-index: 0
机构:
Combat Capabil Dev Command Army Res Lab, Aberdeen Proving Ground, MD 21005 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Kastengren, Alan
Lee, Tonghun
论文数: 0引用数: 0
h-index: 0
机构:
Univ Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA
Combat Capabil Dev Command Army Res Lab, Aberdeen Proving Ground, MD 21005 USAUniv Illinois, Dept Mech Sci & Engn, Urbana, IL 61801 USA