Inverted Hartmann mask for single-shot phase-contrast x-ray imaging of dynamic processes

被引：7
|
作者：
Zakharova, Margarita [1 ]
Reich, Stefan [2 ]
Mikhaylov, Andrey [1 ]
Vlnieska, Vitor [1 ]
Rolo, Tomy dos Santos [2 ,3 ]
Plech, Anton [2 ]
Kunka, Danays [1 ]
机构：
[1] Karlsruhe Inst Technol, Inst Microstruct Technol, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[2] Karlsruhe Inst Technol, Inst Photon Sci & Synchrotron Radiat IPS, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany
[3] Southern Univ Sci & Technol, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China
来源：
OPTICS LETTERS | 2019年 / 44卷 / 09期
关键词：
TOMOGRAPHY;
D O I：
10.1364/OL.44.002306
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this Letter, we present the application of the inverted Hartmann mask for time-resolved single-shot phase-contrast x-ray imaging. The inverted Hartmann mask is a periodic array of free-standing gold pillars. The array is manufactured by UV lithography and electroplating. Time-resolved measurements are performed for imaging of pulsed laser ablation in liquids using white-beam synchrotron radiation. The inverted Hartmann mask in combination with a single-shot imaging technique provides sufficient differential phase contrast even at very short exposure times. It can be effectively used for phase-contrast x-ray imaging of fast dynamic processes with temporal resolution on the millisecond scale. (C) 2019 Optical Society of America
引用
收藏
页码：2306 / 2309
页数：4
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