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

页码：2306 / 2309

页数：4

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