Abstract

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.

© 2019 Optical Society of America

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Supplementary Material (1)

NameDescription
» Visualization 1       The Visualization includes a movie of the laser ablation process in liquids with X-ray transmission and differential phase contrast in horizontal and vertical directions. The movie illustrates the formation of the first cavitation bubble, followed by

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