Constantin Rauch
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View article: Enhanced grating characterization method for absorbing x-ray gratings by bidirectional angular x-ray transmission
Enhanced grating characterization method for absorbing x-ray gratings by bidirectional angular x-ray transmission Open
High-quality x-ray absorption gratings are essential for grating-based x-ray phase-contrast imaging. Bidirectional angular x-ray transmission (AXT) measurements, as proposed in this work, allow for large-area and nondestructive characteriz…
View article: Demonstrating grating-based phase-contrast imaging of laser-driven shock waves
Demonstrating grating-based phase-contrast imaging of laser-driven shock waves Open
Single-shot X-ray phase-contrast imaging is used to take high-resolution images of laser-driven strong shock waves. Employing a two-grating Talbot interferometer, we successfully acquire standard absorption, differential phase-contrast, an…
View article: ERRATUM: Design of a Talbot phase-contrast microscopy imaging system with a digital detector for laser-driven X-ray backlighter sources
ERRATUM: Design of a Talbot phase-contrast microscopy imaging system with a digital detector for laser-driven X-ray backlighter sources Open
ERRATUM: Design of a Talbot phase-contrast microscopy imaging system with a digital detector for laser-driven X-ray backlighter sources, S. Schreiner, C. Rauch, B. Akstaller, P. Bleuel, E. Fröjdh, V. Ludwig, A.S. Martynenko, P. Meyer, A. M…
View article: Design of a Talbot phase-contrast microscopy imaging system with a digital detector for laser-driven X-ray backlighter sources
Design of a Talbot phase-contrast microscopy imaging system with a digital detector for laser-driven X-ray backlighter sources Open
Laser-driven shock waves in matter propagate with multiple kilometers per second and therefore require sources like a laser-driven backlighter, which emit the X-rays within picoseconds, to be able to capture sharp images. The small spatial…
View article: Stabilizing high aspect ratio x-ray gratings with top layer resist grid
Stabilizing high aspect ratio x-ray gratings with top layer resist grid Open
A problem with high aspect ratio x-ray gratings, fabricated by the deep x-ray LIGA process, is the collapse of the metallic structure when the resist is removed. A unique method that consists of positioning perpendicular metal bridges on t…
View article: Electromagnetic pulse protective shielding for digital x-ray detectors
Electromagnetic pulse protective shielding for digital x-ray detectors Open
Laser-driven x-ray backlighting can be used to image fast dynamic processes like the propagation of laser-driven shock waves in matter. We demonstrate and evaluate the feasibility of operating the JUNGFRAU detector designed by PSI, a direc…
View article: X-ray Dark-Field Imaging for Improved Contrast in Historical Handwritten Literature
X-ray Dark-Field Imaging for Improved Contrast in Historical Handwritten Literature Open
If ancient documents are too fragile to be opened, X-ray imaging can be used to recover the content non-destructively. As an extension to conventional attenuation imaging, dark-field imaging provides access to microscopic structural object…