A versatile laboratory setup for high resolution X-ray phase contrast tomography and scintillator characterization

Area of Science:

• Materials Science
• Physics
• Imaging Technology

Background:

• X-ray micro-tomography (μCT) is a key non-destructive 3D imaging technique.
• Propagation-based phase-contrast enhances imaging for low-absorption samples.
• Advancements in micro-focus X-ray sources necessitate sensitive detectors and flexible tomography systems for scintillator development.

Purpose of the Study:

• To develop a compact, flexible, and versatile laboratory μCT setup.
• To integrate both absorption and phase contrast imaging capabilities.
• To enable scintillator characterization within a realistic imaging environment.

Main Methods:

• Implementation of a novel laboratory X-ray micro-tomography setup.
• Utilized the setup for μCT in both absorption and propagation-based phase-contrast modes.
• Employed the system for the characterization of a perovskite scintillator.

Main Results:

• Demonstrated 2D and 3D performance in both absorption and phase contrast modes.
• Achieved a spatial resolution of approximately 1.3μm in both 2D and 3D imaging.
• Successfully utilized the setup for testing novel scintillator materials.

Conclusions:

• The developed μCT setup fulfills requirements for standard absorption imaging and enhances contrast in phase contrast mode.
• Provides accessible tomographic measurements and facilitates rapid feedback for scintillator fabrication advancements.
• Offers a versatile platform for both imaging applications and materials research.