X-ray imaging of fast dynamics with single-pixel detector.

Area of Science:

• Physics
• Imaging Science
• Optics

Background:

• High-resolution imaging of fast dynamics is crucial for scientific research.
• Traditional X-ray imaging methods face limitations in capturing rapid, dynamic processes at high resolution.

Purpose of the Study:

• To demonstrate the use of a single-pixel detector for two-dimensional high-resolution X-ray imaging of fast dynamics.
• To develop a computational ghost imaging approach for this purpose.

Main Methods:

• Utilizing a single-pixel detector.
• Employing the computational ghost imaging technique.
• Imaging a spinning chopper at 100 kHz with approximately 40-micron spatial resolution.

Main Results:

• Successfully achieved two-dimensional high-resolution X-ray imaging of fast dynamics.
• Demonstrated imaging of a 100 kHz spinning chopper with 40-micron resolution.
• Validated the capability for large field-of-view imaging at low dose.

Conclusions:

• A single-pixel detector combined with computational ghost imaging is effective for high-resolution X-ray imaging of fast dynamics.
• The technique is suitable for studying periodic or stimulated dynamic effects.
• Offers potential for low-dose, large-field-of-view imaging applications.