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X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...

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Area of Science:

Optics and Imaging
Materials Science
X-ray Physics

Background:

Advanced imaging techniques require precise illumination patterns.
Existing methods for generating X-ray patterns can be complex or limited.
Ghost imaging (GI) and speckle tracking benefit from high-quality illumination.

Purpose of the Study:

To design and fabricate novel, non-configurable X-ray illumination masks.
To demonstrate the utility of these masks in ghost imaging (GI) and related techniques.
To evaluate the quality of reconstructed images generated using these masks.

Main Methods:

Designed and fabricated a set of transversely-displaced masks with random binary and orthogonal patterns.
Utilized photolithography and gold electroplating for mask fabrication.
Experimentally demonstrated mask performance with a laboratory X-ray source for GI.

Main Results:

Successfully generated high-quality X-ray illumination patterns.
Demonstrated the use of individual and mixed patterns from a single wafer for GI.
Characterized and evaluated the quality of reconstructed X-ray ghost images.

Conclusions:

The developed masks are effective for generating high-quality X-ray illumination patterns.
A single wafer can serve as a versatile platform for multiple illumination patterns in GI.
The fabricated masks show promise for various X-ray imaging applications.