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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...

Imaging Studies for Cardiovascular System III: X-Ray

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Updated: Sep 15, 2025

Dynamic Pore-scale Reservoir-condition Imaging of Reaction in Carbonates Using Synchrotron Fast Tomography

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Published on: February 21, 2017

Advancing X-ray quantum imaging through Monte-Carlo simulations.

Pakhshan Espoukeh¹, Gabriel Biener¹, James Baxter²

¹University of Wisconsin - Milwaukee, 3135 N. Maryland Ave, Milwaukee, WI, 53211, USA.

Scientific Reports

|July 14, 2025

Summary

This summary is machine-generated.

Quantum imaging using entangled X-ray photons offers superior image quality for sensitive biological samples. Simulations show this method, utilizing Spontaneous Parametric Down-Conversion, can overcome radiation damage limits in X-ray imaging.

Keywords:

Entangled Photons Ghost Imaging Low-dose Imaging Quantum Advantage Quantum Imaging X-ray Spontaneous Parametric Down-Conversion

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Last Updated: Sep 15, 2025

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X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging

Published on: September 11, 2011

Area of Science:

Physics
Quantum Optics
Biomedical Imaging

Background:

X-ray imaging is limited by radiation damage to sensitive biological samples.
Reducing radiation dose while maintaining signal-to-noise ratio is crucial for advanced imaging.
Quantum imaging with entangled photons presents a potential solution to these limitations.

Purpose of the Study:

To develop and validate a simulation method for X-ray quantum imaging.
To demonstrate the potential of entangled X-ray photons for high-quality imaging.
To guide the design of future quantum imaging experiments.

Main Methods:

Developed a ray tracing approach with Monte-Carlo sampling.
Simulated quantum imaging using entangled X-ray photons generated via Spontaneous Parametric Down-Conversion (SPDC).
Modeled realistic experimental conditions at high repetition rate Free-Electron X-ray Lasers (XFELs).

Main Results:

Simulations demonstrated superior image quality of quantum imaging over classical methods.
The study confirmed the feasibility of X-ray biphoton production via SPDC, albeit at low rates.
The developed simulation approach is efficient for designing experiments.

Conclusions:

X-ray quantum imaging with entangled photons is a promising technique for sensitive biological imaging.
Advanced X-ray sources like XFELs can enable practical quantum imaging.
Simulation tools can accelerate the development and reduce costs of X-ray quantum imaging experiments.