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Jul 31, 2023 · The production of X-ray images is a complex process that uses electromagnetic radiation. X-rays are high-frequency energy waves that penetrate through the body or the target organ and are either absorbed, reflected off, or traversed through the body. The X-ray tube, which produces the X-ray, is composed of a cathode and an anode. The cathode is a tungsten filament, which is heated during the ...
- Justyn Nakashima, Hieu Duong
- Edward Via College-Auburn
- 2020
- 2023/07/31
- Overview of The Physics Behind X-Ray Interactions
- Energy Dependence of Interactions
- Summary
When x-rays interact with the human body during an x-ray exposure, they form an image that is highly dependent on the type of interactions of matter and x-rays. Diagnostic x-ray interactions are dominated by two different physical interactions – the photoelectric effect and Compton scatter. Understanding the impact of the photoelectric effect and C...
In different parts of the body and at the different energy levels, photoelectric effect and Compton scattering have different contributions. From the perspective of an image scientist or medical physicist the human body can usually be approximated as a bag of water for the soft tissue and with some bone distributed throughout. The photoelectric and...
The regions in an x-ray image with the most attenuation are typically shown as bright in an x-ray image. These regions attenuate or absorb the x-rays at a higher rate than other regions. The primary interactions dominating diagnostic x-ray imaging are the photoelectric effect and Compton Scattering. In general, maximizing the contribution of photoe...
Jul 31, 2023 · X-rays are a form of electromagnetic radiation with wavelengths ranging from 0.01 to 10 nanometers. In the setting of diagnostic radiology, X-rays have long enjoyed use in the imaging of body tissues and aid in the diagnosis of disease. Simply understood, the generation of X-rays occurs when electrons are accelerated under a potential difference and turned into electromagnetic radiation.[1] An ...
- Dawood Tafti, Christopher V. Maani
- 2023/07/31
- 2021
Oct 10, 2021 · Electrons released from filament. Tube voltage is applied across the x-ray tube. Electrons, therefore, are accelerated towards positively charged anode, which gives them a certain energy. The electrons strike the anode and the energy released via interaction with the anode atoms produces x-ray photons.
Oct 17, 2022 · Conventional X-ray production involves the excitation of tungsten metal to release photons.[1][2][3][4] A cathode ray directs energy into the rotating tungsten filament anode. The resultant photons released can be absorbed or transmitted through the body to provide information on the amount of attenuation. These attenuation gradients are used to reconstruct an image by mapping the amount of ...
- Ethan Sy, Vishal Samboju, Taif Mukhdomi
- 2022/10/17
X-rays are a form of electromagnetic radiation, similar to visible light. Unlike light, however, x-rays have higher energy and can pass through most objects, including the body. Medical x-rays are used to generate images of tissues and structures inside the body. If x-rays traveling through the body also pass through an x-ray detector on the ...
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How X ray photons are produced?
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X-rays are a form of electromagnetic radiation similar to radio waves, microwaves, visible light and gamma rays. X-ray photons are highly energetic and have enough energy to break up molecules and hence damage living cells. When X-rays hit a material some are absorbed and others pass through. Generally, the higher the energy the more X-rays ...
