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Concept

Attenuation

Related lectures (30)

Basis of contrast for x-ray imaging MOOC: Fundamentals of Biomedical Imaging: Ultrasounds, X-ray, positron emission tomography (PET) and applications

Explains linear attenuation coefficient, photon absorption, scattering, and typical attenuation coefficients for materials.

X-ray Tomography: Techniques and Applications

Explores x-ray tomography techniques, covering sources, optics, detectors, and sample considerations.

Lorenz Model: interaction of light with bound electron

Explores laser technology, the Helmholtz wave equation, and the electron oscillator model.

Tissue dependence of x-ray absorption MOOC: Fundamentals of Biomedical Imaging: Ultrasounds, X-ray, positron emission tomography (PET) and applications

Explores the tissue dependence of x-ray absorption, effective atomic number, tissue composition, and X-ray contrast agents.

Basic concepts of photons and x-rays

Explores the interaction of x-rays with matter, matching photon energy, and ionizing radiation.

Interactions of X-rays with Matter: Insights and Calculations

Explores x-ray interactions with matter, covering cross-sections, Lambert-Beer law, and attenuation lengths.

Light Propagation and Absorption

Explores light propagation, absorption, and color phenomena in different media, including conductors, semiconductors, and metals.

Laser Systems and Atomic Transitions

Covers laser systems, atomic transitions, and light attenuation in lasers, focusing on the electron oscillator model and absorption coefficient.

Interactions of X-rays with Tissue II MOOC: Fundamentals of Biomedical Imaging: Ultrasounds, X-ray, positron emission tomography (PET) and applications

Explores the interactions of x-rays with tissue, focusing on photoelectric effect and pair production.

Refraction, Reflection, and Absorption

Explores photoabsorption, attenuation length, and subsequent processes, discussing the relationship between refractive index and absorption, electromagnetic fields, and important material properties.

X-ray Techniques and Applications

Explores synchrotrons, x-ray lasers, and phase-contrast tomography for soft matter imaging.

Collimation of emitted x-rays MOOC: Fundamentals of Biomedical Imaging: Ultrasounds, X-ray, positron emission tomography (PET) and applications

Explores collimation in biomedical imaging, discussing its impact on resolution and sensitivity.

Optical Propagation in Materials

Explores light propagation in various materials, absorption, dispersion, and scattering phenomena, including practical applications with laser beams.

Introduction to X-rays and X-ray Sources

Covers the basics of x-rays, including generation, interactions, and applications in imaging and scattering techniques.

Principle of X-ray Detection: Scintillation MOOC: Fundamentals of Biomedical Imaging: Ultrasounds, X-ray, positron emission tomography (PET) and applications

Explains the principle of x-ray detection using scintillation crystals and discusses the characteristics of materials like CdWO4 and NaI:Tl.

Attenuation Correction in PET MOOC: Fundamentals of Biomedical Imaging: Ultrasounds, X-ray, positron emission tomography (PET) and applications

Covers the fundamentals of attenuation correction in PET imaging and why PET/CT is the industry standard.

Monte Carlo Methods in Thermal Radiation: Applications and Solutions

Discusses the application of Monte Carlo methods to thermal radiation and energy transfer in participating media.

Tissue Optics

Explores Tissue Optics, focusing on Optical Coherence Tomography and light scattering in photomedicine, with applications in ophthalmology, dermatology, cardiology, and gastroenterology.

Radiative Transfer Equation Log in to Mediaspace to watch this video

Covers the Radiative Transfer Equation in participating media and discusses concepts like absorption, scattering, and emission.

Radiative Heat Transfer Log in to Mediaspace to watch this video

Explores radiative heat transfer, covering surface exchange, coupled heat transfer, and gas flow behavior in tubes.