ATTENUATION OF X-RAYS IN MATTER ATTENUATION s Attenuation is the reduction in the intensity of an x-ray beam as it traverses matter, either by the absorption of photons or…

Slide 1 Slide 2 JP© 1 X - RAYS Wilhelm Conrad Röntgen 1895 Slide 3 JP© 2 Induction Coil +ve-ve Cathode Ray Discharge Tube ROENTGEN 1895 Wrapped Photographic Plate was…

Mineralogy and grain-size distribution of clay-rich rock units of the Algarve Basin (South Portugal) M. J . TRINDADE 1 , 3 , * , F . ROCHA2 , 3 , M. I . DIAS1 , 3 AND M.…

Slide 1 Data Acquisition, Representation and Reconstruction Jian Huang, CS 594, Spring 2002 This set of slides references slides developed by Profs. Machiraju (Ohio State),…

Slide 1 Slide 2 Assumptions: 1)Matter is composed of discrete particles (i.e. electrons, nucleus) 2)Distance between particles >> particle size 3)X-ray photons are…

Slide 1 Radiologic Testing: What, When, & Why Harry Colt, MD 7/20/09 Slide 2 Why This is an Important Topic Radiology skills are underemphasized in medical school Radiology…

* Minimal focal length achievable with Be, R = 50µm at 17 keV => effective aperture : 295µm => best lateral resolution: 42nm (diffraction limit) * For lenses with…

* Minimal focal length achievable with Be, R = 50µm at 17 keV => effective aperture : 295µm => best lateral resolution: 42nm (diffraction limit) * For lenses with…

Radiologic Testing: What, When, & Why Harry Colt, MD 7/20/09 Why This is an Important Topic Radiology skills are underemphasized in medical school Radiology was a relatively…

FRCR: Physics Lectures Diagnostic Radiology Lectures 6 & 7 Fluoroscopy equipment, operation and digital subtraction angiography Dr Tim Wood Clinical Scientist Overview…