RAD 330 Lecture Notes - Lecture 1: Europium, Latent Image, Radiography
23 May 2022
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Inclass notes computed radiography ( cr) * how much attenuation occurred when radiation passed through the beam : re - usable metal imaging plates replace film & cassette, uses conventional bucky & ray equipment, (photostimulate phosphor (psp) plates) Protective layer phosphor layer: thick __ glow less, thin object glow more conductor layer support layer light shield layer - makes sure no light goes. Read * reader optics system: indirect method of image production a ~a ar. Electron state tower energy eleotrorfate. F- center : small electronic "hole " straps excited eu electrons . remains stable for several hours , until scan . F- stands for fabzentren - "color centers tingermq n. Part 11 - image extraction fashion releases electrons trapped in high energy: reader scans plate w/ laser in "raster , laser states, as electrons fall to low energy states , energy.
