Procedimientos para radiografía de 2 colores con fuentes de rayos X generados por láser mediante el efecto Compton
High-contrast, subtraction, x-ray images of an object are produced via scanned illumination by a laser-Compton x-ray source. The spectral-angle correlation of the laser-Compton scattering process and a specially designed aperture and/or detector are utilized to produce/record a narrow beam of x-rays...
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| creator | BARTY, Christopher P.J |
| description | High-contrast, subtraction, x-ray images of an object are produced via scanned illumination by a laser-Compton x-ray source. The spectral-angle correlation of the laser-Compton scattering process and a specially designed aperture and/or detector are utilized to produce/record a narrow beam of x-rays whose spectral content consists of an on-axis region of high-energy x-rays surrounded by a region of slightly lower-energy x-rays. The end point energy of the laser-Compton source is set so that the high-energy x-ray region contains photons that are above the k-shell absorption edge (k-edge) of a specific contrast agent or specific material within the object to be imaged while the outer region consists of photons whose energy is below the k-edge of the same contrast agent or specific material. Scanning the illumination and of the object by this beam will simultaneously record and map the above edge and below k-edge absorption response of the object. |
| format | Patent |
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| subjects | CALCULATING COMPUTING COUNTING DETECTING MASSES OR OBJECTS DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GAMMA RAY OR X-RAY MICROSCOPES GEOPHYSICS GRAVITATIONAL MEASUREMENTS HUMAN NECESSITIES HYGIENE IDENTIFICATION IMAGE DATA PROCESSING OR GENERATION, IN GENERAL IRRADIATION DEVICES MEASURING MEDICAL OR VETERINARY SCIENCE NUCLEAR ENGINEERING NUCLEAR PHYSICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SURGERY TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR TESTING X-RAY TECHNIQUE |
| title | Procedimientos para radiografía de 2 colores con fuentes de rayos X generados por láser mediante el efecto Compton |
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