13 September 2011 Apodized aperture imaging optics for Compton-scattered x-ray and gamma-ray imaging systems
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Abstract
To improve the resolution and field of view of high-energy Compton-scattered x-ray and gamma-ray imaging systems, we have developed and tested apodized imaging optics based on apertures with depth-dependent cross sections fabricated in an x-ray-absorbing material. Through ray-tracing modeling, we determined the optimum aperture shapes (apodizations) that maximize the field of view and/or resolution of the system. Such apodized apertures can be used either in single-aperture optics, or in coded-aperture arrays. Potential applications of this technology include nondestructive evaluation (NDE) of materials and structures, in particular Compton imaging tomography (CIT), x-ray and gamma-ray astronomy, and medical imaging.
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Volodymyr Romanov, Victor Grubsky, Ned Patton, Tomasz Jannson, "Apodized aperture imaging optics for Compton-scattered x-ray and gamma-ray imaging systems", Proc. SPIE 8144, Penetrating Radiation Systems and Applications XII, 81440M (13 September 2011); doi: 10.1117/12.894107; https://doi.org/10.1117/12.894107
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