Design of a modified uniform redundant-array mask for portable gamma cameras
P. OlmosThe author is with the Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Edificio 22, Avda. Complutense 22, Madrid 28040,
SpainClaudia CidThe author is with the Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Edificio 22, Avda. Complutense 22, Madrid 28040,
SpainAntonio BrúThe author is with the Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Edificio 22, Avda. Complutense 22, Madrid 28040,
SpainJ. C. OllerThe author is with the Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Edificio 22, Avda. Complutense 22, Madrid 28040,
SpainJ.L. de PablosThe author is with the Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Edificio 22, Avda. Complutense 22, Madrid 28040,
SpainJ.M. PérezThe author is with the Centro de Investigaciones Energeticas Medioambientales y Tecnologicas, Edificio 22, Avda. Complutense 22, Madrid 28040,
Spain
1992en
ABI
Аннотация
Uniform redundant-array masks have been reported as good lenses to form the image of gamma sources, with the correlation between the mask-aperture matrix and the shadows projected on a static position-sensitive detector. We present a modified uniform redundant-array configuration suitable for portable and small-size gamma cameras; its ability to reconstruct the image of several sources is analyzed. We have carried out a Montecarlo simulation of the gamma interactions in the mask, defining the expected response of the correlation process and comparing it with that achieved with the usual uniform redundant-array configurations.
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