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Simple geometric phantoms
Typical characteristics
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Simple design to mimic body anatomy (pelvis, thorax, head)
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Homogeneous medium
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Detectors can be placed at various points in the phantom
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Possibility to use various types of detectors (chambers,
diodes, film, TLD etc) in drilled cavities or with special inserts
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Can be manufactured in house
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Large variety of commercially available options
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More expensive if made of water-equivalent plastic