Dose 2016

Phantoms for beam characterization: liquid water

Advantages

Disadvantages

Widely used and available

Not all detectors are waterproof

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Known composition

Not quick and easy to set up

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• Detectors can be placed at any point inside the phantom • Large enough to characterize the beam under full scatter conditions

• Too large to simulate the dimensions of a real patient and be used for the dosimetric verification of a treatment plan