Water phantom
The water phantom is a key instrument for absolute radiation dose measurement.
The water phantom consists of a transparent plastic basin filled with water and has a diameter of about 60 cm. The ionisation chamber inside the phantom is attached to a movable arm, which allows it to be precisely adjusted to different positions for dose rate measurements.[1]
Water phantoms are effective in absolute dose measurement due to their homogeneity and water equivalence, making them excellent substitutes for soft tissue and muscle. Because water is readily available, it is a useful material. However, water phantoms can be difficult to use due to their weight and the water, and water can pose challenges with electrical components that need waterproofing.[1]
References
- ↑ 1.0 1.1 "10.6 - Phantoms - OzRadOnc". ozradonc.wikidot.com. Retrieved 2024-09-06.
External links
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