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Updated: May 26, 2026

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Published on: February 20, 2021
Effect of surface waves on radiotherapy dosimetric measurements in water tanks
1RadAmerica II, LLC, 9501 Franklin Square Dr. Baltimore, MD 21237, Baltimore, USA.
Abstract:
The effect of surface waves, generated by moving the scanning arms in water phantoms, on radiation dosimetry is studied. It is shown that in large water tanks, high arm speeds can result in dosimetric errors of up to 5%. The measurements that are started after damping the water waves can result in about a 50% improvement in accuracy of measurements. It is shown that the water surfaces at the start of the measurements have high fluctuations that transform to a steady phase by elapsing time.
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