Out of Field Dose Reduction by Geoffrey Ibbott, PhD
Out of Field Dose Reduction by Geoffrey Ibbott, PhD
Out of Field Dose Reduction by Geoffrey Ibbott, PhD
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Photon Measurement Cautions• Low doses = very low rdgs.• Uncertainty <strong>of</strong> measurements• Long exposure times• Need for multiple rdgs. at each point• Location (air vs. phantom) and depth• Point vs. volume measurements• Neutron component for high X-ray energies