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Off Axis Ratio. The OAR is the ratio; Tissue Maximum Ratio (TMR); They have an advantage over percentage depth dose measurements which are also dependent on...
Off-Axis Ratio Based Correction for the Determination of TMR for Flattening-Filter Free (FFF) Mode Beams
Variation of for the small-field dosimetric parameters percentage depth dose, tissue-maximum ratio, and off-axis ratio
Monitor Unit Calculations for External Photon; is the off-axis ratio; that such calculations may be made using central axis dosimetry functions (TMR...
Variation of k Q clin, Q msr f clin, f msr for the small-field dosimetric parameters percentage depth dose, tissue-maximum ratio, and off-axis ratio
The use of empirical formula for computing doses along the central axis and off axis ratio (OAR) along the transverse axis is advantageous in many ways.