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Table 4 Green Channel Dose Residual Error in Water, ABS, and PLA

From: Dose calibration of Gafchromic EBT3 film for Ir-192 brachytherapy source using 3D-printed PLA and ABS plastics

TPS Dose (cGy)

Water Error (%)

ABS Error (%)

PLA Error (%)

50

4.2

−7.9

−24.5

100

−2.2

−5.9

−7.0

200

−0.4

−5.1

−6.3

400

0.1

−6.5

−6.5

600

0.4

−4.3

− 4.9

800

−0.2

−4.8

−5.0

Low Dose Mean

3.2

6.9

15.8

High Dose Mean

0.3

5.2

5.7

  1. The green channel curve is used to estimate dose to water based on ABS and PLA NOD values. The error between TPS dose and measured is displayed for each dose level, as well as the combined absolute mean error for low dose (≤100 cGy) and high dose (> 100 cGy) ranges