Table 1 Characteristics of the detectors and their use in the study
From: MR compatible detectors assessment for a 0.35 T MR-linac commissioning
Detectors | Collecting volume | Constructor field size range of use | Type of measurement performed | |
|---|---|---|---|---|
Ionization chambers | Exradin A28 MR | 0.125 cc | 3–40 cm2 | Output calibration |
PTW Semiflex 31010 | 0.125 cc | 3–40 cm2 | Output calibration/PDD/Profiles/Output factors | |
PTW Semiflex 3D 31021 | 0.07 cc | 2.5–4 cm2 | Output calibration/PDD/Profiles/Output factors | |
PTW Markus 34045 | 0.02 cc | 3–40 cm2 | PDD | |
PTW Pinpoint 3D 31022 | 0.016 cc | 0.8–40 cm2 | PDD/Profiles/Output factors | |
High resolution detectors | Sun Nuclear Edge (Shielded diode) | 0.019 mm3 | 0.5–10 cm2 | PDD/Profiles/Output factors |
PTW 60019 microDiamond | 0.004 mm3 | 0.4–40 cm2 | PDD/Profiles/Output factors | |
PTW 60023 microSilicon (unshielded diode) | 0.03 mm3 | 0.4–10 cm2 | PDD/Profiles/Output factors | |
Passive detectors | EBT3 radiochromic films | N/A | N/A | Output factors |
Lif microcubes | 1 mm3 | N/A | Output factors |