Measurement data

Measurement setup

Equipment/detectors

Beam modeling

Beam scans

PDDs

Square fields (Jaws collimated)*

SSD: 100 cm

3D water tank, ion chamber(s), diode, reference chamber

Stereotactic cones†

SSD: 100 cm

3D water tank, diode, reference chamber

Profiles

Square fields (Jaws collimated)*

SSD: 100 cm; depth: d_max, 5 cm, 10 cm, 20 cm

3D water tank, ion chamber(s), diode, reference chamber

Stereotactic cones†

SSD: 100 cm; depth: d_max, 5 cm, 10 cm

3D water tank, diode, reference chamber

Output factors

Square fields (Jaws collimated)*

SSD: 100 cm; depth: 10 cm

3D water tank, ion chamber, diode

Stereotactic cones†

SSD: 100 cm; depth: 10 cm

3D water tank, ion chamber, diode

X-jaws transmission

SSD: 100 cm; depth: d_max

3D water tank, farmer-type ion chamber

MLC modeling

MLC model parameters

x-position offset, gain and curvature; y-position gain

PDDs

Square fields (MLC collimated)‡

SSD: 100 cm

3D water tank, ion chamber(s), diode, reference chamber

Profiles

SSD: 100 cm; depth: d_max, 5 cm, 10 cm, 20 cm

Leaf tip width

Custom plan

SSD: 100 cm; depth: 10 cm

3D water tank, diode, reference chamber

Tongue and groove

Custom plan

SSD: 100 cm; depth: 10 cm

3D water tank, diode, reference chamber

Transmission

Custom plan

SSD: 100 cm; depth: d_max

3D water tank, farmer-type ion chamber

Output factors

Square fields (MLC collimated)†

SSD: 100 cm; depth: 10 cm

3D water tank, ion chamber, diode

Absolute dose calibration

AAPM TG 51

SSD: 100 cm; depth: 10 cm; Field size: 10 × 10 cm²

1D water tank, farmer-type ion chamber