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Output factor measurements

using detectors of different materials.

Aluminium central electrode

@

10cm depth

Pinpoint

chamber

2

Diamond

microLion

3

125 mm

3

air

ion chamber

3%

Krauss [20]

1

PTW recommends max photon field size: 10x10 cm

2

2

PTW recommends max photon field size: 30x30 cm

2

3

PTW recommends max photon field size: 20x20 cm

2