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Easy dosimetry implementation
Dosimetric measurements on the LINAC are a recurring, standard quality assurance task. It should be simple and reliable to implement – without requiring long setup times or phantom configuration. EASY SLAB is made up of 29 stackable plates with thicknesses of 10 mm, 1 x 5 mm, 2 x 2 mm, and 1 x 1 mm (30 x 30 cm version). These allow millimeter-accurate dose measurement.
For your specific measurement, 40 chamber adapters are available. Precise adapter plates are available as well, or can be manufactured individually. Water-equivalent RW3 material (polystyrene with titanium oxide admixture) has excellent properties for dose verification.
Technical data
| Material | Water-equivalent polystyrene (RW3) for high-energy photon and electron radiation |
|---|---|
| Energy range | Photons 60Co – 25 MV, Electrons 4 – 23 MeV |
| Material composition | Polystyrene (C8H8) with admixture of 2.1 % ± 0.2 % TiO2 |
| Mass density | 1.045 g/cm3 |
| (Z/A)r value | 0.536 |
| Electron density | 3.386 × 1023 e/g |
| Electron concentration | 3.539 × 1023 e/cm3 |
Dimensions
| 300 x 300 x 300 mm | 1 slab 1 mm thickness, 2 slabs 2 mm, 1 slab 5 mm, 29 slabs 10 mm |
|---|---|
| 400 x 400 x 300 mm | 1 slab 1 mm thickness, 2 slabs 2 mm, 1 slab 5 mm, 29 slabs 10 mm |