OCTAVIUS Detector 1600XDR

Patient Plan Verification and Quality Assurance for Proton and Heavy Ion Beams

The OCTAVIUS Detector 1600XDR is a high resolution ion chamber matrix for patient plan verification and quality control radiation therapy with protons or heavy ions. Utilizing ion chambers avoids radiation defects, the major drawback of solid-state detectors. The vented plane-parallel ion chambers are 2.5 mm x 2.5 mm x 2 mm in size and the center-to-center spacing is 2.5 mm in the central area of 6.5 x 6.5 cm2 and 5 mm in the area surrounding it. In total there are 1521 ion chambers, providing a maximum field size of 15 x 15 cm². The square chamber design offers unique 100% field coverage in the central region. Read out cycles of 100 ms provide the basis for real-time analysis of beam profiles.

Key Features

  • Suitable for patient plan verification and machine QA of proton and heavy ion beams
  • Outstanding detector and matrix design: 1521 vented cubic ion chambers, arranged on a 15 x 15 cm² matrix
  • Detector spacing: 2.5 mm center-to-center central 6.5 x 6.5 cm2 area, 5 mm center-to-center outer 15 x 15 cm2 area  
  • Pioneering ionization chamber array, flat and lightweight (6 kg)
  • No ageing effects by utilizing Gold Standard ionization chamber technology
  • Absolute dose calibration in 60Co beam
  • Supported by the measurement and evaluation software programs VeriSoft and BeamAdjust
Detector type: Plane-parallel vented ionization chambers
Number of detectors: 1521
Detector size: 2 mm x 2.5 mm x 2.5 mm (0.0125 cm³)
Detector spacing: 2.5 mm center-to-center central 6.5 x 6.5 cm² area, 5 mm center-to-center outer 15 x 15 cm² area
Max. field size: 15 x 15 cm²
Reproducibility: ≤± 0.5%
Dead time: zero
Repetition rate: 100 ms
Measured quantities: absorbed dose to water (Gy), absorbed dose rate to water (Gy/min)
Resolution: Dose: 0.1 mGy, Dose rate: 0.1 mGy/min
Measurement range: 0.4 ... 4000 Gy/min
Reference point: 6.9 mm below the surface of the array
Housing material: PS, GRP (frame)
Dimensions: 300 mm x 467 mm x 22 mm (W x D x H)
Weight: 6 kg
Power supply: (100 ... 240) VAC; (50 ... 60) Hz
PC connection: Ethernet

Related Downloads

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