The largest ionization chamber available. Ideal for beam position readback at isocenter. Sized to fit the entire scanning field without having to reposition it.

Features

• Large 45 cm by 45 cm sensing area
• Alignment marks on beam entrance window for accurate optical setup at isocenter
• Can be imaged by X-ray patient imager for accurate alignment to patient coordinate system
• Lightweight and robust
• 256 1.75 mm strips in each axis
• Robust carbon-fiber windows and precision photo-etched readout electrodes on thin FR4 substrates for low-scattering
• High voltage sense loopback

Applications

• Particle therapy spot position calibration
• Particle therapy system commissioning
• Particle therapy system QA
• High energy ion beam diagnostics

Electrodes patterned with unique laser technology. Assembled and tested by highly skilled technicians in our dedicated assembly facility.

• Rigorously tested beyond normal operating range to ensure uniformity
• Envirmonmental sensor measured against externally calibrated sources
• Each ion chamber is fully retested after it has been opened
• Real calibrated radioactive source is used as reference
• Full test documentation can be provided for each individual instrument

Our ion chambers include integrated sensors for environmental corrections. No need for costly and inconvenient external instruments.

• Humidity sensor
• Temperature sensor
• Pressure sesnor
• Replacable desiccant

Strip detectors have a balance between accuracy on beam position and noise levels. Our strip detectors offer the highest resolution and lowest noise on the market.

• Laser-machined polyimide electrode substrates
• Absolute minimal beam scattering
• Radiation hard
• High geometric precision
• Gold plated readout electrodes