Cherenkov-Based Radiation Beam Monitor

Abstract

Researchers at the University of California, Davis have developed an innovative Cherenkov-based system for calibrating radiotherapy beams, enabling precise, real-time calibration of radiation dose delivery, including for high-intensity FLASH radiotherapy, improving treatment accuracy and reliability.

Full Description

This technology introduces a robust method and apparatus for the calibration of radiotherapy beams using Cherenkov radiation. By detecting Cherenkov radiation emitted within a specially designed monitor body, the system offers a more accurate and reliable means of calibrating radiotherapy beams, including high-intensity FLASH radiotherapy. This approach addresses the limitations of traditional ionization chambers, promising improved calibration accuracy for enhanced patient treatment.

Applications

• Calibration of external beam radiation therapy devices, including X-ray, electron, and proton therapy machines. 
• Quality assurance tools for radiotherapy clinics to ensure precise dose delivery. 
• Research and development in radiotherapy technologies. 
• Manufacturing of radiotherapy devices with integrated advanced calibration features.

Features/Benefits

• Increases calibration accuracy for radiotherapy beams, including FLASH-RT. 
• Overcomes the limitations of traditional ionization chambers, such as non-linearity and saturation. 
• Reduces the complexity of beam calibration by minimizing the need for pressure and temperature adjustments. 
• Enables real-time monitoring and adjustment of radiotherapy doses for better treatment outcomes. 
• Addresses saturation and non-linearity issues of ionization chambers in high dose rate environments. 
• Simplifies complex calibration processes due to pressure and temperature dependencies. 
• Increases accuracy in current radiotherapy beam calibration techniques, impacting treatment precision.

Patent Status

Patent Pending