Abstract
The LIGHT proton therapy facility is the first compact Linac that will deliver proton beams up to 230 MeV for cancer treatment. he proton beam is pulsed; pulses repetition rate can reach 200 Hz. LIGHT prototype is currently being commissioned by AVO/ADAM at CERN, while the first full installation is foreseen in 2019. Beam energy translates directly to range penetration in the body, so it is of the utmost importance to monitor it accurately especially for Linacs, since each beam pulse is directly transported to the patient. We present the implementation of a non-interceptive beam energy measurement system based on the Time-of-Flight technique. Unlike state of the art ToF systems this one has been designed to measure autonomously the mean energy of the beam with medical resolution (0.03 %) by processing as little as 1 μs of data providing the result within 1 to 2 ms over an energy range from 5 to 230 MeV. he first results for beams up to 7.5 MeV are shown.
Highlights
(e.g. 10 cm), low-resolution phase shift measurement is required to ensure the unambiguousness of a long-distance (e.g. 1 m), high-resolution phase shift measurement, gaining orders of magnitude for the energy measurement resolution
We present the implementation of a non-interceptive beam energy measurement system based on the Time-ofFlight technique
The ToF propotype presented in this paper is able to measure LIGHT beam energy for each pulse at 200 Hz
Summary
(e.g. 10 cm), low-resolution phase shift measurement is required to ensure the unambiguousness of a long-distance (e.g. 1 m), high-resolution phase shift measurement, gaining orders of magnitude (proportional to the distances ratio) for the energy measurement resolution. Unlike state of the art ToF systems this one has been designed to measure autonomously the mean energy of the beam with medical resolution (0.03 %) by processing as little as 1 μs of data providing the result within 1 to 2 ms over an energy range from 5 to 230 MeV.
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
