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QUASAR Group showcases the novel beam monitoring solution for FLASH radiotherapy at ARR 2025

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Setup in a lab.
Image of the supersonic gas curtain ionization profile monitor.

The Association of Radiation Research (ARR) Annual Conference 2025 was held in Keswick from June 9 - 11, bringing together researchers from across the UK to explore the latest developments in radiation science. The event served as a vital platform for interdisciplinary collaboration covering a wide range of topics including space radiation, radiation protection, radiation chemistry and physics, radiation biology, radiotherapy, and clinical translational technologies.

Dr Milaan Patel from the QUASAR Group contributed a talk titled “Supersonic Gas Curtain Ionization Profile Monitor: A Non-Invasive Beam Diagnostics for FLASH Proton Therapy.” The presentation highlighted the QUASAR Group’s work on developing a non-invasive dose profile monitor for medical accelerators. The unique approach uses a screen on moving atoms to image the beam without perturbing it addressing a key challenge of dose profile monitoring at FLASH dose rates. Milaan presented the results of recent experimental campaigns and showcasing the devices capabilities and ongoing improvements. The talk was well-received and sparked engaging discussions on its clinical translation.

In addition, Milaan also presented a poster on the same topic which was awarded ‘Best Poster by an Early Career Researcher’ a clear reflection of both the scientific merit and innovative nature of the group’s work on medical beam diagnostics.

Congratulations to this great achievement!