University of Birmingham > Talks@bham > Molecular and Medical Physics Seminar Series > Radiochromic film spectroscopy of a laser-proton accelerator

Radiochromic film spectroscopy of a laser-proton accelerator

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If you have a question about this talk, please contact Dan Kirby.

Preceded by tea, coffee and biscuits in the Poynting coffee lounge at 3.30pm

Radiotherapy using beams of fast protons is becoming an area of significant investment worldwide, due to the clinical benefit that protons can bring relative to the traditional X-ray modality. Whilst the benefits of protons are already being experienced in countries such as the US, France, Germany, and Japan, access to this technology is more difficult due to the high costs of building a dedicated facility.

A significant part of the cost is in the beam generation and delivery systems. Currently, synchrotrons or cyclotrons are used and gantries weighing up to several hundred tons to bend the beam onto the patient with millimetre precision from different angles. However, laser-plasma acceleration is a possible alternative: using ultra-high intensity, short bursts of laser light to accelerate protons and other ions from thin wafer targets, this light could also be sent through optical waveguides replacing the need for heavy bending magnets.

This talk will comprise an introduction to this burgeoning field of research, the benefits of protons for radiotherapy, and some initial spectroscopic measurements made using radiochromic film in a laser-proton source at Queens University Belfast.

This talk is part of the Molecular and Medical Physics Seminar Series series.

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