|TUPOY003||Novel Approach to Utilize Proton Beams from High Power Laser Accelerators for Therapy||1905|
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Funding: Supported by German BMBF, nos. 03Z1N511 and 03Z1O511 & DFG cluster of excellence MAP.
Protons provide superior radiotherapy benefits to patients, but immense size and cost of the system limits it to only few centers worldwide. Proton acceleration on μm scale via high intensity laser is promising to reduce size and costs of proton therapy, but associated beamlines are still big and massive. Also, in contrast to conventionally accelerated quasi-continuous mono-energetic pencil beams, laser-driven beams have distinct beam properties, i.e. ultra-intense pico-sec bunches with large energy spread and large divergences, and with low repetition rate. With new lasers with petawatt power, protons with therapy related energies could be achieved, however, the beam properties make it challenging to adapt them directly for medical applications. We will present our compact beamline solution including energy selection and divergence control, and a new beam scanning and dose delivery system with specialized 3D treatment planning system for laser-driven proton beams. The beamline is based on high field iron-less pulsed magnets and about three times smaller than the conventional systems*, and can provide high quality clinical treatment plans**.
* U. Masood et al, Applied Phys B, 117(1):41-52, 2014
** K.M. Hofmann et al, Medical Physics, 42(9):5120-5129, 2015
|DOI •||reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPOY003|
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