Mr. Robert Polanek Profile

Robert Polanek

at ELI-ALPS Research Institute

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Proceedings Article | 16 May 2017 Paper

New approaches in clinical application of laser-driven ionizing radiation

Katalin Hideghéty, Rita Emilia Szabó, Róbert Polanek, Zoltán Szabó, Szilvia Brunner, Tünde Tőkés

Proceedings Volume 10239, 102390A (2017) https://doi.org/10.1117/12.2268300

KEYWORDS: Laser development, Ionizing radiation, Fusion energy, Particles, Binary data, Boron, Carbon, Ions, Ion lasers, Spatial resolution

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The planned laser-driven ionizing beams (photon, very high energy electron, proton, carbon ion) at laser facilities have the unique property of ultra-high dose rate (>Gy/s^-10), short pulses, and at ELI-ALPS high repetition rate, carry the potential to develop novel laser-driven methods towards compact hospital-based clinical application. The enhanced flexibility in particle and energy selection, the high spatial and time resolution and extreme dose rate could be highly beneficial in radiotherapy. These approaches may increase significantly the therapeutic index over the currently available advanced radiation oncology methods. We highlight two nuclear reactionbased binary modalities and the planned radiobiology research. Boron Neutron Capture Therapy is an advanced cell targeted modality requiring 10B enriched boron carrier and appropriate neutron beam. The development of laser-based thermal and epithermal neutron source with as high as 1010 fluence rate could enhance the research activity in this promising field. Boron-Proton Fusion reaction is as well as a binary approach, where 11B containing compounds are accumulated into the cells, and the tumour selectively irradiated with protons. Due to additional high linear energy transfer alpha particle release of the BPFR and the maximum point of the Bragg-peak is increased, which result in significant biological effect enhancement. Research at ELI-ALPS on detection of biological effect differences of modified or different quality radiation will be presented using recently developed zebrafish embryo and rodent models.

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