Particle in cell simulation of laser‐accelerated proton beams for radiation therapy
- 27 November 2002
- journal article
- Published by Wiley in Medical Physics
- Vol. 29 (12), 2788-2798
- https://doi.org/10.1118/1.1521122
Abstract
In this article we present the results of particle in cell (PIC) simulations of laser plasma interaction for proton acceleration for radiation therapy treatments. We show that under optimal interaction conditions protons can be accelerated up to relativistic energies of 300 MeV by a petawatt laser field. The proton acceleration is due to the dragging Coulomb force arising from charge separation induced by the ponderomotive pressure (light pressure) of high-intensity laser. The proton energy and phase space distribution functions obtained from the PIC simulations are used in the calculations of dose distributions using the GEANT Monte Carlo simulation code. Because of the broad energy and angular spectra of the protons, a compact particle selection and beam collimation system will be needed to generate small beams of polyenergetic protons for intensity modulated proton therapy.Keywords
Funding Information
- National Institutes of Health (CA78331)
This publication has 32 references indexed in Scilit:
- Energetic Heavy-Ion and Proton Generation from Ultraintense Laser-Plasma Interactions with SolidsPhysical Review Letters, 2000
- Electron Acceleration by a Short Relativistic Laser Pulse at the Front of Solid TargetsPhysical Review Letters, 2000
- Forward Ion Acceleration in Thin Films Driven by a High-Intensity LaserPhysical Review Letters, 2000
- Bursts of Superreflected Laser Light from Inhomogeneous Plasmas due to the Generation of Relativistic Solitary WavesPhysical Review Letters, 1999
- Interaction of Intense Laser Pulses with Preformed Density ChannelsPhysical Review Letters, 1998
- Ultrahigh-Intensity Lasers: Physics of the Extreme on a TabletopPhysics Today, 1998
- An analytical approximation of the Bragg curve for therapeutic proton beamsMedical Physics, 1997
- Short-pulse high-intensity laser-generated fast electron transport into thick solid targetsPhysical Review E, 1997
- Compression of amplified chirped optical pulsesOptics Communications, 1985
- Laser Electron AcceleratorPhysical Review Letters, 1979