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| laser-driven ion acceleration | |
|---|---|
| Name | Laser-driven ion acceleration |
| Field | Plasma physics; Accelerator physics; High-intensity laser science |
laser-driven ion acceleration
Laser-driven ion acceleration explores methods for producing high-energy ion beams using intense Chirped pulse amplification-enabled ultrashort Ti:sapphire and Nd:glass laser pulses interacting with matter. Research spans laboratory programs at facilities such as the National Ignition Facility, Laser Mégajoule, European XFEL, Lawrence Livermore National Laboratory, Rutherford Appleton Laboratory, and the Max Planck Institute for Nuclear Physics, with contributions from scientists associated with awards like the Nobel Prize in Physics and institutions including Massachusetts Institute of Technology, Imperial College London, and Stanford University.
Laser-driven ion acceleration emerged from advances in Chirped pulse amplification and petawatt-class lasers, linking communities across Lawrence Berkeley National Laboratory, Princeton Plasma Physics Laboratory, Helmholtz Association, Institute of Physics (London), and national laboratories in France, Germany, Japan, China, United Kingdom, and the United States. Early experiments at centers such as GIST and CEA Saclay established regimes later explored at multi-institution collaborations like ELI Beamlines and CLPU. Key figures associated with foundational experimental and theoretical work have affiliations including University of Oxford, University of California, Berkeley, École Polytechnique, and Los Alamos National Laboratory.
Acceleration mechanisms rely on ultrafast laser interaction with dense targets producing relativistic electrons that set up electrostatic fields; foundational theoretical contributions connect to concepts studied at Princeton University, Cornell University, University of Tokyo, and Kavli Institute for Theoretical Physics. Prominent regimes include target normal sheath acceleration (TNSA) characterized in experiments at Lawrence Livermore National Laboratory, radiation pressure acceleration (RPA) investigated at Institute for Laser Science and Max Planck Institute for Quantum Optics, breakout afterburner (BOA) examined at Los Alamos National Laboratory, and collisionless shock acceleration studied at Rutherford Appleton Laboratory and Imperial College London. The interplay between relativistic transparency, ponderomotive forces, and sheath fields links to theoretical work from groups at University of Strathclyde, University of Michigan, Korea Advanced Institute of Science and Technology, and University of Sydney.
Pulse engineering, contrast control, and temporal shaping leverage technology developed at Stanford Linear Accelerator Center, Lawrence Livermore National Laboratory, and École Polytechnique. High-repetition-rate experiments use systems at Centre for Advanced Laser Applications, Queen's University Belfast, and Daresbury Laboratory; single-shot petawatt experiments operate at National Ignition Facility, ELI Beamlines, and Laser Mégajoule. Diagnostics development parallels efforts at CERN, DESY, SLAC National Accelerator Laboratory, FOM Institute AMOLF, and Forschungszentrum Jülich with specialized instruments from groups at Fermi National Accelerator Laboratory and Brookhaven National Laboratory.
Target engineering spans ultrathin foils, foam targets, microstructured arrays, cryogenic hydrogen ribbons, and liquid jets developed by teams at Institut de Physique Nucléaire, University of Innsbruck, University of Strathclyde, Vanderbilt University, and Kyoto University. Nanostructured and grating surfaces produced by groups at EPFL, Riken, University of Twente, and Technische Universität Darmstadt modify absorption and sheath formation. Innovations in target fabrication involve partnerships with Hitachi, Thales Group, and manufacturing research at Fraunhofer Society and Tata Institute of Fundamental Research.
Characterization of energy spectra, emittance, charge, and temporal structure involves techniques refined at Max Planck Institute for Plasma Physics, Oak Ridge National Laboratory, Paul Scherrer Institute, and Weizmann Institute of Science. Thomson parabola spectrometers, radiochromic film stacks, time-of-flight detectors, and magnetic spectrometers used by groups at University of California, Los Angeles, University of Tokyo, and University of Hamburg trace ion species and energy distribution. Beam transport and focusing challenges link to work at Lawrence Berkeley National Laboratory, Fermilab, and CERN-affiliated accelerator science programs.
Potential applications motivate collaborations among medical centers like Mayo Clinic, Johns Hopkins Hospital, and research hospitals in Karolinska Institute for proton therapy development, sterilization studies with partners at Fraunhofer Society, and isotope production efforts involving Brookhaven National Laboratory and Argonne National Laboratory. Compact accelerator concepts inform space radiation research relevant to European Space Agency and NASA programs, while material science applications connect to facilities like European Synchrotron Radiation Facility and Diamond Light Source. National security and nonproliferation research engage laboratories including Los Alamos National Laboratory and Sandia National Laboratories.
Key challenges—beam stability, spectral control, targetry, laser reliability, and scaling—are active research themes at ELI, CLPU, FOM Instituut, Korean Institute of Science and Technology and university programs at Caltech, Harvard University, University of Chicago, and Princeton University. Future directions include integration with conventional accelerator infrastructure explored at CERN, industrial translation pursued with Siemens and GE Healthcare, and theoretical advances fostered by collaborations across Perimeter Institute, Kavli Institute, and national science agencies such as National Science Foundation and European Research Council.