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11 April 2024 Proton fast ignition as a path to commercial fusion energy
Markus Roth, Stefano Atzeni, Matthias Brönner, Thomas Forner, Dough Hammond, Markus Hesse, Javier Honrubia, Pravesh K. Patel, Gabriel Schaumann, Nils Schott, Wolfgang Theobald, Debbie Callahan, Florian Wasser, Sero Zaehter, Marc Zimmer, Adrian McFarland, Alfonso M. Aguaron, Christopher Bollinger, Gilles Cheriaux, Fabian Christ, Gizem Erdogdu, Nicole Fischer, Maximilian Hartmann, Günter Kraft, Jakob Kurzschenkel, Patrick Lutz, Scott Mercer, Cora-Nadine Thom, Linh Nguyen, Valeria Ospina, Clement Paradis, Matthias Resch, Thomas F. Roesch, Martin Sokol, Xavier Vaisseau
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Proceedings Volume PC12939, High-Power Laser Ablation VIII; PC129390P (2024) https://doi.org/10.1117/12.3011113
Event: SPIE High-Power Laser Ablation, 2024, Santa Fe, New Mexico, United States
Abstract
Among possible approaches to fusion energy, we regard the Proton Fast Ignition (PFI) as the most credible. PFI as an alternate route to ignition was triggered by the discovery of ultra-bright beams of protons produced by ultra-intense lasers. Protons are advantageous to other ion species and electrons. Because of their highest ionic charge-to-mass ratio, they are accelerated most efficiently up to the highest energies. They can penetrate deep into a target to reach the high-density region, where the hot spot is to be formed. And they exhibit a characteristic maximum energy deposition at the end of their range, desirable to heat a localized volume. Thus, Focused Energy Inc. has chosen PFI for the primary pathway to fusion energy.
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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Markus Roth, Stefano Atzeni, Matthias Brönner, Thomas Forner, Dough Hammond, Markus Hesse, Javier Honrubia, Pravesh K. Patel, Gabriel Schaumann, Nils Schott, Wolfgang Theobald, Debbie Callahan, Florian Wasser, Sero Zaehter, Marc Zimmer, Adrian McFarland, Alfonso M. Aguaron, Christopher Bollinger, Gilles Cheriaux, Fabian Christ, Gizem Erdogdu, Nicole Fischer, Maximilian Hartmann, Günter Kraft, Jakob Kurzschenkel, Patrick Lutz, Scott Mercer, Cora-Nadine Thom, Linh Nguyen, Valeria Ospina, Clement Paradis, Matthias Resch, Thomas F. Roesch, Martin Sokol, and Xavier Vaisseau "Proton fast ignition as a path to commercial fusion energy", Proc. SPIE PC12939, High-Power Laser Ablation VIII, PC129390P (11 April 2024); https://doi.org/10.1117/12.3011113
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KEYWORDS
Fusion energy
Beam path
Ions
Picosecond phenomena
Electrons
Energy efficiency
Laser energy
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