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Enhanced Energy Coupling for Indirect-drive Fast-ignition Fusion Targets by F. Zhang; H. B. Cai; W. M. Zhou; Z. S. Dai; L. Q. Shan; H. Xu; J. B. Chen; F. J. Ge; Q. Tang; W. S. Zhang; L. Wei; D. X. Liu; J. F. Gu; H. B. Du; B. Bi; S. Z. Wu; J. Li; F. Lu; H. Zhang; B. Zhang; M. Q. He; M. H. Yu; Z. H. Yang; W. W. Wang; H. S. Zhang; B. Cui; L. Yang; J. F. Wu; W. Qi; L. H. Cao; Z. Li; H. J. Liu; Y. M. Yang; G. L. Ren; C. Tian; Z. Q. Yuan; W. D. Zheng; L. F. Cao; C. T. Zhou; S. Y. Zou; Y. Q. Gu; K. Du; Y. K. Ding; B. H. Zhang; S. P. Zhu; W. Y. Zhang; X. T. He is a Physics and Astronomy article available to read on EtoBox.

What is Enhanced Energy Coupling for Indirect-drive Fast-ignition Fusion Targets about?

uclear fusion power, which is hoped to be the ultimate clean energy source for humankind, has attracted worldwide attention since the middle of the last century. Inertial confinement fusion, in which a few milligrams of frozen deuterium and tritium fuel are compressed by laser pulses (direct-drive) or soft X-rays (indirect-drive) to high temperature and high density (to reach the fusion ignition condition), makes a fusion-based power plant possible. An important breakthrough-the so-called 'central hotspot ignition' scheme-has been demonstrated recently, where the release of fusion energy exceeds the laser energy supplied to the fuel 1 . However, ignition has not been achieved because of the difficulties in controlling laser plasma instabilities and hydrodynamic instabilities 2 . Fast ignition 3 and shock ignition 4 are alternative approaches for high-energy-gain inertial confinement fusion. In these schemes, the target compression and ignition stages are separated, relaxing the requirements on implosion symmetry and compression energy. The price that has to be paid is the need for efficient production and coupling to the compressed fuel of a particle beam of extreme parameters. Exp

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Author

F. Zhang; H. B. Cai; W. M. Zhou; Z. S. Dai; L. Q. Shan; H. Xu; J. B. Chen; F. J. Ge; Q. Tang; W. S. Zhang; L. Wei; D. X. Liu; J. F. Gu; H. B. Du; B. Bi; S. Z. Wu; J. Li; F. Lu; H. Zhang; B. Zhang; M. Q. He; M. H. Yu; Z. H. Yang; W. W. Wang; H. S. Zhang; B. Cui; L. Yang; J. F. Wu; W. Qi; L. H. Cao; Z. Li; H. J. Liu; Y. M. Yang; G. L. Ren; C. Tian; Z. Q. Yuan; W. D. Zheng; L. F. Cao; C. T. Zhou; S. Y. Zou; Y. Q. Gu; K. Du; Y. K. Ding; B. H. Zhang; S. P. Zhu; W. Y. Zhang; X. T. He

Publisher

Nature Publishing Group; Springer Science and Business Media LLC (ISSN 1745-2473)

Published

2020

Language

EN

Field

Physics and Astronomy (Physical Sciences)