Laser pulse shape designer for direct-drive inertial confinement fusion implosions
Pulse shaping is a powerful tool for mitigating implosion instabilities in direct-drive inertial confinement fusion (ICF). However, the high-dimensional and nonlinear nature of implosions makes the pulse optimization quite challenging. In this research, we develop a machine-learning pulse shape desi...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Cambridge University Press
2023-01-01
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| Series: | High Power Laser Science and Engineering |
| Subjects: | |
| Online Access: | https://www.cambridge.org/core/product/identifier/S209547192300035X/type/journal_article |
| _version_ | 1797819738202570752 |
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| author | Tao Tao Guannan Zheng Qing Jia Rui Yan Jian Zheng |
| author_facet | Tao Tao Guannan Zheng Qing Jia Rui Yan Jian Zheng |
| author_sort | Tao Tao |
| collection | DOAJ |
| description | Pulse shaping is a powerful tool for mitigating implosion instabilities in direct-drive inertial confinement fusion (ICF). However, the high-dimensional and nonlinear nature of implosions makes the pulse optimization quite challenging. In this research, we develop a machine-learning pulse shape designer to achieve high compression density and stable implosion. The facility-specific laser imprint pattern is considered in the optimization, which makes the pulse design more relevant. The designer is applied to the novel double-cone ignition scheme, and simulation shows that the optimized pulse increases the areal density expectation by 16% in one dimension, and the clean-fuel thickness by a factor of four in two dimensions. This pulse shape designer could be a useful tool for direct-drive ICF instability control. |
| first_indexed | 2024-03-13T09:27:01Z |
| format | Article |
| id | doaj.art-3a6ebbaadf4546baa019c7d68d98e39a |
| institution | Directory Open Access Journal |
| issn | 2095-4719 2052-3289 |
| language | English |
| last_indexed | 2024-03-13T09:27:01Z |
| publishDate | 2023-01-01 |
| publisher | Cambridge University Press |
| record_format | Article |
| series | High Power Laser Science and Engineering |
| spelling | doaj.art-3a6ebbaadf4546baa019c7d68d98e39a2023-05-26T07:18:19ZengCambridge University PressHigh Power Laser Science and Engineering2095-47192052-32892023-01-011110.1017/hpl.2023.35Laser pulse shape designer for direct-drive inertial confinement fusion implosionsTao Tao0https://orcid.org/0000-0002-3897-0980Guannan Zheng1Qing Jia2Rui Yan3Jian Zheng4https://orcid.org/0000-0001-8290-4772Department of Plasma Physics and Fusion Engineering and CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, ChinaDepartment of Plasma Physics and Fusion Engineering and CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, ChinaDepartment of Plasma Physics and Fusion Engineering and CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, ChinaDepartment of Modern Mechanics, University of Science and Technology of China, Hefei, China Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai, ChinaDepartment of Plasma Physics and Fusion Engineering and CAS Key Laboratory of Geospace Environment, University of Science and Technology of China, Hefei, China Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai, ChinaPulse shaping is a powerful tool for mitigating implosion instabilities in direct-drive inertial confinement fusion (ICF). However, the high-dimensional and nonlinear nature of implosions makes the pulse optimization quite challenging. In this research, we develop a machine-learning pulse shape designer to achieve high compression density and stable implosion. The facility-specific laser imprint pattern is considered in the optimization, which makes the pulse design more relevant. The designer is applied to the novel double-cone ignition scheme, and simulation shows that the optimized pulse increases the areal density expectation by 16% in one dimension, and the clean-fuel thickness by a factor of four in two dimensions. This pulse shape designer could be a useful tool for direct-drive ICF instability control.https://www.cambridge.org/core/product/identifier/S209547192300035X/type/journal_articledouble-cone ignitionhydrodynamics instabilitymachine-learning optimizationpulse shape optimization |
| spellingShingle | Tao Tao Guannan Zheng Qing Jia Rui Yan Jian Zheng Laser pulse shape designer for direct-drive inertial confinement fusion implosions High Power Laser Science and Engineering double-cone ignition hydrodynamics instability machine-learning optimization pulse shape optimization |
| title | Laser pulse shape designer for direct-drive inertial confinement fusion implosions |
| title_full | Laser pulse shape designer for direct-drive inertial confinement fusion implosions |
| title_fullStr | Laser pulse shape designer for direct-drive inertial confinement fusion implosions |
| title_full_unstemmed | Laser pulse shape designer for direct-drive inertial confinement fusion implosions |
| title_short | Laser pulse shape designer for direct-drive inertial confinement fusion implosions |
| title_sort | laser pulse shape designer for direct drive inertial confinement fusion implosions |
| topic | double-cone ignition hydrodynamics instability machine-learning optimization pulse shape optimization |
| url | https://www.cambridge.org/core/product/identifier/S209547192300035X/type/journal_article |
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