Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities
This study focuses on the optimization of beam chamber geometry designs for future direct-drive laser facilities. It provides a review of leading target chamber geometries, with a particular emphasis on random errors. Through comprehensive solid-sphere illuminations and analysis, we identify an opti...
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| Format: | Article |
| Language: | English |
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IOP Publishing
2024-01-01
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| Series: | Nuclear Fusion |
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| Online Access: | https://doi.org/10.1088/1741-4326/ad8015 |
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| author | D. Viala A. Colaïtis D. Barlow D. Batani |
| author_facet | D. Viala A. Colaïtis D. Barlow D. Batani |
| author_sort | D. Viala |
| collection | DOAJ |
| description | This study focuses on the optimization of beam chamber geometry designs for future direct-drive laser facilities. It provides a review of leading target chamber geometries, with a particular emphasis on random errors. Through comprehensive solid-sphere illuminations and analysis, we identify an optimized beam geometry design, highlighting its robustness and performance under realistic experimental conditions. Three major sources of random errors are evaluated, closely linked to experimental evaluations at OMEGA. The findings underscore the importance of optimizing the irradiation system alongside beam pattern considerations to enhance the efficiency and reliability of inertial confinement fusion experiments. We conclude that for a desired illumination uniformity of 1% in the presence of system errors, the split icosahedron design is the most robust. However, for a 0.3% uniformity goal, the charged-particle, icosahedron, and t-sphere methods exhibit similar performance. |
| format | Article |
| id | doaj-art-760bc67009ae4405a7fc6708a9f1edcb |
| institution | OA Journals |
| issn | 0029-5515 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Nuclear Fusion |
| spelling | doaj-art-760bc67009ae4405a7fc6708a9f1edcb2025-08-20T01:47:41ZengIOP PublishingNuclear Fusion0029-55152024-01-01641212604310.1088/1741-4326/ad8015Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilitiesD. Viala0https://orcid.org/0009-0002-0966-8472A. Colaïtis1D. Barlow2D. Batani3Centre Lasers Intenses et Applications , 351 cours de la Libération, 33400 Talence, FranceCentre Lasers Intenses et Applications , 351 cours de la Libération, 33400 Talence, France; Laboratory for Laser Energetics, University of Rochester , Rochester, NY 14623-1299, United States of AmericaCentre Lasers Intenses et Applications , 351 cours de la Libération, 33400 Talence, FranceCentre Lasers Intenses et Applications , 351 cours de la Libération, 33400 Talence, FranceThis study focuses on the optimization of beam chamber geometry designs for future direct-drive laser facilities. It provides a review of leading target chamber geometries, with a particular emphasis on random errors. Through comprehensive solid-sphere illuminations and analysis, we identify an optimized beam geometry design, highlighting its robustness and performance under realistic experimental conditions. Three major sources of random errors are evaluated, closely linked to experimental evaluations at OMEGA. The findings underscore the importance of optimizing the irradiation system alongside beam pattern considerations to enhance the efficiency and reliability of inertial confinement fusion experiments. We conclude that for a desired illumination uniformity of 1% in the presence of system errors, the split icosahedron design is the most robust. However, for a 0.3% uniformity goal, the charged-particle, icosahedron, and t-sphere methods exhibit similar performance.https://doi.org/10.1088/1741-4326/ad8015inertial confinement fusionlow-mode asymmetriesirradiation qualitychamber designsdirect drive |
| spellingShingle | D. Viala A. Colaïtis D. Barlow D. Batani Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities Nuclear Fusion inertial confinement fusion low-mode asymmetries irradiation quality chamber designs direct drive |
| title | Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities |
| title_full | Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities |
| title_fullStr | Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities |
| title_full_unstemmed | Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities |
| title_short | Comparison of chamber beam geometry robustness to mispointing, imbalance and target offset for direct-drive laser fusion facilities |
| title_sort | comparison of chamber beam geometry robustness to mispointing imbalance and target offset for direct drive laser fusion facilities |
| topic | inertial confinement fusion low-mode asymmetries irradiation quality chamber designs direct drive |
| url | https://doi.org/10.1088/1741-4326/ad8015 |
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