A rasterization-based ray-tracing method for laser–plasma interactions
This paper introduces a novel ray-tracing methodology for various gradient-index materials, particularly plasmas. The proposed approach utilizes adaptive-step Runge–Kutta integration to compute ray trajectories while incorporating an innovative rasterization step for ray energy deposition. By removi...
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| Main Authors: | , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Cambridge University Press
2025-01-01
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| Series: | High Power Laser Science and Engineering |
| Subjects: | |
| Online Access: | https://www.cambridge.org/core/product/identifier/S2095471925000222/type/journal_article |
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| _version_ | 1849422530354348032 |
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| author | Tao Tao Zhujun Li Kejian Qian Xian Jiang Guannan Zheng Rui Yan Haoran Liu Qing Jia Jun Li Hang Ding Jian Zheng |
| author_facet | Tao Tao Zhujun Li Kejian Qian Xian Jiang Guannan Zheng Rui Yan Haoran Liu Qing Jia Jun Li Hang Ding Jian Zheng |
| author_sort | Tao Tao |
| collection | DOAJ |
| description | This paper introduces a novel ray-tracing methodology for various gradient-index materials, particularly plasmas. The proposed approach utilizes adaptive-step Runge–Kutta integration to compute ray trajectories while incorporating an innovative rasterization step for ray energy deposition. By removing the requirement for rays to terminate at cell interfaces – a limitation inherent in earlier cell-confined approaches – the numerical formulation of ray motion becomes independent of specific domain geometries. This facilitates a unified and concise tracing method compatible with all commonly used curvilinear coordinate systems in laser–plasma simulations, which were previously unsupported or prohibitively complex under cell-confined frameworks. Numerical experiments demonstrate the algorithm’s stability and versatility in capturing diverse ray physics across reduced-dimensional planar, cylindrical and spherical coordinate systems. We anticipate that the rasterization-based approach will pave the way for the development of a generalized ray-tracing toolkit applicable to a broad range of fluid simulations and synthetic optical diagnostics. |
| format | Article |
| id | doaj-art-cae48e5fa4cb468a9293bce7a00a5a73 |
| institution | Kabale University |
| issn | 2095-4719 2052-3289 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Cambridge University Press |
| record_format | Article |
| series | High Power Laser Science and Engineering |
| spelling | doaj-art-cae48e5fa4cb468a9293bce7a00a5a732025-08-20T03:31:05ZengCambridge University PressHigh Power Laser Science and Engineering2095-47192052-32892025-01-011310.1017/hpl.2025.22A rasterization-based ray-tracing method for laser–plasma interactionsTao Tao0https://orcid.org/0000-0002-3897-0980Zhujun Li1https://orcid.org/0009-0002-9820-8485Kejian Qian2Xian Jiang3Guannan Zheng4Rui Yan5Haoran Liu6Qing Jia7Jun Li8Hang Ding9Jian Zheng10Department of Plasma Physics and Fusion Engineering, University of Science and Technology of China, Hefei, ChinaDepartment of Modern Mechanics, University of Science and Technology of China, Hefei, ChinaDepartment of Modern Mechanics, University of Science and Technology of China, Hefei, ChinaDepartment of Modern Mechanics, University of Science and Technology of China, Hefei, ChinaDepartment of Plasma Physics and Fusion Engineering, 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 Modern Mechanics, University of Science and Technology of China, Hefei, ChinaDepartment of Plasma Physics and Fusion Engineering, University of Science and Technology of China, Hefei, ChinaDepartment of Plasma Physics and Fusion Engineering, University of Science and Technology of China, Hefei, ChinaDepartment of Modern Mechanics, University of Science and Technology of China, Hefei, ChinaDepartment of Plasma Physics and Fusion Engineering, University of Science and Technology of China, Hefei, China Collaborative Innovation Center of IFSA, Shanghai Jiao Tong University, Shanghai, ChinaThis paper introduces a novel ray-tracing methodology for various gradient-index materials, particularly plasmas. The proposed approach utilizes adaptive-step Runge–Kutta integration to compute ray trajectories while incorporating an innovative rasterization step for ray energy deposition. By removing the requirement for rays to terminate at cell interfaces – a limitation inherent in earlier cell-confined approaches – the numerical formulation of ray motion becomes independent of specific domain geometries. This facilitates a unified and concise tracing method compatible with all commonly used curvilinear coordinate systems in laser–plasma simulations, which were previously unsupported or prohibitively complex under cell-confined frameworks. Numerical experiments demonstrate the algorithm’s stability and versatility in capturing diverse ray physics across reduced-dimensional planar, cylindrical and spherical coordinate systems. We anticipate that the rasterization-based approach will pave the way for the development of a generalized ray-tracing toolkit applicable to a broad range of fluid simulations and synthetic optical diagnostics.https://www.cambridge.org/core/product/identifier/S2095471925000222/type/journal_articlegeometric opticsinertial confinement fusionlaser-produced plasmasray tracing |
| spellingShingle | Tao Tao Zhujun Li Kejian Qian Xian Jiang Guannan Zheng Rui Yan Haoran Liu Qing Jia Jun Li Hang Ding Jian Zheng A rasterization-based ray-tracing method for laser–plasma interactions High Power Laser Science and Engineering geometric optics inertial confinement fusion laser-produced plasmas ray tracing |
| title | A rasterization-based ray-tracing method for laser–plasma interactions |
| title_full | A rasterization-based ray-tracing method for laser–plasma interactions |
| title_fullStr | A rasterization-based ray-tracing method for laser–plasma interactions |
| title_full_unstemmed | A rasterization-based ray-tracing method for laser–plasma interactions |
| title_short | A rasterization-based ray-tracing method for laser–plasma interactions |
| title_sort | rasterization based ray tracing method for laser plasma interactions |
| topic | geometric optics inertial confinement fusion laser-produced plasmas ray tracing |
| url | https://www.cambridge.org/core/product/identifier/S2095471925000222/type/journal_article |
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