Time-Resolved Interferometric Measurements of Plasma Density Evolution in Laser-Driven Capacitor-Coil Targets
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| Main Authors: | , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866914295973937152 |
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| author | Zhang, Yang Omura, Ryo Akematsu, Rinya Law, King Fai Farley Russell, Brandon K. Pomraning, Geoffrey Orr, Kian Kimura, Kai Syahbana, Muhammad Fauzan Karaki, Yuga Matsubara, Hiroki Yamada, Ryuya Dun, Jinyuan Takizawa, Ryunosuke Arikawa, Yasunobu Pikuz, Tatiana Fukuda, Yuji Gao, Lan Ji, Hantao Fujioka, Shinsuke |
| author_facet | Zhang, Yang Omura, Ryo Akematsu, Rinya Law, King Fai Farley Russell, Brandon K. Pomraning, Geoffrey Orr, Kian Kimura, Kai Syahbana, Muhammad Fauzan Karaki, Yuga Matsubara, Hiroki Yamada, Ryuya Dun, Jinyuan Takizawa, Ryunosuke Arikawa, Yasunobu Pikuz, Tatiana Fukuda, Yuji Gao, Lan Ji, Hantao Fujioka, Shinsuke |
| contents | Laser-driven capacitor-coil targets provide a compact platform for generating strong magnetic fields and are widely used in magnetized high-energy-density plasma experiments. In addition to magnetic-field generation, these targets also produce plasma in the coil region, which can influence the subject physical processes, interact with secondary targets or external plasmas in their applications. However, direct, time-resolved measurements of the plasma density surrounding the coil remain limited. Here, we report interferometric measurements of the plasma density evolution in laser-driven capacitor-coil targets irradiated by the University of Osaka LFEX laser. Two-dimensional electron density maps reveal two distinct plasma sources loading the coil region: plasma generated in the coil itself and plasma produced by laser ablation of the target plates. These results provide quantitative information on plasma loading and evolution in capacitor-coil targets and are directly relevant to the design and modeling of magnetized high-energy-density plasma experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_23271 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Time-Resolved Interferometric Measurements of Plasma Density Evolution in Laser-Driven Capacitor-Coil Targets Zhang, Yang Omura, Ryo Akematsu, Rinya Law, King Fai Farley Russell, Brandon K. Pomraning, Geoffrey Orr, Kian Kimura, Kai Syahbana, Muhammad Fauzan Karaki, Yuga Matsubara, Hiroki Yamada, Ryuya Dun, Jinyuan Takizawa, Ryunosuke Arikawa, Yasunobu Pikuz, Tatiana Fukuda, Yuji Gao, Lan Ji, Hantao Fujioka, Shinsuke Plasma Physics Laser-driven capacitor-coil targets provide a compact platform for generating strong magnetic fields and are widely used in magnetized high-energy-density plasma experiments. In addition to magnetic-field generation, these targets also produce plasma in the coil region, which can influence the subject physical processes, interact with secondary targets or external plasmas in their applications. However, direct, time-resolved measurements of the plasma density surrounding the coil remain limited. Here, we report interferometric measurements of the plasma density evolution in laser-driven capacitor-coil targets irradiated by the University of Osaka LFEX laser. Two-dimensional electron density maps reveal two distinct plasma sources loading the coil region: plasma generated in the coil itself and plasma produced by laser ablation of the target plates. These results provide quantitative information on plasma loading and evolution in capacitor-coil targets and are directly relevant to the design and modeling of magnetized high-energy-density plasma experiments. |
| title | Time-Resolved Interferometric Measurements of Plasma Density Evolution in Laser-Driven Capacitor-Coil Targets |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2601.23271 |