First observations on wall plasma expansion and x-ray flux in foam hohlraum at 100 kJ laser facility

Zhang Lu; Lin Zhiwei; Jing Longfei; Zheng Jianhua; Wang Qiangqiang; Li Sanwei; Cao Zhurong; Dong Yunsong; Deng Bo; Li Liling; Li Hang; Li Yulong; Du Huabing; Zhan Xiayu; Xu Xibin; Niu Gao; Zhou Wei; Kuang Longyu; Yang Dong; Yang Jiamin; Zhao Zongqing; Ding Yongkun; Zhang Weiyan

doi:10.1063/5.0237908

Volume 10 Issue 2

Mar. 2025

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Article Navigation > Matter and Radiation at Extremes > 2025 > 10(2): 027401

Zhang Lu, Lin Zhiwei, Jing Longfei, Zheng Jianhua, Wang Qiangqiang, Li Sanwei, Cao Zhurong, Dong Yunsong, Deng Bo, Li Liling, Li Hang, Li Yulong, Du Huabing, Zhan Xiayu, Xu Xibin, Niu Gao, Zhou Wei, Kuang Longyu, Yang Dong, Yang Jiamin, Zhao Zongqing, Ding Yongkun, Zhang Weiyan. First observations on wall plasma expansion and x-ray flux in foam hohlraum at 100 kJ laser facility[J]. Matter and Radiation at Extremes, 2025, 10(2): 027401. doi: 10.1063/5.0237908

Citation:

Zhang Lu, Lin Zhiwei, Jing Longfei, Zheng Jianhua, Wang Qiangqiang, Li Sanwei, Cao Zhurong, Dong Yunsong, Deng Bo, Li Liling, Li Hang, Li Yulong, Du Huabing, Zhan Xiayu, Xu Xibin, Niu Gao, Zhou Wei, Kuang Longyu, Yang Dong, Yang Jiamin, Zhao Zongqing, Ding Yongkun, Zhang Weiyan. First observations on wall plasma expansion and x-ray flux in foam hohlraum at 100 kJ laser facility[J]. Matter and Radiation at Extremes, 2025, 10(2): 027401. doi: 10.1063/5.0237908

Citation:

Zhang Lu, Lin Zhiwei, Jing Longfei, Zheng Jianhua, Wang Qiangqiang, Li Sanwei, Cao Zhurong, Dong Yunsong, Deng Bo, Li Liling, Li Hang, Li Yulong, Du Huabing, Zhan Xiayu, Xu Xibin, Niu Gao, Zhou Wei, Kuang Longyu, Yang Dong, Yang Jiamin, Zhao Zongqing, Ding Yongkun, Zhang Weiyan. First observations on wall plasma expansion and x-ray flux in foam hohlraum at 100 kJ laser facility[J]. Matter and Radiation at Extremes, 2025, 10(2): 027401. doi: 10.1063/5.0237908

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First observations on wall plasma expansion and x-ray flux in foam hohlraum at 100 kJ laser facility

doi: 10.1063/5.0237908

Zhang Lu^{1, 2
,},
Lin Zhiwei¹,
Jing Longfei^1
,,
Zheng Jianhua¹,
Wang Qiangqiang^1
,,
Li Sanwei¹,
Cao Zhurong¹,
Dong Yunsong^1
,,
Deng Bo¹,
Li Liling^1
,,
Li Hang¹,
Li Yulong¹,
Du Huabing¹,
Zhan Xiayu¹,
Xu Xibin¹,
Niu Gao¹,
Zhou Wei¹,
Kuang Longyu^{1
,
,},
Yang Dong^{1, 2
,},
Yang Jiamin^1
,,
Zhao Zongqing^{1, 2},
Ding Yongkun^{3
,
,
,},
Zhang Weiyan⁴

1.
Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
2.
National Key Laboratory of Plasma Physics, Mianyang 621900, China
3.
Institute of Applied Physics and Computational Mathematics, Beijing 100088, China
4.
China Academy of Engineering Physics, Beijing 100088, China

More Information

Corresponding author: a)Authors to whom correspondence should be addressed: kuangly0402@caep.cn and yongkun_ding@iapcm.ac.cn
Received Date: 2024-09-08
Accepted Date: 2024-12-20

Available Online: 2025-03-01

Publish Date: 2025-03-01

Abstract

Abstract

The first experiments on laser-driven cylindrical gold foam hohlraums have been performed at the 100 kJ SG-III laser facility. Measurements of the expanding plasma emission show that there is less expanding plasma fill in foam hohlraums with a wall density of 0.8 g/cm³ than in solid gold hohlraums. The radiation temperatures at different angles confirm these results. Simulation results show that the expanding plasma density in the foam hohlraums is lower than in the solid hohlraums, resulting in less expanding plasma emission and higher radiation temperature. Thus, foam gold hohlraums have advantages in reducing wall plasma filling and improving X-ray transmission, which has potential applications in achieving a higher fusion yield.

The authors have no conflicts to disclose.
Conflict of Interest
Lu Zhang: Investigation (equal); Writing – original draft (equal). Zhiwei Lin: Writing – review & editing (equal). Longfei Jing: Data curation (equal); Software (equal). Jianhua Zheng: Data curation (equal). Qiangqiang Wang: Data curation (equal). Sanwei Li: Conceptualization (equal); Data curation (equal). Zhurong Cao: Data curation (equal). Yunsong Dong: Investigation (equal). Bo Deng: Data curation (equal). Liling Li: Data curation (equal). Hang Li: Data curation (equal). Yulong Li: Data curation (equal). Huabing Du: Data curation (equal). Xiayu Zhan: Data curation (equal). Xibin Xu: Data curation (equal). Gao Niu: Data curation (equal). Wei Zhou: Data curation (equal). Longyu Kuang: Investigation (equal); Software (equal); Writing – review & editing (equal). Dong Yang: Conceptualization (equal); Investigation (equal). Jiamin Yang: Conceptualization (equal); Investigation (equal). Zongqing Zhao: Conceptualization (equal). Yongkun Ding: Conceptualization (equal); Investigation (equal); Writing – review & editing (equal). Weiyan Zhang: Conceptualization (lead).
Author Contributions
The data that support the findings of this study are available from the corresponding author upon reasonable request.

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References(33)

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