Explanipedia

Magnetized hohlraum of megagauss-field generated by capacitor-coil target at the ShenGuang-II laser facility Open

Qi Zhang, Tao Yi, Longfei Jing, Huabing Du, Weiwu Wang , et al. · 2025

In previous studies, the pulsed strong magnetic fields generated by the laser-driven coils were usually overestimated. One of the reasons is that the self-generated magnetic field and the coil-induced magnetic field exhibit different power…

A novel testing method of beam pointing accuracy for high-power laser facility Open

Xiaolu Zhang, Lu Zhang, Song Gao, Huaiwen Guo, Jun Zhang , et al. · 2025

Pointing shots are typically used to test the beam pointing accuracy of high-power laser facilities. This paper proposes a new method for measuring pointing accuracy by utilizing visible light generated during the low-energy laser interact…

Performance Evaluation of Warm-Mix Asphalt Binders with an Emphasis on Rutting and Intermediate-Temperature Cracking Resistance Open

Jiangbo Pang, Yu Chen, Longfei Jing, Haoran Song, Ziyang Liu · 2025

Warm-mix asphalt (WMA) technology is gaining popularity worldwide due to its benefits of considerable emissions reduction and energy savings when compared with hot-mix asphalt (HMA). Currently, there is a wide range of WMA products with co…

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

Lu Zhang, Zhiwei Lin, Longfei Jing, Jianhua Zheng, Qiangqiang Wang , et al. · 2025

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 wi…

A method for diagnosing the implosion symmetry in inertial confinement fusion with wide-angle VISAR Open

Yinbao Wu, Zanyang Guan, Qing Zhang, Longfei Jing, Kuan Ren , et al. · 2025

A method for diagnosing implosion symmetry in inertial confinement fusion (ICF) with wide-angle velocity interferometer system for any reflector (VISAR)was proposed in this study. The method considers the object-image relationship of the w…

Reducing the motion of laser spot using hollow wall design in hohlraum Open

Lu Zhang, Longfei Jing, Zhiwei Lin, Liling Li, Tuo Zhu , et al. · 2024

A longer pulse, lower adiabat drive in a low gas-fill hohlraum is an inertial confinement fusion design with potential higher gain, but has challenges such as the less tamped wall plasma. Thus, it is necessary to alter the laser spot regio…

Experimental investigation of toe laser intensity effects on capsule compression in indirect-drive inertial confinement fusion Open

Weiming Yang, Xiaoxi Duan, Yulong Li, Yuxue Zhang, Longfei Jing , et al. · 2024

In indirect-drive inertial confinement fusion (ICF) research, the meticulous design and optimization of laser parameters are crucial for achieving high-gain ignition. The intensity of the toe laser, used for ablating the hohlraum sealing m…

Laboratorial radiative shocks with multiple parameters and first quantifying verifications to core-collapse supernovae Open

Lu Zhang, Jianhua Zheng, Zhenghua Yang, Tianming Song, Shuai Zhang , et al. · 2024

We present experiments to reproduce the characteristics of core-collapse supernovae with different stellar masses and initial explosion energies in the laboratory. In the experiments, shocks are driven in 1.2 atm and 1.9 atm xenon gas by l…

Evolution of low-mode asymmetries introduced by x-ray P2 drive asymmetry during double shell implosions on the SG facility Open

Guanqiong Wang, Hang Li, X. Q. Li, Chenguang Li, Xindong Li , et al. · 2024

Double shell capsule can provide a potential low-convergence to fusion ignition at relatively low temperature (∼3 keV). One of the main sources of degrading double shell implosion performance is the low-mode asymmetries. Recently, the expe…

Measurement of 2<i>p</i>-3<i>d</i> absorption in a hot molybdenum plasma Open

Gang Xiong, Bo Qing, Zhiyu Zhang, Longfei Jing, Yang Zhao , et al. · 2024

We present measurements of the 2p-3d transition opacity of a hot molybdenum–scandium sample with nearly half-vacant molybdenum M-shell configurations. A plastic-tamped molybdenum–scandium foil sample is radiatively heated to high temperatu…

Collision frequency measurement from optical reflectivity of laser indirect-driven CH/Al/diamond Open

Zhe Zhang, Hou Yong, Yang Zhao, Jiyan Zhang, Tao Xu , et al. · 2024

A collision frequency measurement from the optical reflectivity of laser indirect-driven CH/Al/diamond on the SG-10kJ laser facility is presented. The optical reflectivity and the Al/diamond interface velocity were measured simultaneously …

Performance Evaluation of Warm-Mix Asphalt Binders with an Emphasis on Rutting and Intermediate Temperature Cracking Resistance Open

Jiangbo Pang, Yu Chen, Longfei Jing, Haoran Song, Ziyang Liu · 2024

Study of the radiation temperature on ablator by using the shock wave technique Open

Liling Li, Guoli Ren, Huan Zhang, Longfei Jing, Xiaoshi Peng , et al. · 2022

A new diagnostic platform for more accurate diagnosis of the peak radiation temperature on ablator has been proposed. A nearly constant radiation temperature was obtained by two laser entrance holes spherical hohlraum. The peak radiation t…

Optimization of x-ray emissions with Gd + Au + Gd sandwich design Open

Liling Li, Shaoen Jiang, Hang Li, Jianhua Zheng, Longfei Jing , et al. · 2021

The x-ray emissivity of gadolinium (Gd) and gold (Au) has been studied using the FLYCHK code. The results show that the Gd M-band is lower than 2 keV and that Gd has a higher x-ray emissivity at low temperature. Thus, we proposed a Gd + Au…

Experimental technique for dynamic fragmentation of materials via indirect drive by high-intensity laser Open

Genbai Chu, Minghai Yu, Min Shui, Wei Fan, Xi Tao , et al. · 2020

High intensity laser is an efficient method for shock generator to study the dynamic fragmentation of materials, in which the direct drive is widely utilized. The continuum phase plate is used for smoothing the focal spot of the laser, but…

First exploration of radiation temperatures of the laser spot, re-emitting wall and entire hohlraum drive source Open

Kuan Ren, Shenye Liu, Xufei Xie, Huabing Du, Lifei Hou , et al. · 2019

This study explores the radiation field temperatures introduced by the laser spot, the re-emitting wall in a hohlraum and the entire hohlraum drive source. This investigation, which is the first of its kind, is based on the radiation fluxe…

First Investigation on the Radiation Field of the Gas-Filled Three-Axis Cylindrical Hohlraum Open

Hang Li, Longfei Jing, Shaoen Jiang, Longyu Kuang, Huabin Du , et al. · 2018

A novel ignition hohlraum named three-axis cylindrical hohlraum (TACH) is designed for indirect-drive inertial confinement fusion. TACH is a kind of 6 laser entrance holes (LEHs) hohlraum, which is orthogonally jointed of three cylindrical…

First Integrated Implosion Experiment of Three-Axis Cylindrical Hohlraum at the SGIII Laser Facility Open

Longyu Kuang, Hang Li, Shaoen Jiang, Longfei Jing, Jianhua Zheng , et al. · 2018

The first integrated implosion experiment of three-axis cylindrical hohlraum (TACH) was accomplished at the SGIII laser facility. 24 laser beams of the SGIII laser facility were carefully chosen and quasi-symmetrically injected into the TA…

Recent progress of hohlraum physics experiments in indirect-driven ICF in China Open

Sanwei Li, Dong Yang, Xin Li, Zhichao Li, Liang Guo , et al. · 2018

In recent years, hohlraum experiments have been performed extensively on Shenguang series laser facilities in the context of laser indirect-drive inertial confinement fusion. Multiple aspects about the hohlraumenergetics, drive symmetry an…

An advanced three-axis elliptical hohlraum for indirectly driven inertial confinement fusion Open

Longfei Jing, Shaoen Jiang, Longyu Kuang, Hang Li, Lu Zhang , et al. · 2017

The radiation symmetry and laser-plasma instabilities (LPIs) inside the conventional cylindrical hohlraum configuration are the two daunting challenges on the approach to ignition in indirectly driven inertial confinement fusion. Recently,…

A novel three-axis cylindrical hohlraum designed for inertial confinement fusion ignition Open

Longyu Kuang, Hang Li, Longfei Jing, Zhiwei Lin, Lu Zhang , et al. · 2016

Citrate Accumulation-Related Gene Expression and/or Enzyme Activity Analysis Combined With Metabolomics Provide a Novel Insight for an Orange Mutant Open

Ling-Xia Guo, Cai-Yun Shi, Xiao Liu, Dong-Yuan Ning, Longfei Jing , et al. · 2016

‘Hong Anliu’ (HAL, Citrus sinensis cv. Hong Anliu) is a bud mutant of ‘Anliu’ (AL), characterized by a comprehensive metabolite alteration, such as lower accumulation of citrate, high accumulation of lycopene and soluble sugars in fruit ju…

A novel three-axis cylindrical hohlraum designed for inertial\n confinement fusion ignition Open

Shaoen Jiang, Longyu Kuang, Hang Li, Longfei Jing, Zhiwei Lin , et al. · 2016

A novel ignition hohlraum for indirect-drive inertial confinement fusion is\nproposed, which is named as three-axis cylindrical hohlraum (TACH). TACH is a\nkind of 6 laser entrance holes (LEHs) hohlraum, which is made of three\ncylindrical…

Experimental study on improving hohlraum wall reemission ratio by low density gold foam Open

Lu Zhang, Dong Yun-Song, Longfei Jing, Zhiwei Lin, Tan Xiulan , et al. · 2016

It is important to improve the hohlraum radiation temperature for the research of high energy density physics, especially for study of inertial confinement fusion. Increasing the wall reemission ratio is an effective way to improve the tem…

Uranium hohlraum with an ultrathin uranium–nitride coating layer for low hard x-ray emission and high radiation temperature Open

Liang Guo, Yongkun Ding, Pifeng Xing, Sanwei Li, Longyu Kuang , et al. · 2015

An ultrathin layer of uranium nitrides (UN) has been coated on the inner surface of depleted uranium hohlraum (DUH), which has been proven by our experiment to prevent the oxidization of uranium (U) effectively. Comparative experiments bet…

Direct measurement of x-ray flux for a pre-specified highly-resolved region in hohlraum Open

Kuan Ren, Shenye Liu, Lifei Hou, Huabing Du, Guoli Ren , et al. · 2015

A space-resolving flux detector (SRFD) is developed to measure the X-ray flux emitted from a specified region in hohlraum with a high resolution up to 0.11mm for the first time. This novel detector has been used successfully to measure the…

Longfei Jing YOU? Author Swipe