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| 1 | Status and development of high-power laser facilities at the NLHPLP显示文摘In this paper, we review the status of the multifunctional experimental platform at the National Laboratory of High Power Laser and Physics(NLHPLP). The platform, including the SG-II laser facility, SG-II 9th beam, SG-II upgrade(SG-II UP) facility, and SG-II 5 PW facility, is operational and available for interested scientists studying inertial confinement fusion(ICF) and a broad range of high-energy-density physics. These facilities can provide important experimental capabilities by combining different pulse widths of nanosecond, picosecond, and femtosecond scales. In addition, the SG-II UP facility, consisting of a single petawatt system and an eight-beam nanosecond system, is introduced including several laser technologies that have been developed to ensure the performance of the facility. Recent developments of the SG-II 5 PW facility are also presented. | Jianqiang Zhu Jian Zhu Xuechun Li Baoqiang Zhu Weixin Ma Xingqiang Lu Wei Fan Zhigang Liu Shenlei Zhou Guang Xu Guowen Zhang Xinglong Xie Lin Yang Jiangfeng Wang Xiaoping Ouyang Li Wang Dawei Li Pengqian Yang Quantang Fan Mingying Sun Chong Liu Dean Liu Yanli Zhang Hua Tao Meizhi Sun Ping Zhu Bingyan Wang Zhaoyang Jiao Lei Ren Daizhong Liu Xiang Jiao Hongbiao Huang Zunqi Lin | 2018 | High Power Laser Science and Engineering2018，6，4： | 8 |
| 2 | Wavefront measurement techniques used in high power lasers显示文摘The properties of a series of phase measurement techniques,including interferometry,the Hartmann–Shack wavefront sensor,the knife-edge technique,and coherent diffraction imaging,are summarized and their performance in high power laser applications is compared.The advantages,disadvantages,and application ranges of each technique are discussed. | Haiyan Wang Cheng Liu Xiaoliang He Xingchen Pan Shenlei Zhou Rong Wu Jianqiang Zhu | 2014 | High Power Laser Science and Engineering2014，2，3： | 1 |
| 3 | A novel cleanliness control method for disk amplifiers显示文摘As the key part for energy amplification of high-power laser systems,disk amplifiers must work in an extremely clean environment.Different from the traditional cleanliness control scheme of active intake and passive exhaust(AIPE),a new method of active exhaust and passive intake(AEPI)is proposed in this paper.Combined with computational fluid dynamics(CFD)technology,through the optimization design of the sizes,shapes,and locations of different outlets and inlets,the turbulence that is unfavorable to cleanliness control is effectively avoided in the disk amplifier cavity during the process of AEPI.Finally,the cleanliness control of the cavity of the disk amplifier can be realized just by once exhaust.Meanwhile,the micro negative pressure environment in the amplifier cavity produced during the exhaust process reduces the requirement for sealing.This method is simple,time saving,gas saving,efficient,and safe.It is also suitable for the cleanliness control of similar amplifiers. | Yangshuai Li Bingyan Wang Panzheng Zhang Yanli Zhang Yanfeng Zhang Shenlei Zhou Weixin Ma Jianqiang Zhu | 2020 | High Power Laser Science and Engineering2020，8，4： | 1 |
| 4 | An important effect of filamentation instability on laser fusion physical processes显示文摘The process of high power laser interaction with the large scale length corona plasma produced by the leading edge of the laser pulse has been investigated. Early experimental results are re-analyzed and conclusions drawn. In particular,studies of the close connection of unstable filamentation instability with – mainly – two-plasmon decay and – partly –stimulated Raman scattering, stimulated Brillouin scattering, and resonance absorption are carried out in this paper. The positive and negative effects of filamentation instability are also discussed. | Zunqi Lin Anle Lei Wei Fan Shenlei Zhou Li Wang | 2013 | High Power Laser Science and Engineering2013，1，Z1： | 0 |
| 5 | Laboratory study of astrophysical collisionless shock at SG-Ⅱ laser facility显示文摘Astrophysical collisionless shocks are amazing phenomena in space and astrophysical plasmas, where supersonic flows generate electromagnetic fields through instabilities and particles can be accelerated to high energy cosmic rays. Until now, understanding these micro-processes is still a challenge despite rich astrophysical observation data have been obtained. Laboratory astrophysics, a new route to study the astrophysics, allows us to investigate them at similar extreme physical conditions in laboratory. Here we will review the recent progress of the collisionless shock experiments performed at SG-Ⅱ laser facility in China. The evolution of the electrostatic shocks and Weibel-type/filamentation instabilities are observed. Inspired by the configurations of the counter-streaming plasma flows, we also carry out a novel plasma collider to generate energetic neutrons relevant to the astrophysical nuclear reactions. | Dawei Yuan Huigang Wei Guiyun Liang Feilu Wang Yutong Li Zhe Zhang Baojun Zhu Jiarui Zhao Weiman Jiang Bo Han Xiaoxia Yuan Jiayong Zhong Xiaohui Yuan Changbo Fu Xiaopeng Zhang Chen Wang Guo Jia Jun Xiong Zhiheng Fang Shaoen Jiang Kai Du Yongkun Ding Neng Hua Zhanfeng Qiao Shenlei Zhou Baoqiang Zhu Jianqiang Zhu Gang Zhao Jie Zhang | 2018 | High Power Laser Science and Engineering2018，6，3： | 0 |
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