Matter and Radiation at Extremes, Vol. 4, Issue 5, 055202 (2019)
Recent research progress of laser plasma interactions in Shenguang laser facilities
Tao Gong1,*, Liang Hao2, Zhichao Li1, Dong Yang1, Sanwei Li1, Xin Li2, Liang Guo1, Shiyang Zou2, Yaoyuan Liu3, Xiaohua Jiang1, Xiaoshi Peng1, Tao Xu1, Xiangming Liu1, Yulong Li1, Chunyang Zheng2, Hongbo Cai2, Zhanjun Liu2, Jian Zheng3, Zhebin Wang1, Qi Li1, Ping Li1, Rui Zhang1, Ying Zhang1, Fang Wang1, Deen Wang1, Feng Wang1, Shenye Liu1, Jiamin Yang1, Shaoen Jiang1, Baohan Zhang1, and Yongkun Ding2
- 1Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang, Sichuan 621900, People’s Republic of China
- 2Institute of Applied Physics and Computational Mathematics, Beijing 100088, People’s Republic of China
- 3CAS Key Laboratory of Geospace Environment and Department of Engineering and Department of Engineering and Applied Physics, University of Science and Technology of China, Hefei, Anhui 230027, People’s Republic of China
We report experimental research on laser plasma interaction (LPI) conducted in Shenguang laser facilities during the past ten years. The research generally consists of three phases: (1) developing platforms for LPI research in mm-scale plasma with limited drive energy, where both gasbag and gas-filled hohlraum targets are tested; (2) studying the effects of beam-smoothing techniques, such as continuous phase plate and polarization smoothing, on the suppression of LPI; and (3) exploring the factors affecting LPI in integrated implosion experiments, which include the laser intensity, gas-fill pressure, size of the laser-entrance hole, and interplay between different beam cones. Results obtained in each phase will be presented and discussed in detail.