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Implementation of ultraviolet Thomson scattering on SG-III laser facility
Zhao, Hang1,2; Li, Zhichao1; Yang, Dong1; Jiang, Xiaohua1; Liu, Yonggang1; Wang, Fang1; Zhou, Wei1; Yan, Yadong3; He, Junhua3; Li, Sanwei1; Guo, Liang1; Peng, Xiaoshi1; Xu, Tao1; Liu, Shenye1; Wang, Feng1; Yang, Jiamin1; Jiang, Shaoen1; Zheng, Wanguo1; Zhang, Baohan1; Ding, Yongkun4
Source PublicationReview of Scientific Instruments
Contribution Rank3

An ultraviolet Thomson-scattering system has been designed and implemented on the Shenguang-III laser facility, a 48-beam, 3ω (351 nm), 180 kJ-level laser driver for high energy density physics and inertial confinement fusion researches. The 4ω (263.3 nm) probe beam of the Thomson-scattering system is injected from the north pole (top) of the target chamber, with an assistant beam-pointing monitor to achieve high pointing accuracy. The Thomson-scattered light is collected by a double-Cassegrain optical transmission system, which provides an achromatic image over a wide wavelength range of 200-800 nm. A novel on-line alignment method is developed and applied to the diagnostic system, ensuring a volumetric positioning accuracy of ∼30 μm for the scattering volume. An online calibration is also conducted to provide the wavelength benchmark and the spectral resolution of the system. This Thomson-scattering system has been tested in a complicated experimental environment with gas-filled hohlraums, and a high-quality ion feature of the scattered light has been obtained. © 2018 Author(s).

KeywordElectron-temperature Plasmas Beam
Indexed BySCI ; EI
WOS IDWOS:000446159100037
PublisherAmerican Institute of Physics Inc.
EI Accession Number20183905877229
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Document Type期刊论文
Affiliation1.Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang, Sichuan; 621900, China;
2.Department of Engineering Physics, Tsinghua University, Beijing; 100084, China;
3.Xian Institute of Optics and Precision Mechanics, Chinese Academy of Science, Xian, Shanxi; 710068, China;
4.Institute of Applied Physics and Computational Mathematics, Beijing; 100088, China
Recommended Citation
GB/T 7714
Zhao, Hang,Li, Zhichao,Yang, Dong,et al. Implementation of ultraviolet Thomson scattering on SG-III laser facility[J]. Review of Scientific Instruments,2018,89(9).
APA Zhao, Hang.,Li, Zhichao.,Yang, Dong.,Jiang, Xiaohua.,Liu, Yonggang.,...&Ding, Yongkun.(2018).Implementation of ultraviolet Thomson scattering on SG-III laser facility.Review of Scientific Instruments,89(9).
MLA Zhao, Hang,et al."Implementation of ultraviolet Thomson scattering on SG-III laser facility".Review of Scientific Instruments 89.9(2018).
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