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High Power Laser and Particle Beams, Volume. 34, Issue 12, 124001(2022)

High-energy CT system with 10 lp/mm spatial resolution

Qinghua Liu1, Jing Li1, Lijun Shan1, Dexin Xiao1, Qing Pan1, Yu Liu1, Hanbin Wang1、*, Dongcai Hu1, Peng Zhang1, Shoutao Li1, Jianxin Wang1, Demin Zhang1, Longgang Yan1, Xiaoli Zhang1, Kongyin Gan1, Chengxin Zhang1, Peng Li1, Xuming Shen1, Wei Bo1, Yunbin Chen1, Xiaohui Li2, Shuaihua Wang3, Yong Yu4, Hao Chen5, Xiutai Hu6, Guowu Ma1, Kui Zhou1, Zheng Zhou1, Yuan Wang1, Xingfan Yang1, Dai Wu1、*, Ming Li1, Menxue Chen1, Jinguang Hu1, Jianheng Zhao1, and Guobin Fan7
Author Affiliations
  • 1Institute of Applied Electronics, CAEP, Mianyang 621900, China
  • 2Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
  • 3Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
  • 4Institute of Systems Engineering, CAEP, Mianyang 621900, China
  • 5Institute of Materials, CAEP, Jiangyou 621907, China
  • 6Jianghe Chemical Technology Co.，Ltd. Yichang 444200，China
  • 7China Academy of Engineering Physics, Mianyang 621900, China
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    Based on the photocathode S-band electron linac, a high-energy (9 MeV) micro-focus CT system named “Jingwei” was built. The focal-point is less than 100 μm, and the 7 h dose fluctuation is as low as 1.6%. An initial imaging experiment was also carried out. The focal spot of the dual-wire image quality meter clearly distinguished the 13D wire with a wire diameter of 0.05 mm, and the CT spatial resolution measured by a test card is better than 10 lp/mm. The electron beam energy of the system is also adjustable from 6 MeV to 18 MeV.

    Keywords
    high-energy industrial CThigh-energy micro-focus X-ray sourcelinacphotocathode
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    Qinghua Liu, Jing Li, Lijun Shan, Dexin Xiao, Qing Pan, Yu Liu, Hanbin Wang, Dongcai Hu, Peng Zhang, Shoutao Li, Jianxin Wang, Demin Zhang, Longgang Yan, Xiaoli Zhang, Kongyin Gan, Chengxin Zhang, Peng Li, Xuming Shen, Wei Bo, Yunbin Chen, Xiaohui Li, Shuaihua Wang, Yong Yu, Hao Chen, Xiutai Hu, Guowu Ma, Kui Zhou, Zheng Zhou, Yuan Wang, Xingfan Yang, Dai Wu, Ming Li, Menxue Chen, Jinguang Hu, Jianheng Zhao, Guobin Fan. High-energy CT system with 10 lp/mm spatial resolution[J]. High Power Laser and Particle Beams, 2022, 34(12): 124001

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    Paper Information

    Category: Particle Beams and Accelerator Technology?Research Letter

    Received: Oct. 1, 2022

    Accepted: --

    Published Online: Nov. 10, 2022

    The Author Email: Wang Hanbin (wanghanbin@caep.cn), Wu Dai (wudai04@163.com)

    DOI:10.11884/HPLPB202234.220322

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology