High Power Laser and Particle Beams, Volume. 37, Issue 1, 014004(2025)

Development of linear accelerator microwave system for terahertz near-field high-throughput material physical property testing system

Zhuoxia Shao1,2, Tong Zhang1,2, Ziqiang Dong1,2、*, Zeran Zhou3, Zhigang He3, Lin Wang1,3, and Yalin Lu1,2
Author Affiliations
  • 1Anhui Laboratory of Advanced Photon Science and Technology, University of Science and Technology of China, Hefei 230029, China
  • 2Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
  • 3National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230029, China
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    The terahertz near-field high-throughput material physical property testing system (NFTHZ) integrates a wavelength-tunable terahertz free electron laser (THz-FEL). The instrument uses a linear accelerator with tunable electron energy of 10-18 MeV as the injector. A pre-bunched electron beam can be formed by adjusting the longitudinal/temporal structure of the driving laser. By matching the relationship between the bunching factor, energy of the electron beam at the undulator entrance and the K value of undulator, a terahertz free electron laser with megawatts peak power and an adjustable center wavelength of 0.5-5.0 THz can be achieved. The microwave system provides high-power microwave electric field, accelerating structure and microwave amplitude and phase control system to accelerate the electron beam to the target energy. This article will introduce the development of the microwave system of the NFTHZ facility and the construction progress of the electron linear accelerator.

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    Zhuoxia Shao, Tong Zhang, Ziqiang Dong, Zeran Zhou, Zhigang He, Lin Wang, Yalin Lu. Development of linear accelerator microwave system for terahertz near-field high-throughput material physical property testing system[J]. High Power Laser and Particle Beams, 2025, 37(1): 014004

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    Paper Information

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    Received: May. 15, 2024

    Accepted: Nov. 29, 2024

    Published Online: Feb. 21, 2025

    The Author Email: Ziqiang Dong (dzq1992@ustc.edu.cn)

    DOI:10.11884/HPLPB202537.240168

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