High Power Laser and Particle Beams, Volume. 37, Issue 2, 023004(2025)

Performance study of resonant ring and rectangular flexible waveguide

Zhengrong Wu1,2, Longbo Shi1, Guodong Jiang1,2, Kean Jin1, Liepeng Sun1,2、*, chao Pan3, and Guirong Huang1
Author Affiliations
  • 1Linear Accelerator Center, Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 2School of Nuclear Science and Technology, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516000, China
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    To solve the problem of hard connection in waveguide transmission line, some waveguide components will use flexible waveguide, but the use of flexible waveguide will bring about the increase of transmission line loss. Aiming to investigate its loss and electrical heating under real operating conditions, we built a test platform based on a resonant ring with a 13.4 dB power gain in the traveling wave of the resonant ring, which successfully achieves an equivalent power of 140 kW at the position of the antinode by means of two 2 kW power amplifiers. Based on the results of simulations and experiments, we optimized the design of the rectangular flexible waveguide and improved its structure and materials to better cope with the thermal deformation and stress under high power input. The optimized flexible waveguide's electrical and thermal performance is better than that of similar foreign products.

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    Zhengrong Wu, Longbo Shi, Guodong Jiang, Kean Jin, Liepeng Sun, chao Pan, Guirong Huang. Performance study of resonant ring and rectangular flexible waveguide[J]. High Power Laser and Particle Beams, 2025, 37(2): 023004

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    Paper Information

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    Received: Sep. 5, 2024

    Accepted: Nov. 6, 2024

    Published Online: Mar. 25, 2025

    The Author Email: Sun Liepeng (sunlp@impcas.ac.cn)

    DOI:10.11884/HPLPB202537.240310

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