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High Power Laser and Particle Beams, Volume. 34, Issue 3, 031013(2022)

Waveguide optical resonator optimization of CAEP THz-FEL in 1−4.2 THz

Yuhuan Dou1, Xiaojian Shu1, Dai Wu2、*, Yong Xu2, Xingfan Yang2, and Ming Li2
Author Affiliations
  • 1Institute of Applied Physics and Computational Mathematics, P.O. Box 8009, Beijing 100094, China
  • 2Institute of Applied Electronics, CAEP, Mianyang 621900, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (3)
    Equations (5)
    References (13)
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    Figures & Tables(3)
    Curve of power in the optical cavities (Pin) to the waveguide gap 22 mm and 14 mm in 1 THz vs pass

    Fig. 1. Curve of power in the optical cavities (Pin) to the waveguide gap 22 mm and 14 mm in 1 THz vs pass

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    (a) skin depth changes with frequency and conductivity and (b) corrected conductivity vs roughness of copper surface

    Fig. 2. (a) skin depth changes with frequency and conductivity and (b) corrected conductivity vs roughness of copper surface

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    • Table 1. Parameters of CAEP’s THz free-electron laser(FEL)

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      Table 1. Parameters of CAEP’s THz free-electron laser(FEL)

      electron beamwiggler
      energy /MeV7period /cm3.8
      peak current /A12.5peak field strength /kG3.3
      micro bunch/ps8number of periods42
      emittance/(πmm·mrad)10optical cavity
      energy spread /%0.75(FWHM)cavity length /m2.769
      repetition rate/MHz54.17curvature radius/cm221
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    Yuhuan Dou, Xiaojian Shu, Dai Wu, Yong Xu, Xingfan Yang, Ming Li. Waveguide optical resonator optimization of CAEP THz-FEL in 1−4.2 THz[J]. High Power Laser and Particle Beams, 2022, 34(3): 031013

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    Paper Information

    Category: Laser Propagation and Control

    Received: Jul. 12, 2021

    Accepted: --

    Published Online: Mar. 28, 2022

    The Author Email: Dai Wu (wudai04@163.com)

    DOI:10.11884/HPLPB202234.210270

    Topics

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