• High Power Laser and Particle Beams
  • Vol. 34, Issue 6, 064009 (2022)
Liming Zhong, Xiude Tu, Qushan Chen*, Qiang Fu, Yanqi Hu, and Yongqian Xiong*
Author Affiliations
  • State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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    DOI: 10.11884/HPLPB202234.210537 Cite this Article
    Liming Zhong, Xiude Tu, Qushan Chen, Qiang Fu, Yanqi Hu, Yongqian Xiong. Non-interceptive beam energy spread measurement with a 4-stripline BPM[J]. High Power Laser and Particle Beams, 2022, 34(6): 064009 Copy Citation Text show less
    Schematic of 4-stripline BPM
    Fig. 1. Schematic of 4-stripline BPM
    Units of beam measurement system
    Fig. 2. Units of beam measurement system
    Emittance measurement with quadrupole variation in horizontal and vertical direction
    Fig. 3. Emittance measurement with quadrupole variation in horizontal and vertical direction
    Continuous energy spread measurement with BPM
    Fig. 4. Continuous energy spread measurement with BPM
    Error analysis of energy spread measurement with BPM
    Fig. 5. Error analysis of energy spread measurement with BPM
    No.beam energy/MeVβx/(mm·mrad−1) βy/(mm·mrad−1) $ { \epsilon}_{x} $/(mm·mrad) $ { \epsilon}_{y} $/(mm·mrad)
    19.92.950.051.800.87
    210.12.500.041.671.10
    Table 1. Results of emittance measurements
    No.beam energy/MeVQr/mm2interceptive measurement δ/10−3BPM measurement δ/10−3
    19.95.274.85±0.204.87±1.27
    210.14.096.61±0.256.70±0.81
    Table 2. Results of energy spread measurements with different beam parameters
    Liming Zhong, Xiude Tu, Qushan Chen, Qiang Fu, Yanqi Hu, Yongqian Xiong. Non-interceptive beam energy spread measurement with a 4-stripline BPM[J]. High Power Laser and Particle Beams, 2022, 34(6): 064009
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