Jungao ZHU, Haiyang LU, Yuan ZHAO, Meifu LAI, Yongli GU, Shixiang XU, Meng WEN, Cangtao ZHOU. Study of achromatic beamline design for laser-driven femtosecond electron beams[J]. NUCLEAR TECHNIQUES, 2023, 46(2): 020201

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- NUCLEAR TECHNIQUES
- Vol. 46, Issue 2, 020201 (2023)

Fig. 1. Comparison of effects of achromatic and non-achromatic transmission on electron beam pulse length(a) Envelope of the electron beam delivered to the beamline symmetry plane, (b) Time difference between the reference electron and electrons with different energy difference and different initial divergence angles in the x direction when delivered to the beamline symmetry plane, (c) Time difference between the reference electron and electrons with different energy difference and different initial divergence angles in the x direction after achromatic transmission, (d) Achromatic transport envelope of electron beam

Fig. 2. Electron beam pulse duration for different energies when the deflection angles are 0.3 rad, 0.6 rad, 0.9 rad, respectively (color online)

Fig. 3. Electron beam pulse duration for different energies when the bending radii are 0.15 m, 0.25 m, 0.35 m, respectively

Fig. 4. Electron beam deviation from achromatic transmission to compress pulse length(a) Sizes and pulse length after electron beam delivery, (b) Distribution of the 25 MeV electron beam at the beamline exit, (c) Transmission envelope of a 25 MeV electron beam
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Table 1. Length of each element along the beam line

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