Yadong Xia, Feng Zhang, Hongbo Cai, Weimin Zhou, Chao Tian, Bo Zhang, Dongxiao Liu, Tao Yi, Yilin Xu, Feng Wang, Tingshuai Li, Shaoping Zhu. Analysis of electromagnetic pulses generation from laser coupling with polymer targets: Effect of metal content in target[J]. Matter and Radiation at Extremes, 2020, 5(1): 017401
- Matter and Radiation at Extremes
- Vol. 5, Issue 1, 017401 (2020)
Fig. 1. Schematic of experimental arrangement.
Fig. 2. (a) Time-domain waveforms of EMPs measured by the electric field discone antenna at position a for targets with different Ti doping contents. (b) Maximum, minimum, and average (dashed line) values of the EMP amplitude for targets with different Ti doping contents.
Fig. 3. (a) Power density spectra (the main portion from 0 Hz to 2.5 GHz) of EMPs obtained by FFT and squaring of the time-domain signals. (b) Integrated power density spectra of EMPs from 0 Hz to 6.25 GHz.
Fig. 4. (a) Power density spectra of EMPs measured by the horn antenna outside the target chamber (the main portion from 0 Hz to 3 GHz). (b) Integrated power density spectra of EMPs from 0 Hz to 6.25 GHz.
Fig. 5. EMP signals measured by a magnetic field B-dot antenna at positions a (70°) and b (25°) for the shots with 3% Ti doped targets.
Fig. 6. (a) Original hot electron energy spectra for a 7% doped target at 0° and 20°, where 0° is the laser incidence direction and the black and red lines are for 0° and 20°, respectively. (b) Integrated spectra from (a).
Fig. 7. Target–holder–ground dipole radiation model.11
Fig. 8. EMP signal measured by a magnetic field B-dot antenna (at position a) for a 7% Ti doped target.
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20