Abstract
Within the frame of electrodynamic and nonlinear Thomson scattering, we utilize MATLAB simulation to study the motion and radiation features of a static electron irradiated by circularly polarized laser pulses. The beam waist of non-tightly focused pulses (NFP) and tightly focused pulses (TFP) are respectively \(30{\lambda }_{0}\) and \(3{\lambda }_{0}\). It is shown that with peak amplitude increasing, the peak radiation azimuth decreases at approximately the same speed regardless of the beam-focusing conditions, whereas the motion intensity has greatly varied rising trends. We also find that the beam-focusing condition only affects the electron’s motion and radiation conditions significantly in intensive laser pulses, where irregular trajectories lead to complex radiated energy distributions in TFP. Furthermore, through investigating the shift of radiation ramifications in circularly polarized laser pulses, we gain novel insight into spatial decoupling process and the dynamic evolving trend of angular radiation.
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Our work is based on Matlab programming which is in strict obedience to the electrodynamic formulas and theories, codes are available from the corresponding author on reasonable request.
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The datasets generated during the current study are available from the corresponding author on reasonable request.
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Acknowledgements
This work has been supported by the National Natural Science Foundation of China under Grant No. 10947170/A05, the Natural Science Fund for colleges and universities in Jiangsu Province under Grant No. 10KJB140006, and Foundation of NJUPT under Grant No. NY2015154 and sponsored by Jiangsu Qing Lan Project and STITP Project under Grant No. SYB2020060.
Funding
This work has been supported by the National Natural Science Foundation of China under Grant No. 10947170/A05, the Natural Science Fund for colleges and universities in Jiangsu Province under Grant No. 10KJB140006, and Foundation of NJUPT under Grant No. NY2015154 and sponsored by Jiangsu Qing Lan Project and STITP Project under Grant No. SYB2020060.
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All authors contributed to the study conception and design. Analysis and the first draft of the manuscript were performed by [YW]. Programming and data selecting according to the contents were performed by [CW]. [KL] and [LL] provided detailed suggestions on revision and [YT] corrected errors which may lead to misunderstanding. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Wang, Y., Wang, C., Li, K. et al. Analysis of spatial radiation and motion features of nonlinear Thomson scattering in circularly polarized laser pulses. Opt Quant Electron 53, 229 (2021). https://doi.org/10.1007/s11082-021-02870-7
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DOI: https://doi.org/10.1007/s11082-021-02870-7