In the framework of laser-matter interaction and nonlinear Thomson scattering, we investigate the three-dimensional (3D) motion trajectories and spatial radiation characteristics of the colliding motion electrons with tightly focused circularly polarized Gaussian pulses at different intensities. Combined with the 3D spatial images and the analysis of specific two-dimensional unfolded images, we discover that the amplitude of the motion trajectory increases steadily with increasing laser intensity, the peak radiation power increases rapidly, and the peak radiation azimuth decreases slowly. In addition, by studying the electron motion under the high-intensity () laser field, we find that the electron motion is retrograde twice when interacting with pulsed laser once. Lastly, by extracting the direction and energy of spatial radiation, we indicate that the existence of a specific laser intensity can make the peak radiation azimuth and which intienity provides the maximum conversion rate of laser energy to the peak power of radiation.

在激光-物质相互作用和非线性汤姆森散射的框架内，我们研究了具有不同强度的紧密聚焦的圆极化高斯脉冲的碰撞运动电子的三维 (3D) 运动轨迹和空间辐射特性。结合3D空间图像和特定二维展开图像的分析，我们发现运动轨迹的幅度随着激光强度的增加而稳定增加，峰值辐射功率迅速增加，峰值辐射方位角缓慢减小。此外，通过研究高强度下的电子运动（) 激光场，我们发现当与脉冲激光相互作用一次时，电子运动会逆行两次。最后，通过提取空间辐射的方向和能量，我们表明特定激光强度的存在可以使峰值辐射方位角和哪个强度提供激光能量到辐射峰值功率的最大转换率。