Fig. 1. Diagram of lens array and the beam smoothing scheme.阵列透镜及束匀滑装置示意图

Fig. 2. Intensity distribution of target spot after lens array smoothing.阵列透镜匀滑靶面光强分布

Fig. 3. (a) and (b) Are the adjacent experimental results of state equation, and the curves in (c) are the time distributions of back of the target.(a), (b)相邻发次状态方程的实验结果; (c)曲线为对应突出靶后界面的时间分布曲线

Fig. 4. The nonuniformity and difference of the focal spot distributions caused by wavefront distortion. The upper row is the ideal distribution of the wavefront phase and the wavefront distortion, and the lower row is the focal spot intensity distribution, respectively.波前畸变造成的焦斑分布不均匀性及差异性 上排为波前相位理想分布及波前畸变, 下排为对应的焦斑强度分布

Fig. 5. Comparison of the target intensity distribution corresponding to the different wavefronts after filtering.滤波后不同波前误差对应靶面强度分布的对比

Fig. 6. Relationship of the statistical characteristics of target intensity distributions and that of the wavefront phase distortions, with only the lens array used for smoothing.仅采用阵列透镜匀滑时, 焦斑光强分布与波前相位畸变统计特性之间的关系

Fig. 7. The relationship of target spot nonuniformity versus smoothing time: theory and simulation results.焦斑不均匀度随匀滑时间的变化关系的理论与模拟结果对比

Fig. 8. The target spots smoothed by diffraction-weakened LA and ISI with different wavefront distortion.不同波前误差, 消衍射阵列透镜联合ISI束匀滑方案焦斑光强分布对比

Fig. 9. Relationship of the statistical characteristics of target intensity distributions and that of the wavefront phase distortions, with diffraction-weakened LA and ISI used for smoothing.消衍射阵列透镜联合ISI束匀滑后, 焦斑光强分布与波前相位畸变统计特性之间的关系

Table 1. The nonuniformity of target at different smoothing time with different wavefront distortion.