Fig. 1. Harmonic conversion efficiencies at different laser intensities

Fig. 2. Attosecond pulse energy fluence (atto yield) at different laser intensities

Fig. 3. Harmonic conversion efficiencies at different laser incidence angles

Fig. 4. Attosecond pulse energy fluence at different laser incidence angles

Fig. 5. dependent XUV energy fluencies and attosecond pulse isolation degrees from different initial laser plasma conditions 不同相互作用条件下 依赖的极紫外光能量产额与孤立阿秒脉冲的分离度

Fig. 6. Laser harmonic spectra and attosecond pulse temporal structures from different initial laser plasma conditions