Ping Zhu, Xinglong Xie, Xiaoping Ouyang, and Jianqiang Zhu. Output temporal contrast simulation of a large aperture high power short pulse laser system[J]. High Power Laser Science and Engineering, 2014, 2(4): 04000e42
- High Power Laser Science and Engineering
- Vol. 2, Issue 4, 04000e42 (2014)
Fig. 1. The simulation algorithm of time and space focusing.
Fig. 2. Temporal contrast degradation by intensity modulation. (a) Intensity modulation for different FFs (0.4, 0.6 and 0.8). (b) Temporal contrast for the different intensity modulations. The dashed line is the ideal situation without modulation.
Fig. 3. Temporal contrast degradation by wavefront deviation. (a) PSDs of wavefront deviations of different magnitudes and spatial frequencies. (b) Temporal contrasts for different wavefront deviations.
Fig. 4. Influence of diameter on temporal contrast degradation. (a) Wavefront deviations for different diameters. (b) PSDs of wavefront deviations for different diameters. (c) Temporal contrasts for different diameters.
Fig. 5. Experimental and simulated intensity modulation, wavefront deviation and temporal contrast degradation. (a) Experimental near-field intensity. (b) Intensity modulation. (c) Experimental dynamic wavefront deviation. (d) Wavefront deviation. (e) PSD of wavefront deviation. (f) Temporal contrast.
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