Dongdi Zhao, Yongpeng Zhao, Huaiyu Cui, Bo An, Lei Li, Yunsong Bai. Effect of delay time between pre-pulse and main pulse on single-pass and double-pass amplification of 46.9 nm laser[J]. Chinese Optics Letters, 2023, 21(5): 053401
- Chinese Optics Letters
- Vol. 21, Issue 5, 053401 (2023)
Fig. 1. Laser spatial distributions corresponding to delay times between pre-pulse and main pulse of (a) 10 µs, (b) 60 µs, and (c) 75 µs.
Fig. 2. The laser pulse signals corresponding to different delay times.
Fig. 3. The double-pass amplified laser spots and their intensity distributions.
Fig. 4. The double-pass amplified laser pulse signals corresponding to different delay times.
Fig. 5. The radial distributions of (a) the electron density and (b) the gain coefficient corresponding to different delay times.
Fig. 6. The simulation spot and the intensity distribution in the vertical direction of (a), (b) the single-pass amplified laser and (c), (d) the double-pass amplified laser at 10 µs.
Fig. 7. The simulation spot and the intensity distribution in the vertical direction of (a), (b) the single-pass amplified laser and (c), (d) the double-pass amplified laser at 60 µs.
Fig. 8. The simulation spot and the intensity distribution in the vertical direction of (a), (b) the single-pass amplified laser and (c), (d) the double-pass amplified laser at 75 µs.
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Table 1. The Double-pass Amplification Compared with the Single-pass Amplification Corresponding to Different Delay Times
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