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Received: Feb. 19, 2020
Accepted: Apr. 1, 2020
Posted: Sep. 1, 2020
Published Online: Sep. 16, 2020
The Author Email: Zhang Yanli (zhangyl@siom.ac.cn), Zhu Jianqiang (jqzhu@mail.shcnc.ac.cn)
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Xianghe Guan, Yanli Zhang, Junyong Zhang, Jianqiang Zhu. Broadband Output Characteristics of Nd∶Glass Multi-Pass Amplification System[J]. Chinese Journal of Lasers, 2020, 47(9): 0901005
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laser devices and laser physics
Table 1. Effect of input pulse energy on amplification system
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Table 1. Effect of input pulse energy on amplification system
Input energy /J Input width /ns Input spectral width /nm Output energy /J Output width /ns Output spectral width /nm B-integral Compressed pulse width /ns 10-8 SNR width /ps 0.4 5 10 2384.6 1.912 3.826 0.6971 0.402 10.86 0.6 5 10 3346.0 1.933 3.869 0.9942 0.412 11.10 0.8 5 10 4196.4 1.951 3.904 1.2649 0.426 11.32 1.0 5 10 4956.7 1.966 3.934 1.5133 0.444 11.52
Table 2. Effect of input pulse spectral width on amplification system
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Table 2. Effect of input pulse spectral width on amplification system
Input energy /J Input width /ns Input spectral width /nm Output energy /J Output width /ns Output spectral width /nm B-integral Compressed pulse width /ns 10-8 SNR width /ps 0.8 5 4 6487.2 3.761 3.009 1.1438 0.752 11.99 0.8 5 6 5586.9 3.026 3.633 1.1847 0.564 11.57 0.8 5 8 4814.5 2.403 3.609 1.2276 0.477 11.39 0.8 5 10 4196.4 1.951 3.904 1.2649 0.426 11.32
Table 3. Effect of input pulse width on amplification system
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Table 3. Effect of input pulse width on amplification system
Input energy /J Input width /ns Input spectral width /nm Output energy /J Output width /ns Output spectral width /nm B-integral Compressed pulse width /ns 10-8 SNR width /ps 0.8 4.0 10 4196.8 1.561 3.905 1.5812 0.452 11.57 0.8 4.5 10 4196.6 1.756 3.905 1.4055 0.436 11.42 0.8 5.0 10 4196.4 1.951 3.904 1.2649 0.426 11.32 0.8 5.5 10 4196.3 2.146 3.904 1.1499 0.419 11.23 0.8 6.0 10 4196.3 2.341 3.904 1.0540 0.414 11.18
Table 4. Inverting input pulses and predicting output pulses
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Table 4. Inverting input pulses and predicting output pulses
Ideal pulse energy /J Inversion times Inversion pulse energy /J Inversion pulse width /ns Inversion pulse spectrum width /nm B-integral Predicted pulse energy /J Predicted pulse width /ps Predicted pulse spectral width /nm Relative power deviation /% 2000 5 0.2993 4.017 8.034 0.5950 2000.0 1.900 3.801 0.0021 3000 6 0.4814 3.916 7.831 0.9125 3000.1 1.900 3.801 0.0023 4000 6 0.6901 3.786 7.570 1.2446 4000.1 1.900 3.802 0.0017
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