光学
多光谱图像
材料科学
激光器
放大器
再生放大
光放大器
光电子学
物理
遥感
地质学
CMOS芯片
作者
You Cong,Youyou Hu,G. Q. Lin,Wenjing Li,Xiaojun Huang,B. Li,Jiang Zhao,Bo Li
出处
期刊:Optics Express
[The Optical Society]
日期:2024-09-25
卷期号:32 (21): 36600-36600
摘要
In this paper, we optimize the amplification efficiency of a nanosecond pulse CO 2 laser in a fast flow amplifier using dual-band and multispectral lines techniques. Utilizing a six-temperature model and a random rotational relaxation model, we simulate the time-domain amplification process of dual-band and multispectral lines short-pulse seeds in a fast flow CO 2 laser amplifier, analyzing the effects of input pulse fluence, pulse width, and spectral line composition on amplification efficiency. Compared to single-line 10P(20) amplification, the extraction efficiency of 10.6-µm and 9.6-µm dual-band two-line 15-ns pulses is improved by approximately 70%, surpassing that of 10.6-µm single-band four-line amplification. This study is of great significance for the efficient amplification of short-pulse CO 2 lasers and the generation of extreme ultraviolet light from laser produced plasma.
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