Gain dynamics of a free-space nitrogen laser pumped by circularly polarized femtosecond laser pulses
文献类型：期刊论文
| 作者 | Yao, Jinping; Xie, Hongqiang; Zeng, Bin; Chu, Wei; Li, Guihua; Ni, Jielei; Zhang, Haisu; Jing, Chenrui; Zhang, Chaojin; Xu, Huailiang |
| 刊名 | opt. express
 |
| 出版日期 | 2014 |
| 卷号 | 22期号:16页码:19005 |
| 关键词 | LIGHT FILAMENTS AIR LASER GENERATION EXCITATION INTENSITY RADIATION GAS |
| 通讯作者 | cheng, y (reprint author), chinese acad sci, shanghai inst opt & fine mech, state key lab high field laser phys, shanghai 201800, peoples r china. |
| 英文摘要 | we experimentally demonstrate ultrafast dynamic of generation of the 337-nm nitrogen laser by injecting an external seed pulse into a femtosecond laser filament pumped by a circularly polarized laser pulse. in the pump-probe scheme, it is revealed that the population inversion between the c-3 pi(u) and b-3 pi(g) states of n-2 for the free-space 337-nm laser is firstly built up on the timescale of several picoseconds, followed by a relatively slow decay on the timescale of tens of picoseconds, depending on the nitrogen gas pressure. by measuring the intensities of 337-nm signal from nitrogen gas mixed with different concentrations of oxygen gas, it is also found that oxygen molecules have a significant quenching effect on the nitrogen laser signal. our experimental observations agree with the picture of electron-impact excitation. (c) 2014 optical society of america |
| 收录类别 | SCI |
| 语种 | 英语 |
| 版本 | 出版稿 |
| 源URL | [http://ir.siom.ac.cn/handle/181231/13626]  |
| 专题 | 上海光学精密机械研究所_强场激光物理国家重点实验室 |
| 作者单位 | 1.[Yao, Jinping 2.Xie, Hongqiang 3.Zeng, Bin 4.Chu, Wei 5.Li, Guihua 6.Ni, Jielei 7.Zhang, Haisu 8.Jing, Chenrui 9.Zhang, Chaojin 10.Cheng, Ya |
| 推荐引用方式 GB/T 7714 | Yao, Jinping,Xie, Hongqiang,Zeng, Bin,et al. Gain dynamics of a free-space nitrogen laser pumped by circularly polarized femtosecond laser pulses[J]. opt. express,2014,22(16):19005. |
| APA | Yao, Jinping.,Xie, Hongqiang.,Zeng, Bin.,Chu, Wei.,Li, Guihua.,...&Xu, Zhizhan.(2014).Gain dynamics of a free-space nitrogen laser pumped by circularly polarized femtosecond laser pulses.opt. express,22(16),19005. |
| MLA | Yao, Jinping,et al."Gain dynamics of a free-space nitrogen laser pumped by circularly polarized femtosecond laser pulses".opt. express 22.16(2014):19005. |
入库方式： OAI收割
来源：上海光学精密机械研究所
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