Frequency-dependent absorbance of broadband terahertz wave in dense plasma sheet
Peng, Y; Qi, BB; Jiang, XK; Zhu, Z; Zhao, HW; Zhu, YM
2018
发表期刊APPLIED PHYSICS B-LASERS AND OPTICS
ISSN0946-2171
卷号124期号:5页码:-
文章类型期刊论文
摘要Due to the ability of accurate fingerprinting and low-ionization for different substances, terahertz (THz) technology has a lot of crucial applications in material analysis, information transfer, and safety inspection, etc. However, the spectral characteristic of atmospheric gas and ionized gas has not been widely investigated, which is important for the remote sensing application. Here, in this paper, we investigate the absorbance of broadband terahertz wave in dense plasma sheet generated by femtosecond laser pulses. It was found that as the terahertz wave transmits through the plasma sheet formed, respectively, in carbon dioxide, oxygen, argon and nitrogen, spectrum presents completely different and frequency-dependent absorbance. The reasons for these absorption peaks are related to the molecular polarity, electric charge, intermolecular and intramolecular interactions, and collisional absorption of gas molecules. These results have significant implications for the remote sensing of gas medium.
关键词Laser-pulses Transparent Media Molecules Gases Air Co2
DOI10.1007/s00340-018-6948-3
收录类别SCI
语种英语
WOS记录号WOS:000431906400009
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29026
专题中科院上海应用物理研究所2011-2018年
作者单位1.Peng, Y
2.Qi, BB
3.Jiang, XK
4.Zhu, Z
5.Zhao, HW
6.Zhu, YM
推荐引用方式
GB/T 7714
Peng, Y,Qi, BB,Jiang, XK,et al. Frequency-dependent absorbance of broadband terahertz wave in dense plasma sheet[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2018,124(5):-.
APA Peng, Y,Qi, BB,Jiang, XK,Zhu, Z,Zhao, HW,&Zhu, YM.(2018).Frequency-dependent absorbance of broadband terahertz wave in dense plasma sheet.APPLIED PHYSICS B-LASERS AND OPTICS,124(5),-.
MLA Peng, Y,et al."Frequency-dependent absorbance of broadband terahertz wave in dense plasma sheet".APPLIED PHYSICS B-LASERS AND OPTICS 124.5(2018):-.
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