High-Harmonic and Terahertz Spectroscopy (HATS): Methods and Applications

被引：5

作者：

Huang, Yindong ^{[1
,2
]}

Chang, Chao ^{[2
]}

Yuan, Jianmin ^{[1
,3
]}

Zhao, Zengxiu ^{[1
]}

机构：

[1] Natl Univ Def Technol, Dept Phys, Changsha 410073, Hunan, Peoples R China

[2] Natl Innovat Inst Def Technol, AMS, Beijing 100071, Peoples R China

[3] China Acad Engn Phys, Grad Sch, Beijing 100193, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 05期

基金：

中国国家自然科学基金;

关键词：

ultrafast intense laser; atoms and molecules; high harmonic generation; terahertz wave; electron dynamics; TUNNELING IONIZATION; PULSE GENERATION; COHERENT CONTROL; LASER FIELDS; PHASE; PHOTOIONIZATION; EMISSION; DYNAMICS; REGIME; THZ;

D O I：

10.3390/app9050853

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrons driven from atom or molecule by intense dual-color laser fields can coherently radiate high harmonics from extreme ultraviolet to soft X-ray, as well as an intense terahertz (THz) wave from millimeter to sub-millimeter wavelength. The joint measurement of high-harmonic and terahertz spectroscopy (HATS) was established and further developed as a unique tool for monitoring electron dynamics of argon from picoseconds to attoseconds and for studying the molecular structures of nitrogen. More insights on the rescattering process could be gained by correlating the fast and slow electron motions via observing and manipulating the HATS from atoms and molecules. We also propose the potential investigations of HATS of polar molecules, and solid and liquid sources.

引用

页数：23

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