DICP OpenIR
Waveform control in high-order harmonic generation via chirp gating technology
Liu, Hang1; Feng, Li-Qiang1,2; Liu, Hui1
Corresponding AuthorLiu, Hang(attophys_lngy@126.com) ; Feng, Li-Qiang(lqfeng1101@gmail.com)
KeywordHigh-order harmonic generation Single attosecond pulse Multiple-acceleration-recombination Chirped pulses Inhomogeneous effect
Source PublicationOPTICS COMMUNICATIONS
2019-06-15
ISSN0030-4018
DOI10.1016/j.optcom.2019.02.047
Volume441Pages:55-63
Funding ProjectNational Natural Science Foundation of China[11504151]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS SubjectOptics
WOS Research AreaOptics
WOS KeywordATTOSECOND PULSE ; LASER FIELD ; ATOM
AbstractLaser waveform control in high-order harmonic generation (HHG) has been investigated and discussed by using the two-color chirp gating technology. It is found that the multiple-acceleration-recombination process in HHG can be found in a specific 'W' waveform structure. Moreover, by changing the chirp forms as well as laser parameters, the multiple-acceleration-recombination process in the 'W' waveform structure can be controlled, which leads to the remarkable improvements of harmonic cutoff and harmonic yield. Consequently, a water window spectral continuum with a bandwidth of 488 eV and with an intensity enhancement of 10 times can be obtained. Further, by the Fourier transformation of some selected harmonics on this spectral continuum, three single attosecond pulses (SAPs) with the pulse durations of 38 as can be produced. With the introduction of inhomogeneous effect of the laser field, the HHG spectra with a larger harmonic cutoff and a broader spectral continuum can be obtained. Consequently, by the Fourier transformation of some selected harmonics on the spectral continuum, a number of water window SAPs with the pulse durations of 36 as can be obtained.
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS IDWOS:000461940700010
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/165717
Collection中国科学院大连化学物理研究所
Corresponding AuthorLiu, Hang; Feng, Li-Qiang
Affiliation1.Liaoning Univ Technol, Lab Mol React Dynam, Jinzhou 121001, Peoples R China
2.Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hang,Feng, Li-Qiang,Liu, Hui. Waveform control in high-order harmonic generation via chirp gating technology[J]. OPTICS COMMUNICATIONS,2019,441:55-63.
APA Liu, Hang,Feng, Li-Qiang,&Liu, Hui.(2019).Waveform control in high-order harmonic generation via chirp gating technology.OPTICS COMMUNICATIONS,441,55-63.
MLA Liu, Hang,et al."Waveform control in high-order harmonic generation via chirp gating technology".OPTICS COMMUNICATIONS 441(2019):55-63.
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