DICP OpenIR
High-intensity isolated attosecond X-ray pulse generation by using low-intensity ultraviolet-mid-infrared laser beam
Feng, Liqiang1,2; Li, Yi1,3
Corresponding AuthorFeng, Liqiang(lqfeng1101@gmail.com)
Source PublicationEUROPEAN PHYSICAL JOURNAL D
2018-09-27
ISSN1434-6060
DOI10.1140/epjd/e2018-90268-6
Volume72Issue:9Pages:9
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 ; Physics, Atomic, Molecular & Chemical
WOS Research AreaOptics ; Physics
WOS KeywordHIGH-HARMONIC INTERFEROMETRY ; FIELD ENHANCEMENT ; MOLECULES ; DYNAMICS ; UNIPOLAR ; DRIVEN ; ATOM
AbstractAn efficient approach to obtain the high-intensity isolated attosecond X-ray pulse has been proposed and studied by using the low-intensity ultraviolet-mid-infrared (UV-MIR) laser beam. It is found that with the superposition of the UV-MIR beam, not only the harmonic efficiency can be enhanced, but also the harmonic cutoff can be extended to the X-ray region. In detail, the results can be separated into two parts. Firstly, when the fundamental field is chosen to be the linearly polarization MIR field, the enhancement of the harmonic efficiency is sensitive to the pulse duration and the delay time of the UV pulse. Moreover, the enhancement of the harmonic spectrum is coming from the multiple harmonic emission peaks (HEPs). Secondly, when the fundamental field is chosen to be the polarization gating two circularly polarization MIR fields, the enhancement of the harmonic efficiency is independent on the pulse duration and the delay time of the UV pulse, which is much better for experimental realization. Moreover, the enhancement of the harmonic spectrum is nearly coming from the single HEP. Further, with the introduction of the unipolar pulse, the harmonic cutoff can be further extended and some sub-40 as single X-ray pulses with the intensity enhancement of 450 dB 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:000446266200003
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/166833
Collection中国科学院大连化学物理研究所
Corresponding AuthorFeng, Liqiang
Affiliation1.Liaoning Univ Technol, Lab Modern Phys, Jinzhou 121000, Peoples R China
2.Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
3.Vienna Univ Technol, Photon Inst, A-1040 Vienna, Austria
Recommended Citation
GB/T 7714
Feng, Liqiang,Li, Yi. High-intensity isolated attosecond X-ray pulse generation by using low-intensity ultraviolet-mid-infrared laser beam[J]. EUROPEAN PHYSICAL JOURNAL D,2018,72(9):9.
APA Feng, Liqiang,&Li, Yi.(2018).High-intensity isolated attosecond X-ray pulse generation by using low-intensity ultraviolet-mid-infrared laser beam.EUROPEAN PHYSICAL JOURNAL D,72(9),9.
MLA Feng, Liqiang,et al."High-intensity isolated attosecond X-ray pulse generation by using low-intensity ultraviolet-mid-infrared laser beam".EUROPEAN PHYSICAL JOURNAL D 72.9(2018):9.
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