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Ultrahigh-charge electron beams from laser-irradiated solid surface
Ma, Y; Zhao, JR; Li, YF; Li, DZ; Chen, LM; Liu, JX; Dann, SJD; Ma, YY; Yang, XH; Ge, ZY; Sheng, ZM; Zhang, J; Li DZ(李大章)
2018
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
Volume115Issue:27Pages:6980-6985
SubtypeArticle
AbstractCompact acceleration of a tightly collimated relativistic electron beam with high charge from a laser-plasma interaction has many unique applications. However, currently the well-known schemes, including laser wakefield acceleration from gases and vacuum laser acceleration from solids, often produce electron beams either with low charge or with large divergence angles. In this work, we report the generation of highly collimated electron beams with a divergence angle of a few degrees, nonthermal spectra peaked at the megaelectronvolt level, and extremely high charge (similar to 100 nC) via a powerful subpicosecond laser pulse interacting with a solid target in grazing incidence. Particle-in-cell simulations illustrate a direct laser acceleration scenario, in which the self-filamentation is triggered in a large-scale near-criticaldensity plasma and electron bunches are accelerated periodically and collimated by the ultraintense electromagnetic field. The energy density of such electron beams in high-Z materials reaches to similar to 10(12) J/m(3), making it a promising tool to drive warm or even hot dense matter states.
Keywordlaser-plasma interaction direct laser acceleration ultrahigh-charge beam high energy density near-critical-density plasma
DOI10.1073/pnas.1800668115
WOS KeywordWAKEFIELD ACCELERATOR ; PARTICLE-ACCELERATION ; PLASMA INTERACTIONS ; BUBBLE REGIME ; JET FORMATION ; GENERATION ; CHANNELS ; LIGHT ; WAVES
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000437107000059
ADS Bibcode2018PNAS..115.6980M
AXRIV CODE1704
inspireid1692013
Citation statistics
Cited Times:6 [INSPIRE]
Cited Times:19 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286079
Collection加速器中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Ma, Y,Zhao, JR,Li, YF,et al. Ultrahigh-charge electron beams from laser-irradiated solid surface[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2018,115(27):6980-6985.
APA Ma, Y.,Zhao, JR.,Li, YF.,Li, DZ.,Chen, LM.,...&李大章.(2018).Ultrahigh-charge electron beams from laser-irradiated solid surface.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,115(27),6980-6985.
MLA Ma, Y,et al."Ultrahigh-charge electron beams from laser-irradiated solid surface".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115.27(2018):6980-6985.
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