DICP OpenIR
Cluster-assisted generation of multi-charged ions in nanosecond laser ionization of pulsed hydrogen sulfide beam at 1064 and 532 nm
Niu Dong-Mei; Li Hai-Yang; Luo Xiao-Lin; Liang Feng; Cheng Shuang; Li An-Lin; Li HY(李海洋); Li HY(李海洋)
KeywordCluster Multi-charged Ion Inverse Bremsstrahlung Absorption Electron Impact Ionization
Source PublicationCHINESE PHYSICS
2006-07-01
Volume15Issue:7Pages:1511-1516
Indexed BySCI
SubtypeArticle
Department1
Funding Project102
Contribution Rank1;1
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectPhysics, Multidisciplinary
WOS Research AreaPhysics
WOS KeywordMULTIELECTRON DISSOCIATIVE IONIZATION ; COULOMB EXPLOSION ; WAVELENGTH DEPENDENCE ; MULTIPLE IONIZATION ; ELECTRON ; DYNAMICS ; BENZENE ; FIELD
AbstractThe multi-charged sulfur ions of Sq+ (q = 6) have been generated when hydrogen sulfide cluster beams are irradiated by a nanosecond laser of 1064 and 532nm with an intensity of 10(10) similar to 10(12) W(.)cm(-2). S6+ is the dominant multi-charged species at 1064 nm, while S4+, S3+ and S2+ ions are the main multi-charged species at 532 nm. A three-step model (i.e., multiphoton ionization triggering, inverse bremsstrahlung heating, electron collision ionizing) is proposed to explain the generation of these multi-charged ions at the laser intensity stated above. The high ionization level of the clusters and the increasing charge state of the ion products with increasing laser wavelength are supposed mainly due to the rate-limiting step, i.e., electron heating by absorption energy from the laser field via inverse bremsstrahlung, which is proportional to lambda(2), lambda being the laser wavelength.
Language英语
URL查看原文
WOS IDWOS:000239006600022
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/98227
Collection中国科学院大连化学物理研究所
Corresponding AuthorLi HY(李海洋); Li HY(李海洋)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
Recommended Citation
GB/T 7714
Niu Dong-Mei,Li Hai-Yang,Luo Xiao-Lin,et al. Cluster-assisted generation of multi-charged ions in nanosecond laser ionization of pulsed hydrogen sulfide beam at 1064 and 532 nm[J]. CHINESE PHYSICS,2006,15(7):1511-1516.
APA Niu Dong-Mei.,Li Hai-Yang.,Luo Xiao-Lin.,Liang Feng.,Cheng Shuang.,...&李海洋.(2006).Cluster-assisted generation of multi-charged ions in nanosecond laser ionization of pulsed hydrogen sulfide beam at 1064 and 532 nm.CHINESE PHYSICS,15(7),1511-1516.
MLA Niu Dong-Mei,et al."Cluster-assisted generation of multi-charged ions in nanosecond laser ionization of pulsed hydrogen sulfide beam at 1064 and 532 nm".CHINESE PHYSICS 15.7(2006):1511-1516.
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