Growth of deuterium clusters in a gas jet and ion energy spectrum of clusters in ultra-short laser field

Large deuterium clusters are generated using a cryogenic pulse valve with a cone nozzle （21 mm long, 4° open angle）. Rayleigh scattering experiment is carried out to obtain the scaling relation between scattering signal SR and backing pressure P0. A method using the Coulomb explosion model is propos...

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Published inChinese physics B Vol. 20; no. 6; pp. 313 - 316
Main Author 刘红杰 谷渝秋 周维民 高宇林 单连强 朱斌 吴玉迟 焦春晔 李芳 曹磊峰 张保汉 郑志坚
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.06.2011
Subjects
Backing
Clusters
Deuterium
Explosions
Lasers
Nozzles
Rayleigh scattering
Valves
气体射流
氘团簇
激光场
生长
离子能谱
超短
锥形喷嘴
集群
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Summary:Large deuterium clusters are generated using a cryogenic pulse valve with a cone nozzle （21 mm long, 4° open angle）. Rayleigh scattering experiment is carried out to obtain the scaling relation between scattering signal SR and backing pressure P0. A method using the Coulomb explosion model is proposed to verify that the clusters continue to grow after their leaving the nozzle. Our experiments suggest a tentatively optimized position for laser cluster interaction.
Bibliography:Liu Hong-Jie, Gu Vu-Qiu, Zhou Wei-Min, Gao Yu-Lin, Shan Lian-Qiang, Zhu Bin, Wu Yu-Chi, Jiao Chun-Ye, Li Fang Cao Lei-Feng, Zhang Bao-Han, and Zheng Zhi-Jian（ Laser Fusion Research Centre, China Academy of Engineering Physics, Mianyang 621900, China b） National Key Laboratory of Plasma Physics, Mianyang 621900, China
deuterium cluster, Rayleigh scattering, Coulomb explosion, ion energy spectrum
11-5639/O4
Large deuterium clusters are generated using a cryogenic pulse valve with a cone nozzle （21 mm long, 4° open angle）. Rayleigh scattering experiment is carried out to obtain the scaling relation between scattering signal SR and backing pressure P0. A method using the Coulomb explosion model is proposed to verify that the clusters continue to grow after their leaving the nozzle. Our experiments suggest a tentatively optimized position for laser cluster interaction.
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/20/6/065203