Chin. Phys. Lett.  2003, Vol. 20 Issue (9): 1492-1495    DOI:
Original Articles |
Time-Resolved Investigation of Ionization of Clusters Irradiated by a Strong Laser
LIU Jian-Sheng1,2;LI Ru-Xin1;WANG Cheng1;LI Shao-Hui1;WANG Xiang-Xin1;ZHU Pin-Pin1;ZENG Zhi-Nan1;NI Guo-Quan1;XU Zhi-Zhan1;LIU Jing-Ru2
1Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 2Northwest Institute of Nuclear Technology, Xi’an 710024
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LIU Jian-Sheng, LI Ru-Xin, WANG Cheng et al  2003 Chin. Phys. Lett. 20 1492-1495
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Abstract Ionization dynamics of clusters irradiated by chirped femtosecond lasers is investigated by using a linearly chirped pulse spectral interferometry with a time resolution of less than 100 fs. The production of an average charged ~Xe18+ and ~Kr9+ ions indicates a strong energy coupling between laser and cluster. Ultrafast depletion of the probing laser is observed to be strictly coincident with the ionization front as seen in other experiments. Moreover, a two-step ionization process for Xe and Kr clusters irradiated by high-intensity lasers has been observed, which implies the role of resonance enhancement during the cluster explosion.
Keywords: 36.40.Vz      36.40.Gk      52.50.Jm      36.40.-c     
Published: 01 September 2003
PACS:  36.40.Vz (Optical properties of clusters)  
  36.40.Gk (Plasma and collective effects in clusters)  
  52.50.Jm (Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))  
  36.40.-c (Atomic and molecular clusters)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I9/01492
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LIU Jian-Sheng
LI Ru-Xin
WANG Cheng
LI Shao-Hui
WANG Xiang-Xin
ZHU Pin-Pin
ZENG Zhi-Nan
NI Guo-Quan
XU Zhi-Zhan
LIU Jing-Ru
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