Chin. Phys. Lett.  2003, Vol. 20 Issue (7): 1040-1042    DOI:
Original Articles |
Polarization-Dependence of Coulomb Explosion of CO Irradiated with an Intense Femtosecond Laser Pulse
CHEN Jian-Xin;MA Ri;REN Hai-Zhen;LI Xia;YANG Hong;GONG Qi-Huang
State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871
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CHEN Jian-Xin, MA Ri, REN Hai-Zhen et al  2003 Chin. Phys. Lett. 20 1040-1042
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Abstract Laser-induced Coulomb explosion of CO is studied experimentally using differently polarized femtosecond laser pulses of 2 x 1015W/cm2 intensity at λ = 800 nm. The channels of molecular Coulomb explosion are observed to be independent of the laser polarizations. The critical distance R is deduced to be larger for the circularly polarized light in comparison with the linearly polarized light. The initial emissions of C+, C2+, O+, and O2+ ions are anisotropic for linear polarization and isotropic for circular polarization. The suppression of ionization occurs for the elliptically and circularly polarized lasers.


Keywords: 33.80.Rv      42.50.Hz      33.80.Wz     
Published: 01 July 2003
PACS:  33.80.Rv (Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))  
  42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)  
  33.80.Wz (Other multiphoton processes)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I7/01040
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CHEN Jian-Xin
MA Ri
REN Hai-Zhen
LI Xia
YANG Hong
GONG Qi-Huang
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