Cluster-assisted multiple ionization of CS2 by intense nanosecond laser beam | Zendy

Xiao Xue | Zendy; Haiyang Li | Zendy; Xiaolin Luo | Zendy; Dongmei Niu | Zendy; Lihua Wen | Zendy; Wang Bin | Zendy; Liang Feng | Zendy; Keyong Hou | Zendy; Nazhen Zhang | Zendy

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Cluster-assisted multiple ionization of CS2 by intense nanosecond laser beam

Author(s) -

Xiao Xue,

Haiyang Li,

Xiaolin Luo,

Dongmei Niu,

Lihua Wen,

Wang Bin,

Liang Feng,

Keyong Hou,

Nazhen Zhang

Publication year - 2005

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.54.5098

Subject(s) - photoionization , ionization , atomic physics , laser , nanosecond , mass spectrometry , helium , beam (structure) , ion , cluster (spacecraft) , materials science , physics , optics , programming language , quantum mechanics , computer science

Photoionization of CS2 clusters seeded in helium is studied by time-of-flight mass spectrometry using a 25 ns, 532 nm Nd: YAG laser beam of intensity about 8×1010 W/cm2. Multiply charged ions of C2+, S2+ of hundreds of eV have been observed when the laser beam irradiates the most dense portion of the pulsed molecular beam. An electron re-scattering and re-colliding ionization model is proposed to explain the appearance of the multiply charged clusters under such low laser intensity.

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