Filamentation instability of intense laser in partially ionized plasma | Zendy

Zhang Jia-tai | Zendy; Liu Song-Fen | Zendy; Hu Bei-Lai | Zendy

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Filamentation instability of intense laser in partially ionized plasma

Author(s) -

Zhang Jia-tai,

Liu Song-Fen,

Hu Bei-Lai

Publication year - 2003

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.52.1668

Subject(s) - filamentation , plasma , instability , ionization , atomic physics , laser , electron , physics , wavelength , optics , ion , nuclear physics , quantum mechanics , mechanics

The difference between fully ionized and partially ionized plasmas lies in the presence of bound electrons. From this difference the propagation of intense laser pulse and the refraction index in a partially ionized plasma are analyzed. An atomic filamentation instability (AFI) can be significantly enhanced by bound electrons. The AFI in Au plasma-produced 0.35 and 0.53 μm wavelength laser light to irradiate golden target are analyzed and calculated. The results show that the growth rate of the AFI is substantially higher than that of the relativistic filamentation instability.

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