Influence of ambient gas on the temperature and density of laser produced carbon plasma | Zendy

S. S. Harilal | Zendy; C. V. Bindhu | Zendy; V. P. N. Nampoori | Zendy; C. P. G. Vallabhan | Zendy

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Influence of ambient gas on the temperature and density of laser produced carbon plasma

Author(s) -

S. S. Harilal,

C. V. Bindhu,

V. P. N. Nampoori,

C. P. G. Vallabhan

Publication year - 1998

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.120602

Subject(s) - argon , plasma , helium , carbon fibers , laser ablation , laser , atomic physics , ambient pressure , materials science , atmosphere (unit) , argon gas , compounds of carbon , methane , plasma diagnostics , atmospheric pressure , carbon dioxide , plasma cleaning , chemistry , optics , chemical reaction , nuclear physics , physics , thermodynamics , composite number , composite material , biochemistry , organic chemistry , meteorology

The effect of ambient gas on the dynamics of the plasma generated by laser ablation of a carbon target using 1.06 μm radiation from a Q-switched Nd:YAG laser has been investigated using a spectroscopic technique. The emission characteristics of the carbon plasma produced in argon, helium and air atmospheres are found to depend strongly on the nature and pressure of the surrounding gas. It has been observed that hotter and denser plasmas are formed in an argon atmosphere rather than in helium or air as an ambient.

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