Study of Heating Effects During Thomson Scattering in Laser Induced Plasma in Air | Zendy

Travaillé G. | Zendy; Mendys A. | Zendy; Dzierzega K. | Zendy; Pellerin S. | Zendy; Pokrzywka B. | Zendy; Thouin E. | Zendy; Bousquet B. | Zendy; Canioni L. | Zendy

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Study of Heating Effects During Thomson Scattering in Laser Induced Plasma in Air

Author(s) -

Travaillé G.,

Mendys A.,

Dzierzega K.,

Pellerin S.,

Pokrzywka B.,

Thouin E.,

Bousquet B.,

Canioni L.

Publication year - 2011

Publication title -

contributions to plasma physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.531

H-Index - 47

eISSN - 1521-3986

pISSN - 0863-1042

DOI - 10.1002/ctpp.201000060

Subject(s) - thomson scattering , plasma , electron temperature , materials science , atomic physics , scattering , laser , electron density , plasma diagnostics , plume , optics , physics , nuclear physics , thermodynamics

The laser induced plasma in air produced by 6 ns, 532 nm Nd:YAG pulses with 25 mJ energy was studied using the Thomson scattering method and plasma imaging techniques. Thomson scattering spectra were registered at delay times ranging from 150 ns to 1 µs after the breakdown pulses. The electron density and temperature, as determined in the core of the plasma plume, were found to decrease from 7.4×10 17 cm –3 to 1.0×10 17 cm –3 and from 101 000 K to 22 700 K, respectively. These electron temperatures were found to result partially from plasma heating. This effect has been observed between the beginning and the end of the probe (Thomson) pulse (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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