TRAVAILLÉ, Grégoire; MENDYS, Agata; DZIERZEGA, Krzysztof; PELLERIN, Stéphane; POKRZYWKA, Bartlomej; THOUIN, Emmanuelle; BOUSQUET, Bruno; CANIONI, Lionel

doi:10.1002/ctpp.201000060

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TRAVAILLÉ, Grégoire
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

MENDYS, Agata
Marian Smoluchowski Institute of Physics

DZIERZEGA, Krzysztof
Marian Smoluchowski Institute of Physics

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Contributions to Plasma Physics. 2011-03-01, vol. 51, n° 2-3, p. 171-175

Wiley-VCH Verlag

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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 7.4×1017 cm−3 to 1.0×1017 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.< Réduire

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Laser induced plasma

Thomson scattering

plasma heating

inverse bremsstrahlung

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Study of heating effects during Thomson scattering in laser induced plasma in air

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