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Kvantovaya Elektronika, 2012, Volume 42, Number 2, Pages 170–174 (Mi qe14709)  

Laser technologies

Influence of an electric field on near-surface processes in laser processing of metals

S. V. Vasil'ev, A. Yu. Ivanov

Yanka Kupala State University of Grodno

Abstract: It is shown that by varying the external electric field with different polarity from 0 to 106 V m-1 in the course of laser processing with the mean radiation flux density -106 W cm-2 the change in the evolution features of the plasma torch at the surface of some metals (Cu, Al, Sn, Pb) at early stages is quantitative rather than qualitative. At the same time the characteristic size of the target material droplets, carried out from the irradiated zone, becomes essentially (by several times) smaller as the amplitude of the external electric field strength grows, independently of its polarity.

Keywords: laser radiation, electric field, plasma formation, gravitycapillary waves.

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English version:
Quantum Electronics, 2012, 42:2, 170–174

Bibliographic databases:

PACS: 42.62.Cf, 52.38.Mf, 83.60.Np
Received: 22.08.2011
Revised: 15.11.2011

Citation: S. V. Vasil'ev, A. Yu. Ivanov, “Influence of an electric field on near-surface processes in laser processing of metals”, Kvantovaya Elektronika, 42:2 (2012), 170–174 [Quantum Electron., 42:2 (2012), 170–174]

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  • http://mi.mathnet.ru/eng/qe/v42/i2/p170

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  • Квантовая электроника Quantum Electronics
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