Auto-oscillating ODMV plasma upon 500-W cw CO2 laser radiation exposure and influence on metal surface treatment

Andrey Valentinov Levin; Alexandre E. Zaikin; Alexei L. Petrov

doi:10.1117/12.237719

8 April 1996 Auto-oscillating ODMV plasma upon 500-W cw CO₂ laser radiation exposure and influence on metal surface treatment

Andrey Valentinov Levin, Alexandre E. Zaikin, Alexei L. Petrov

Author Affiliations +

Proceedings Volume 2703, Lasers as Tools for Manufacturing of Durable Goods and Microelectronics; (1996) https://doi.org/10.1117/12.237719
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Auto oscillating surface optical-discharge plasma was formed in a metal vapor under normal conditions by steady-state irradiation with a cw CO₂ laser delivering radiation of moderate (2 - 4.5 MW/cm²) intensity. A strong screening of the metal surface, which caused even completely stop evaporation of the metal, was observed. The auto oscillations were also the reason of vibrational process in the metal pool. Influence of the phenomena on metal surface treatment was discussed.

Citation Download Citation

Andrey Valentinov Levin, Alexandre E. Zaikin, and Alexei L. Petrov "Auto-oscillating ODMV plasma upon 500-W cw CO₂ laser radiation exposure and influence on metal surface treatment", Proc. SPIE 2703, Lasers as Tools for Manufacturing of Durable Goods and Microelectronics, (8 April 1996); https://doi.org/10.1117/12.237719

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