28 November 2013 Destruction of monocrystalline silicon with nanosecond pulsed fiber laser accompanied by the oxidation of ablation microparticles
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Proceedings Volume 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013; 90650U (2013) https://doi.org/10.1117/12.2053272
Event: Fundamentals of Laser Assisted Micro- and Nanotechnologies 2013, 2013, St. Petersburg, Russian Federation
Abstract
In this work, we report an observation of process of local destruction monocrystalline silicon with a scanning beam irradiation of pulse ytterbium fiber laser with a wavelength λ= 1062 nm, accompanied by the oxidation of ablation microparticles. It is shown that depending on the power density of irradiation was observed a large scatter size of the microparticles. From a certain average power density is observed beginning oxidation particulate emitted from the surface of the irradiated area. By varying the parameters of the laser beam such as scanning speed, pulse repetition rate, overlap of laser spot, radiation dose can be achieved almost complete oxidation of all formed during the ablation of microparticles.
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V. P. Veiko, A. M. Skvortsov, C. T. Huynh, A. A. Petrov, "Destruction of monocrystalline silicon with nanosecond pulsed fiber laser accompanied by the oxidation of ablation microparticles", Proc. SPIE 9065, Fundamentals of Laser-Assisted Micro- and Nanotechnologies 2013, 90650U (28 November 2013); doi: 10.1117/12.2053272; https://doi.org/10.1117/12.2053272
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