Formation of large-scale relief on a target surface under multiple-pulsed action of laser radiation

Alexander B. Brailovsky; Sergey V. Gaponov; Illarion A. Dorofeev; V. I. Lutschin; V. E. Semenov

doi:10.1117/12.48138

1 December 1991 Formation of large-scale relief on a target surface under multiple-pulsed action of laser radiation

Alexander B. Brailovsky, Sergey V. Gaponov, Illarion A. Dorofeev, V. I. Lutschin, V. E. Semenov

Proceedings Volume 1440, Optical Radiation Interaction with Matter; (1991) https://doi.org/10.1117/12.48138
Event: Optical Radiation Interaction with Matter, 1990, Leningrad, Russian Federation

Abstract

The effect of the formation of large-scale structures on a target surface is experimentally and theoretically studied. The conditions of structures growth as a function of the background gas pressure, laser radiation intensity, and its angle of incidence are defined. A mechanism of structure generation associated with the instability of capillary waves in the field of the laser torch pressure is proposed. A dispersion equation describing instability is obtained, whose analysis gives noncontradictory explanation of the experimental results.

Citation Download Citation

Alexander B. Brailovsky, Sergey V. Gaponov, Illarion A. Dorofeev, V. I. Lutschin, and V. E. Semenov "Formation of large-scale relief on a target surface under multiple-pulsed action of laser radiation", Proc. SPIE 1440, Optical Radiation Interaction with Matter, (1 December 1991); https://doi.org/10.1117/12.48138

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