Local field effects in laser ablation of foam graphite

Sergei I. Kudryashov; Alexander A. Karabutov; N. B. Zorov; S. V. Kuznetsov; Yu. Ya. Kuzyakov

doi:10.1117/12.242136

10 June 1996 Local field effects in laser ablation of foam graphite

Sergei I. Kudryashov, Alexander A. Karabutov, N. B. Zorov, S. V. Kuznetsov, Yu. Ya. Kuzyakov

Proceedings Volume 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials; (1996) https://doi.org/10.1117/12.242136
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

Laser ablation process of the polycrystalline and foam graphite samples was studied using optoacoustic spectroscopy. High defect density of the foam graphite allows observe extremely high ablation efficiencies and their nonmonotonous dependence on laser fluence with many peaks. It seems photochemical multiphoton evaporation process of the matter in the form of large surface relief fragments takes place besides thermal one.

Citation Download Citation

Sergei I. Kudryashov, Alexander A. Karabutov, N. B. Zorov, S. V. Kuznetsov, and Yu. Ya. Kuzyakov "Local field effects in laser ablation of foam graphite", Proc. SPIE 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials, (10 June 1996); https://doi.org/10.1117/12.242136

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