Laser light induced dissipative structures on solid surfaces

Laszlo Nanai

doi:10.1117/12.23725

1 October 1990 Laser light induced dissipative structures on solid surfaces

Laszlo Nanai

Proceedings Volume 1352, 1st Intl School on Laser Surface Microprocessing; (1990) https://doi.org/10.1117/12.23725
Event: International School on Laser Surface Microprocessing, 1989, Tashkent, Uzbekistan

Abstract

The question discussed in this paper are related to the formation of different dissipative structures on the surface of metals (vanadium) and the bulk of semiconductors (vanadium pentoxide). Two dimensional spatial structures of thermal field arised at laser light induced oxidation of metals in both upper and under surfaces are presented. The observed structures are explained in frames of theory of instabilities connected with temperature dependence of surface tension of melted material Benard and Rayleigh like convections due to temperature gradients caused by laser light. 1.

Citation Download Citation

Laszlo Nanai "Laser light induced dissipative structures on solid surfaces", Proc. SPIE 1352, 1st Intl School on Laser Surface Microprocessing, (1 October 1990); https://doi.org/10.1117/12.23725

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