Semiconductor Physics, Quantum Electronics & Optoelectronics. 2014. V. 17, N 2. P. 165-167.
https://doi.org/10.15407/spqeo17.02.165

                                                                 

Manifestation of optical vortices on the surface of solids under irradiation with femtosecond laser pulses
N.G. Zubrilin, I.M. Dmitruk

Institute of Physics, NAS of Ukraine
46, prospect Nauky, 03680 Kyiv, Ukraine,
Phone: 38 (044)525-16-70, e-mail: zubrilin@iop.kiev.ua

Abstract. Quasi-periodic microstructures containing dislocations are formed on the surfaces of metals and semiconductors under irradiation with high-power femtosecond laser pulses. Interpretation of microstructures as a result of interference of the incident plane wave and surface waves leads to the logical conclusion about the relationship of dislocations in the interference fringes with optical vortices in surface wave.

Keywords: laser processing, surface wave, optical vortex.

Manuscript received 21.01.14; revised version received 23.04.14; accepted for publication 12.06.14; published online 30.06.14.

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