Free-space evolution of monochromatic mixed screw-edge wavefront dislocations

Mikhail V. Vasnetsov; I. V. Basistiy; Marat S. Soskin

doi:10.1117/12.317711

3 August 1998 Free-space evolution of monochromatic mixed screw-edge wavefront dislocations

Mikhail V. Vasnetsov, I. V. Basistiy, Marat S. Soskin

Proceedings Volume 3487, International Conference on Singular Optics; (1998) https://doi.org/10.1117/12.317711
Event: International Conference on Singular Optics, 1997, Partenit, Crimea, Ukraine

Abstract

We show how to synthesize a wave with monochromatic mixed screw-edge dislocation. We obtained theoretically and experimentally that a mixed screw-edge dislocation embedded in a monochromatic Gaussian beam does not propagate as a self- similar stable object, but transforms into several pairs of opposite-sign optical vortices in near field, and produces single-charge optical vortices in far field.

Citation Download Citation

Mikhail V. Vasnetsov, I. V. Basistiy, and Marat S. Soskin "Free-space evolution of monochromatic mixed screw-edge wavefront dislocations", Proc. SPIE 3487, International Conference on Singular Optics, (3 August 1998); https://doi.org/10.1117/12.317711

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