Mechanical properties of light waves with phase singularity

Alexander Ya. Bekshaev

doi:10.1117/12.370396

18 November 1999 Mechanical properties of light waves with phase singularity

Alexander Ya. Bekshaev

Proceedings Volume 3904, Fourth International Conference on Correlation Optics; (1999) https://doi.org/10.1117/12.370396
Event: International Conference on Correlation Optics, 1999, Chernivsti, Ukraine

Abstract

General analysis of energy transport and momentum density of a paraxial light beam is presented. Usually these exist transverse components of which the tangential one corresponds to energy circulation around the beam axis. This circulation produces the mechanical angular momentum of the beam that exists independently on polarization state of radiation. In particular, non-zero angular momentum is typical for the beam with wave front dislocation; e.g., angular momentum of a Laguerre-Gaussian beam with axial symmetry and zero magnitude at the axis beam has the same value that a plane circularly polarized wave of equal energy holds.

Citation Download Citation

Alexander Ya. Bekshaev "Mechanical properties of light waves with phase singularity", Proc. SPIE 3904, Fourth International Conference on Correlation Optics, (18 November 1999); https://doi.org/10.1117/12.370396

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