Fraunhofer diffraction of a Laguerre-Gaussian laser beam by fork-shaped grating

Details Fraunhofer diffraction of a Laguerre-Gaussian laser beam by fork-shaped grating Fraunhofer diffraction of a Laguerre-Gaussian laser beam by fork-shaped grating

2010-11-16

arxiv.org/abs/1011.3780v1

Physics

Optics

13 pages, submitted for publishing

Scientific paper

In this article we present a theoretical study for Fraunhofer diffraction of a Laguerre-Gaussian laser beam with zeroth radial mode number and azimuthal mode number l by diffractive grating with embedded fork-shaped dislocations of integer order p. Analytical expressions describing the diffracted wave field amplitude and intensity distributions in the Fourier plane are deduced and analyzed. They are also followed by the vortex radii expressions.

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