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Fraunhofer diffraction of a Laguerre-Gaussian laser beam by fork-shaped grating (1011.3780v1)
Published 16 Nov 2010 in physics.optics
Abstract: 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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