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Diffraction Properties of Four Kinds of Light Beams Through Circular Aperture

Lin Mei

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Abstract

In order to further study the diffraction properties of a Bessel beam and Bessel-Gaussian beam,the scalar diffraction theory is employed in this paper to calculate the axial and transverse intensity distributions of the plane wave,Gaussian beam,Bessel and Bessel-Gaussian beam,respectively,when they propagate through a circular aperture.The properties of diffractive propagation of the Bessel and Bessel-Gaussian beams are summarized by comparing the diffractive field distributions of the well known plane wave and Gaussian beam.

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What this paper is about

In order to further study the diffraction properties of a Bessel beam and Bessel-Gaussian beam,the scalar diffraction theory is employed in this paper to calculate the axial and transverse intensity distributions of the plane wave,Gaussian beam,Bessel and Bessel-Gaussian beam,respectively,when they propagate through a circular aperture.The properties of diffractive propagation of the Bessel and Bessel-Gaussian beams are summarized by comparing the diffractive field distributions of the well known plane wave and Gaussian beam.

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Available abstract

In order to further study the diffraction properties of a Bessel beam and Bessel-Gaussian beam,the scalar diffraction theory is employed in this paper to calculate the axial and transverse intensity distributions of the plane wave,Gaussian beam,Bessel and Bessel-Gaussian beam,respectively,when they propagate through a circular aperture.The properties of diffractive propagation of the Bessel and Bessel-Gaussian beams are summarized by comparing the diffractive field distributions of the well known plane wave and Gaussian beam.

Key concepts: Diffraction, Bessel function, Bessel beam, Optics, Gaussian beam, Gaussian, Beam (structure), Aperture (computer memory)

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