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2003•Journal of Zhuzhou Teachers CollegeRequires access

The Propagation Characteristics of the Diffraction Field by a Circular Aperture of Bessel-Gauss Beam

Xu Shou

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Abstract

By using the scalar KirchhoffHuygens integral,analytic expressions were obtained for both axial and transverse intensity distributions of BesselGauss, Bessel,and Gaussial beams diffracted by a circular aperture.The propagation characteristics of these beams were compared.And it was pointed out that the BesselGauss beam performance in a diffractionfree distance is dependent on the aperture radius,the beam waist parameter,and the transverse wave number.

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What this paper is about

By using the scalar KirchhoffHuygens integral,analytic expressions were obtained for both axial and transverse intensity distributions of BesselGauss, Bessel,and Gaussial beams diffracted by a circular aperture.The propagation characteristics of these beams were compared.And it was pointed out that the BesselGauss beam performance in a diffractionfree distance is dependent on the aperture radius,the beam waist parameter,and the transverse wave number.

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Available abstract

By using the scalar KirchhoffHuygens integral,analytic expressions were obtained for both axial and transverse intensity distributions of BesselGauss, Bessel,and Gaussial beams diffracted by a circular aperture.The propagation characteristics of these beams were compared.And it was pointed out that the BesselGauss beam performance in a diffractionfree distance is dependent on the aperture radius,the beam waist parameter,and the transverse wave number.

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

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