Fresnel Diffraction of Gaussian Beams by a Circular Aperture in Gradient-index Media |
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| Authors: | E Acosta C Gomez-Reino |
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| Affiliation: | Laboratorio de Optica, Departamento de Fisica Aplicada, Facultad de Fisica , Universidad de Santiago de Compostela , E-15706, Santiago de Compostela, Galicia, Spain |
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| Abstract: | Abstract This work presents a method of evaluating the intensity distribution of a Gaussian beam in a weakly inhomogeneous medium when it has been truncated by a circular aperture. An analytical expression for the diffracted field is obtained in terms of Bessel functions. |
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