Direct calculation of a three-dimensional diffracted field

Jianqing Lin; X. C. Yuan; S. S. Kou; C. J.R. Sheppard; O. G. Rodríguez-Herrera; J. C. Dainty

doi:10.1364/OL.36.001341

Direct calculation of a three-dimensional diffracted field

Jianqing Lin, X. C. Yuan, S. S. Kou, C. J.R. Sheppard, O. G. Rodríguez-Herrera, J. C. Dainty

Medical Imaging & Radiation Sciences

Research output: Contribution to journal › Article › Research › peer-review

22 Citations (Scopus)

Abstract

We present an approach to calculating the complex amplitude of a three-dimensional (3D) diffracted light field in the paraxial approximation based on a 3D Fourier transform. Starting from the Huygens-Fresnel principle, the method is first developed for the computation of the light distribution around the focus of an apertured spherical wave. The method, with modification, is then extended to treat the 3D diffraction of an aperture with an arbitrary transmittance function.

Original language	English
Pages (from-to)	1341-1343
Number of pages	3
Journal	Optics Letters
Volume	36
Issue number	8
DOIs	https://doi.org/10.1364/OL.36.001341
Publication status	Published - 15 Apr 2011

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AU - Dainty, J. C.

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AB - We present an approach to calculating the complex amplitude of a three-dimensional (3D) diffracted light field in the paraxial approximation based on a 3D Fourier transform. Starting from the Huygens-Fresnel principle, the method is first developed for the computation of the light distribution around the focus of an apertured spherical wave. The method, with modification, is then extended to treat the 3D diffraction of an aperture with an arbitrary transmittance function.

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Direct calculation of a three-dimensional diffracted field

Abstract

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