Scalar diffraction of spherical waves by a plane aperture: a general analysis based on the critical points
Optics Letters, Vol. 24, Issue 24, pp. 1799-1801 (1999)
http://dx.doi.org/10.1364/OL.24.001799
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Abstract
We present a formulation of the scalar diffraction of spherical waves through plane apertures that takes advantage of the importance of the critical points and the semiperiodic zones that are defined in the plane of the aperture. Our approach overcomes the intrinsic limitations of stationary-phase methods (when the critical points coalesce) and allows a direct implementation in terms of numerical algorithms for computations of any predefined accuracy. The method is illustrated with examples corresponding to a rectangular aperture.
© 1999 Optical Society of America
OCIS Codes
(050.1940) Diffraction and gratings : Diffraction
(050.1960) Diffraction and gratings : Diffraction theory
(050.1970) Diffraction and gratings : Diffractive optics
(260.1960) Physical optics : Diffraction theory
Citation
Salvador Bosch and Josep Ferré-Borrull, "Scalar diffraction of spherical waves by a plane aperture: a general analysis based on the critical points," Opt. Lett. 24, 1799-1801 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-24-1799
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