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Citation - WoS: 5
Citation - Scopus: 5
Bessel Beam Diffraction by an Aperture in an Opaque Screen
(Hindawi Ltd, 2015) Basdemir, Husnu Deniz
The scattering of the Bessel beam by a circular aperture in an opaque screen is investigated by the geometrical theory of diffraction approach. The geometrical optics and diffracted and scattered fields are obtained. The effect of the aperture to the scattering process is analyzed. The uniform versions of field expressions are derived. The geometrical optics and diffracted and scattered fields are examined numerically.
Citation - WoS: 6
Citation - Scopus: 7
Modeling of an Interface Between Isorefractive Media by a Resistive Surface
(Optical Soc Amer, 2018) Basdemir, Husnu Deniz
In this study, the scattering of plane waves by a half-plane with different face impedances, which lie between isorefractive media, is analyzed. A new approach for the solution of this scenario is proposed. According to this proposal, the problem of isorefractive media and an impedance half-plane is modeled by a junction of resistive and impedance sheets. Thus the diffraction coefficient of the construction is obtained with the aid of the equivalent problem. The uniform expression of the diffracted waves is derived by the method of the uniform theory of diffraction. The scattered and diffracted waves are investigated numerically. (c) 2018 Optical Society of America

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