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Optimal phase distributions for polygonal Fresnel lenses

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Alda, Javier and Salgado Remacha, Francisco Javier and Sánchez Brea, Luis Miguel and Rico-García, José María and González, Francisco Javier (2010) Optimal phase distributions for polygonal Fresnel lenses. In Proceedings of the Fourth European Conference on Antennas and Propagation. IEEE, pp. 1-5. ISBN 978-84-7653-472-4

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Abstract

Polygonal Fresnel zone plates can be configured in a variety of forms depending on the number of sides of the polygon and the number of phase steps used. This contribution deals with some specific polygonal designs that tessellate the plane: triangles, squares, and hexagons. The phase distribution is chosen as a continuous one to form a polygonal kinoform. The selected designs have been simulated and its behaviour compared. Although their performance is worse than the circular Fresnel plate, they may present some other advantages as the tessellation capability, and the possibility to fabricate them as extruded profiles.


Item Type:Book Section
Additional Information:

ISSN: 2164-3342
Conferencia: 4th European Conference on Antennas and Propagation (EuCAP) ; Barcelona, SPAIN; APR 12-16, 2010

Uncontrolled Keywords:Apertures ; Diffraction ; Fabrication ; Fresnel reflection ; Genetic expression ; Geometry Lenses; Optical design
Subjects:Sciences > Physics > Optics
Medical sciences > Optics > Optical materials
Medical sciences > Optics > Physical optics
ID Code:38633
Deposited On:08 Sep 2016 12:07
Last Modified:08 Sep 2016 12:07

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