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18 December 2012 Super resolution using a modified Spherical Geodesic Waveguide suitable for manufacturing
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Abstract
The previous publications (Miñano et al, 2011) have shown that using a Spherical Geodesic Waveguide (SGW), it can be achieved the super-resolution up to λ /500 close to a set of discrete frequencies. These frequencies are directly connected with the well-known Schumann resonance frequencies of spherical symmetric systems. However, the Spherical Geodesic Waveguide (SGW) has been presented as an ideal system, in which the technological obstacles or manufacturing feasibility and their influence on final results were not taken into account. In order to prove the concept of superresolution experimentally, the Spherical Geodesic Waveguide is modified according to the manufacturing requirements and technological limitations. Each manufacturing process imposes some imperfections which can affect the experimental results. Here, we analyze the influence of the manufacturing limitations on the super-resolution properties of the SGW. Beside the theoretical work, herein, there has been presented the experimental results, as well.
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Hamed Ahmadpanahi, Dejan Grabovičkić, Jorge Carbonell, Juan Carlos González, Pablo Benítez, Juan Carlos Miñano, and José Sánchez-Dehesa "Super resolution using a modified Spherical Geodesic Waveguide suitable for manufacturing", Proc. SPIE 8550, Optical Systems Design 2012, 855004 (18 December 2012); https://doi.org/10.1117/12.981193
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