Special Section: Selected Papers from the 3rd Mediterranean Conference on Nanophotonics

Three-dimensional point spread function of multilayered flat lenses and its application to extreme subwavelength resolution

[+] Author Affiliations
Carlos J. Zapata-Rodríguez, David Pastor

Universidad de Valencia, Departamento de Óptica, Dr. Moliner 50, 46100 Burjassot, Spaincarlos.zapata@uv.es

Vicente Camps, María T. Caballero, Juan J. Miret

Universidad de Alicante, Departamento de Óptica, Farmacología y Anatomía, P.O. Box 99, Alicante, Spain

J. Nanophoton. 5(1), 051807 (May 20, 2011). doi:10.1117/1.3590244
History: Received February 04, 2011; Revised April 18, 2011; Accepted April 18, 2011; Published May 20, 2011; Online May 20, 2011
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The three-dimensional (3D) point spread function (PSF) of multilayered flat lenses was proposed in order to characterize the diffractive behavior of these subwavelength image formers. We computed the polarization-dependent scalar 3D PSF for a wide range of slab widths and for different dissipative metamaterials. In terms similar to the Rayleigh criterion we determined unambiguously the limit of resolution featuring this type of image-forming device. We investigated the significant reduction of the limit of resolution by increasing the number of layers, which may drop nearly 1 order of magnitude. However, this super-resolving effect is obtained in detriment of reducing the depth of field. Limitations exist on the formation of 3D images.

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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Carlos J. Zapata-Rodríguez ; David Pastor ; Vicente Camps ; María T. Caballero and Juan J. Miret
"Three-dimensional point spread function of multilayered flat lenses and its application to extreme subwavelength resolution", J. Nanophoton. 5(1), 051807 (May 20, 2011). ; http://dx.doi.org/10.1117/1.3590244


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