Abstract:
Resonant features in the response of finite arrays of rectangular grooves ruled on a metallic plate have been reported in connection with the excitation of phase resonances. These anomalies are generated by a particular arrangement of the magnetic field phases inside the subwavelength grooves when the structure is illuminated by a p-polarized electromagnetic wave. We show that this kind of resonance is also present for grooves of circular cross section and appear as sharp peaks in the specular response, the number of which increases with the number of grooves in the structure. A significant intensification of the field within the grooves is also found for these particular phase configurations. The dependence of the response on the geometrical parameters of the structure is analyzed in detail, in order to consider these structures for potential applications such as frequency selectors and polarizers. © 2009 Optical Society of America.
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Documento: |
Artículo
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Título: | Anomalous reflection in a metallic plate with subwavelength grooves of circular cross section |
Autor: | Valencia, C.I.; Skigin, D.C. |
Filiación: | Facultad de Ciencias, Universidad Autónoma de Baja California, Km. 107 Carretera Tijuana-Ensenada, Ensenada, Baja California 22860, Mexico Grupo de Electromagnetismo Aplicado, Departamento de Física, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón I, C1428EHA Buenos Aires, Argentina
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Palabras clave: | Electromagnetic wave polarization; Electromagnetic waves; Geometry; Anomalous reflection; Circular cross-sections; Finite array; Metallic plate; Phase configurations; Phase resonances; Rectangular groove; Sub-wavelength; Plates (structural components) |
Año: | 2009
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Volumen: | 48
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Número: | 30
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Página de inicio: | 5863
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Página de fin: | 5870
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DOI: |
http://dx.doi.org/10.1364/AO.48.005863 |
Título revista: | Applied Optics
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Título revista abreviado: | Appl. Opt.
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ISSN: | 1559128X
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CODEN: | APOPA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_1559128X_v48_n30_p5863_Valencia |
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Citas:
---------- APA ----------
Valencia, C.I. & Skigin, D.C.
(2009)
. Anomalous reflection in a metallic plate with subwavelength grooves of circular cross section. Applied Optics, 48(30), 5863-5870.
http://dx.doi.org/10.1364/AO.48.005863---------- CHICAGO ----------
Valencia, C.I., Skigin, D.C.
"Anomalous reflection in a metallic plate with subwavelength grooves of circular cross section"
. Applied Optics 48, no. 30
(2009) : 5863-5870.
http://dx.doi.org/10.1364/AO.48.005863---------- MLA ----------
Valencia, C.I., Skigin, D.C.
"Anomalous reflection in a metallic plate with subwavelength grooves of circular cross section"
. Applied Optics, vol. 48, no. 30, 2009, pp. 5863-5870.
http://dx.doi.org/10.1364/AO.48.005863---------- VANCOUVER ----------
Valencia, C.I., Skigin, D.C. Anomalous reflection in a metallic plate with subwavelength grooves of circular cross section. Appl. Opt. 2009;48(30):5863-5870.
http://dx.doi.org/10.1364/AO.48.005863