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Alda, Javier ; López-Alonso, José Manuel ; Boreman, Glenn ; Rico-García, José María | Puntex | 2005-05La investigación sobre el comportamiento de estructuras metálicas cuyo tamaño es comparable a la longitud de onda de la radiación detectada puede realizarse considerándolas como antenas detectoras de radiación óptica. El diseño, análisis y carac[...]texto impreso
Rico-García, José María ; López-Alonso, José Manuel ; Lail, Brian ; Boreman, Glenn ; Alda, Javier | SPIE | 2004-12-06Fresnel Zone Plate Lenses (FZPLs) have been successfully coupled to infrared (IR) antennas producing a responsivity enhancement of about two orders of magnitude. However, their lateral extension may compromise their applicability in focal-plane-[...]texto impreso
A few years ago, some of the authors of the paper demonstrated the resonance of optical antennas in the visible frequencies. The results of that paper were obtained using experimental techniques that were primarily developed for the measurement [...]texto impreso
Alda, Javier ; Rico-García, José María ; López-Alonso, José Manuel ; Boreman, Glenn | Egyptian Society of Solid State Science & Applications | 2005Antenna-coupled optical detectors, also named as optical antennas, are being developed as detection devices with micro- and nano-scale features for their use in the millimetre, infrared, and visible spectral range. They are optical components th[...]texto impreso
Monochromatic aberrations in resonant optical elements applied to a focusing multilevel reflectarray
The monochromatic aberrations produced by the phase distribution reflected by resonant sub-wavelength metallic structures are studied both analytically and numerically. Even for normal incidence, the angular dependence of the re-radiated wavefro[...]texto impreso
Moreno, Camilo ; Alda, Javier ; Kinzel, Edward ; Boreman, Glenn | The Optical Society Of America | 2017-02When considering the pseudo-heterodyne mode for detection of the modulus and phase of the near field from scattering scanning near-field optical microscopy (s-SNOM) measurements, processing only the modulus of the signal may produce an undesired[...]texto impreso
Alda, Javier ; López Alonso, José Manuel ; Rico García, José María ; Zoido Chamorro, Jesús Manuel ; Boreman, Glenn | SPIE | 2004-04-15The miniaturization of light detectors in the visible and infrared has produced devices with micrometric and sub-micrometric spatial features. Some of these spatial features are closely linked with the physical mechanism of detection. An example[...]
