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High-resolution spatial-response measurements of optical nano-antennas in the visible

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Alda, Javier and Rico-García, José María and López Alonso, José Manuel and Boreman, Glenn (2007) High-resolution spatial-response measurements of optical nano-antennas in the visible. In IEEE Antennas and Propagation Society International Symposium. IEEE, pp. 3396-3399. ISBN 9781424408771

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Official URL: http://dx.doi.org/10.1109/APS.2007.4396266




Abstract

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 of antenna-coupled detectors in the infrared. In the present paper, we show the results of spatial-response mapping obtained by using a dedicated measurement station for the characterization of optical antennas in the visible. At the same time, the bottleneck in the spatial responsivity calculation represented by the beam characterization has been approached from a different perspective. The proposed technique uses a collection of knife edge measurements in order to avoid the use of any model of the laser beam irradiance. By taking all this into account we present the spatial responsivity of optical antennas measured with high spatial resolution in the visible.


Item Type:Book Section
Additional Information:

Date of Conference: 9-15 June 2007
Print ISBN: 978-1-4244-0877-1
INSPEC Accession Number: 9887892

Uncontrolled Keywords:Optical antennas ; Optical detection ; Infrared spectra ;Laser beam ; Spatial resolution
Subjects:Sciences > Physics > Optics
Medical sciences > Optics > Physical optics
ID Code:38620
Deposited On:08 Sep 2016 11:59
Last Modified:08 Sep 2016 12:19

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