Special Section on Nanophotonics in Europe

Second harmonic generation from nanoslits in metal substrates: applications to palladium-based H2 sensor

[+] Author Affiliations
Maria Antonietta Vincenti, Vincenzo Petruzzelli, Antonella D'Orazio

Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via Orabona 4, Bari, Bari 70125 Italy

Francesco Prudenzano

Dipartimento di Ingegneria dell'Ambiente e per lo Sviluppo Sostenibile, Politecnico di Bari, Via del Turismo 8, Taranto, Taranto 74100 Italy

Mark J. Bloemer, Neset Akozbek, Michael Scalora

AMSRD-AMR-WS-ST, Charles M. Bowden Research Center, Redstone Arsenal, Huntsville, Alabama 35898-5000

J. Nanophoton. 2(1), 021851 (October 7, 2008). doi:10.1117/1.3005971
History: Received July 31, 2008; Revised September 30, 2008; Accepted September 30, 2008; October 7, 2008; Online October 07, 2008
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Abstract

We conducted a theoretical investigation of second harmonic generation and other nonlinear features that result from the magnetic Lorentz force, when a single aperture is cut on a thick, opaque palladium substrate. We studied the dependences of linear pump transmission and second harmonic generation near resonance conditions, and explored the different physical mechanisms and their dependences, for example, geometrical features. We found that it is possible to exploit field localization and surface plasmon generation to enhance second harmonic generation in the regime of extraordinary transmittance of the pump field. Both transmitted and backward second harmonic generation conversion efficiencies were investigated. The results reveal that it may be possible to access several potential new applications. In particular, we demonstrated that the exploitation of a combination of nonlinear effects and enhanced transmission makes possible a palladium-based device suitable for H2-leak-detection.

© 2008 Society of Photo-Optical Instrumentation Engineers

Citation

Maria Antonietta Vincenti ; Vincenzo Petruzzelli ; Antonella D'Orazio ; Francesco Prudenzano ; Mark J. Bloemer, et al.
"Second harmonic generation from nanoslits in metal substrates: applications to palladium-based H2 sensor", J. Nanophoton. 2(1), 021851 (October 7, 2008). ; http://dx.doi.org/10.1117/1.3005971


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