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  Pressure-assisted melt-filling and optical characterization of Au nano-wires in microstructured fibers

Lee, H. W., Schmidt, M. A., Russell, R. F., Joly, N. Y., Tyagi, H. K., Uebel, P., et al. (2011). Pressure-assisted melt-filling and optical characterization of Au nano-wires in microstructured fibers. OPTICS EXPRESS, 19(13), 12180-12189. doi:10.1364/OE.19.012180.

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 Urheber:
Lee, H. W.1, Autor           
Schmidt, M. A.1, Autor           
Russell, R. F.2, Autor
Joly, N. Y.1, Autor           
Tyagi, H. K.1, 3, Autor           
Uebel, P.1, Autor           
Russell, P. St. J.1, Autor           
Affiliations:
1Russell Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364721              
2external, ou_persistent22              
3International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364697              

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Schlagwörter: PHOTONIC CRYSTAL FIBERS; METALLIC NANOWIRESOptics;
 Zusammenfassung: We report a novel splicing-based pressure-assisted melt-filling technique for creating metallic nanowires in hollow channels in microstructured silica fibers. Wires with diameters as small as 120 nm (typical aspect ration 50:1) could be realized at a filling pressure of 300 bar. As an example we investigate a conventional single-mode step-index fiber with a parallel gold nanowire (wire diameter 510 nm) running next to the core. Optical transmission spectra show dips at wavelengths where guided surface plasmon modes on the nanowire phase match to the glass core mode. By monitoring the side-scattered light at narrow breaks in the nanowire, the loss could be estimated. Values as low as 0.7 dB/mm were measured at resonance, corresponding to those of an ultra-long-range eigenmode of the glass-core/nanowire system. By thermal treatment the hollow channel could be collapsed controllably, permitting creation of a conical gold nanowire, the optical properties of which could be monitored by side-scattering. The reproducibility of the technique and the high optical quality of the wires suggest applications in fields such as nonlinear plasmonics, near-field scanning optical microscope tips, cylindrical polarizers, optical sensing and telecommunications. (C) 2011 Optical Society of America

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Sprache(n): eng - English
 Datum: 2011
 Publikationsstatus: Erschienen
 Seiten: 10
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000292867600030
DOI: 10.1364/OE.19.012180
 Art des Abschluß: -

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Titel: OPTICS EXPRESS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA : OPTICAL SOC AMER
Seiten: - Band / Heft: 19 (13) Artikelnummer: - Start- / Endseite: 12180 - 12189 Identifikator: ISSN: 1094-4087