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Regensburg 2013 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 15: Poster Session

MM 15.36: Poster

Montag, 11. März 2013, 18:00–20:00, Poster E

Second-Harmonic Generation in Silver Nanorod Arrays — •Fabian Patrovsky1, Vera Hoffmann1, Philipp Reichenbach1, Andreas Hille1, René Kullock2, and Lukas M. Eng11Institute of Applied Photophysics, TU Dresden, Germany — 2Department of Experimental Physics 5, University of Würzburg, Germany

Second-harmonic generation (SHG) in metal nanoparticles is a promising new field combining nanotechnology with nanooptics [1]. Previous studies excellently proved the SHG effect of single nanoparticles attached preferentially to nonconductive surfaces. Similar to Raman scattering [2], the SHG efficiency can be considerably increased when coupling two such nanoantennas in the optical near-field region [3].
In the present study we investigate the generation of second-harmonic radiation from silver nanorod arrays as a function of different geometric parameters (volume, rod length, distance) including also the angle of incidence. Correlations between linear and nonlinear optical properties are found.
[1] M. D. McMahon et. al. Physical Review B 73, 041401(R) (2006) [2] P. Olk et. al. Nano Lett. 7 (6), pp 1736-1740 (2007) [3] R. Jin et. al. J. Am. Chem. Soc. 127, 12482 (2005)

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