Nano Archive

Nanofiber frequency doublers

Brewer, J. and Schiek, M. and Luetzen, A. and Al-Shamery, K. and Rubahn, H. -G. (2006) Nanofiber frequency doublers. NANO LETTERS, 6 (12). pp. 2656-2659.

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Nanoscaled, needle-shaped frequency doublers have been generated via self-assembled surface growth from functionalized quaterphenylene molecules with a designed large hyperpolarizability. The nanofiber frequency doublers exhibit very weak fluorescence centered around 430 nm but emit a strong, resonance-enhanced second-harmonic signal when excited with infrared 80 fs laser pulses. The frequency doublers are employed to correlate second-harmonic response and morphology via two-dimensional true second-harmonic images of individual nanoaggregates obtained with the help of a femtosecond laser scanning microscope.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Engineering > Nanotechnology applications in ICT
ID Code:6179
Deposited By:IoN
Deposited On:10 Sep 2009 12:43
Last Modified:10 Sep 2009 12:43

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