Send to:

Choose Destination
See comment in PubMed Commons below
Opt Express. 2010 Mar 1;18(5):4184-97. doi: 10.1364/OE.18.004184.

Doubly resonant optical nanoantenna arrays for polarization resolved measurements of surface-enhanced Raman scattering.

Author information

  • 1Institute of Applied Physics, Nanooptics, Friedrich-Schiller-Universität Jena, Max Wien Platz 1, 07743 Jena, Germany.


We report that rhomb-shaped metal nanoantenna arrays support multiple plasmonic resonances, making them favorable bio-sensing substrates. Besides the two localized plasmonic dipole modes associated with the two principle axes of the rhombi, the sample supports an additional grating-induced surface plasmon polariton resonance. The plasmonic properties of all modes are carefully studied by far-field measurements together with numerical and analytical calculations. The sample is then applied to surface-enhanced Raman scattering measurements. It is shown to be highly efficient since two plasmonic resonances of the structure were simultaneously tuned to coincide with the excitation and the emission wavelength in the SERS experiment. The analysis is completed by measuring the impact of the polarization angle on the SERS signal.

PubMed Commons home

PubMed Commons

How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Optical Society of America
    Loading ...
    Write to the Help Desk