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Petschulat J, Cialla D, Janunts N, et al. Doubly resonant optical nanoantenna arrays for polarization resolved measurements of surface-enhanced Raman scattering. Opt Express. 2010;18(5):4184-97doi: 10.1364/OE.18.004184.
Petschulat, J., Cialla, D., Janunts, N., Rockstuhl, C., Hübner, U., Möller, R., Schneidewind, H., Mattheis, R., Popp, J., Tünnermann, A., Lederer, F., & Pertsch, T. (2010). Doubly resonant optical nanoantenna arrays for polarization resolved measurements of surface-enhanced Raman scattering. Optics express, 18(5), 4184-97. https://doi.org/10.1364/OE.18.004184
Petschulat, J, et al. "Doubly resonant optical nanoantenna arrays for polarization resolved measurements of surface-enhanced Raman scattering." Optics express vol. 18,5 (2010): 4184-97. doi: https://doi.org/10.1364/OE.18.004184
Petschulat J, Cialla D, Janunts N, Rockstuhl C, Hübner U, Möller R, Schneidewind H, Mattheis R, Popp J, Tünnermann A, Lederer F, Pertsch T. Doubly resonant optical nanoantenna arrays for polarization resolved measurements of surface-enhanced Raman scattering. Opt Express. 2010 Mar 01;18(5):4184-97. doi: 10.1364/OE.18.004184. PMID: 20389431.
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Opt Express. 2010 Mar 01;18(5):4184-97. doi: 10.1364/OE.18.004184.

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

Optics express

J Petschulat, D Cialla, N Janunts, C Rockstuhl, U Hübner, R Möller, H Schneidewind, R Mattheis, J Popp, A Tünnermann, F Lederer, T Pertsch

Affiliations

  1. Institute of Applied Physics, Nanooptics, Friedrich-Schiller-Universität Jena, Max Wien Platz 1, 07743 Jena, Germany. [email protected]

PMID: 20389431 DOI: 10.1364/OE.18.004184

Abstract

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.

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