Robustness of the scanning second harmonic generation microscopy technique for characterization of hotspot patterns in plasmonic nanomaterials

V. K. Valev; B. De Clercq; X. Zheng; C. G. Biris; N. C. Panoiu; A. V. Silhanek; V. Volskiy; O. A. Aktsipetrov; G. A. E. Vandenbosch; M. Ameloot; V. V. Moshchalkov; T. Verbiest

doi:10.1117/12.922880

30 April 2012 Robustness of the scanning second harmonic generation microscopy technique for characterization of hotspot patterns in plasmonic nanomaterials

V. K. Valev, B. De Clercq, X. Zheng, C. G. Biris, N. C. Panoiu, A. V. Silhanek, V. Volskiy, O. A. Aktsipetrov, G. A. E. Vandenbosch, M. Ameloot, V. V. Moshchalkov, T. Verbiest

Author Affiliations +

Proceedings Volume 8424, Nanophotonics IV; 842411 (2012) https://doi.org/10.1117/12.922880
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Scanning second harmonic generation (SHG) microscopy is becoming an important tool for characterizing nanopatterned metal surfaces and mapping plasmonic local field enhancements. Here we study G-shaped and mirror-G-shaped gold nanostructures and test the robustness of the experimental results versus the direction of scanning, the numerical aperture of the objective, the magnification, and the size of the laser spot on the sample. We find that none of these parameters has a significant influence on the experimental results.

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V. K. Valev, B. De Clercq, X. Zheng, C. G. Biris, N. C. Panoiu, A. V. Silhanek, V. Volskiy, O. A. Aktsipetrov, G. A. E. Vandenbosch, M. Ameloot, V. V. Moshchalkov, and T. Verbiest "Robustness of the scanning second harmonic generation microscopy technique for characterization of hotspot patterns in plasmonic nanomaterials", Proc. SPIE 8424, Nanophotonics IV, 842411 (30 April 2012); https://doi.org/10.1117/12.922880

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