Laser formed gratings generate hybrid plasmonic modes

We have employed direct laser writing technique to fabricated large-scale (5 × 5 mm²) gold gratings which generate hybrid lattice plasmon polaritons in the Vis-NIR range. The key element of each grating is a hollow gold microbump that is formed by exposing a thin gold coating with a tightly focused laser beam. The formed gratings can be used in microscopy, surface-enhanced Raman spectroscopy, or in the development of plasmonic nanolasers. Further details can be found in the article published in Advanced Optical Materials: .

Baltfab_DLW_plasmonic grating

Martynas Gavutis
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