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Bruhier H, Verrier I, Gueye T, et al. Effect of roughness on surface plasmons propagation along deep and shallow metallic diffraction gratings. Opt Lett. 2022;47(2):349-352doi: 10.1364/OL.443659.
Bruhier, H., Verrier, I., Gueye, T., Varenne, C., Ndiaye, A., Parriaux, O., Veillas, C., Reynaud, S., Brunet, J., & Jourlin, Y. (2022). Effect of roughness on surface plasmons propagation along deep and shallow metallic diffraction gratings. Optics letters, 47(2), 349-352. https://doi.org/10.1364/OL.443659
Bruhier, Hugo, et al. "Effect of roughness on surface plasmons propagation along deep and shallow metallic diffraction gratings." Optics letters vol. 47,2 (2022): 349-352. doi: https://doi.org/10.1364/OL.443659
Bruhier H, Verrier I, Gueye T, Varenne C, Ndiaye A, Parriaux O, Veillas C, Reynaud S, Brunet J, Jourlin Y. Effect of roughness on surface plasmons propagation along deep and shallow metallic diffraction gratings. Opt Lett. 2022 Jan 15;47(2):349-352. doi: 10.1364/OL.443659. PMID: 35030603.
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Opt Lett. 2022 Jan 15;47(2):349-352. doi: 10.1364/OL.443659.

Effect of roughness on surface plasmons propagation along deep and shallow metallic diffraction gratings.

Optics letters

Hugo Bruhier, Isabelle Verrier, Thiaka Gueye, Christelle Varenne, Amadou Ndiaye, Olivier Parriaux, Colette Veillas, Stéphanie Reynaud, Jérôme Brunet, Yves Jourlin

PMID: 35030603 DOI: 10.1364/OL.443659

Abstract

The roughness of shallow or deep metallic diffraction gratings modifies the propagation of surface plasmon mode along the metallic-air interface. The scattering losses lead to a spectral or angular broadening of the surface plasmon resonance (SPR) and to a shift of the resonance wavelength and coupling angle. This mechanism is deeply analyzed both experimentally and theoretically to overcome these effects when such structures, in particular deep ones, are used as SPR-based sensors.

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