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

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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https://hal.archives-ouvertes.fr/hal-03522925
Contributor : Isabelle Verrier Connect in order to contact the contributor
Submitted on : Wednesday, January 12, 2022 - 12:45:39 PM
Last modification on : Tuesday, May 10, 2022 - 12:48:41 PM
Long-term archiving on: : Wednesday, April 13, 2022 - 9:35:34 PM

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“© 2022 Optical Society of America. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. https://doi.org/10.1364/OL.443659

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Hugo Bruhier, Isabelle Verrier, Thiaka Gueye, Christelle Varenne, Amadou Ndiaye, et al.. Effect of roughness on surface plasmons propagation along deep and shallow metallic diffraction gratings. Optics Letters, Optical Society of America - OSA Publishing, 2022, 47 (2), pp.349. ⟨10.1364/ol.443659⟩. ⟨hal-03522925⟩

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