title: Dependence of surface plasmon polarization conversion on the grating pitch.
abstract: A polarization conversion of linearly polarized light incident on a cross-corrugated metal surface may occur due to the optical energy exchange between the surface plasmon (SP) resonances at the metal-dielectric interface. In this paper, the angular and wavelength dependence of the SP-induced polarization conversion was studied in transmission as a function of the grating pitch of two perpendicular surface relief diffraction gratings. A theoretical model based on graphical representations in momentum space of the traveling light beam through the specimen was developed and successfully applied to the experimental results.
authors.affiliation: Dept of Physics, Royal Military College of Canada, P.O. Box 17000, STN Forces, Kingston, Ontario, Canada K7K 7B4. sabat@rmc.ca
authors.forename: Ribal Georges
authors.initials: RG
authors.lastname: Sabat
authors.forename: Nathan
authors.initials: N
authors.lastname: Rochon
authors.forename: Paul
authors.initials: P
authors.lastname: Rochon