Phase and Amplitude Behaviour in Conical Diffraction Near the Resonant Excitation of Surface Plasmons

Depine, Ricardo A.; Valencia, Claudio I.

doi:10.1080/09500349414551871

Cited by 6 publications

(1 citation statement)

References 13 publications

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“…Haggans et al [25] have demonstrated that lamellar reflection gratings can be used as polarization rotators. I n this paper, the polarization conversion at lamellar transmission gratings is investigated experimentally as well as numerically.…”

Section: H Lochbihlermentioning

confidence: 99%

Diffraction from highly conducting lamellar gratings in conical mountings

Lochbihler

1996

Journal of Modern Optics

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The modal method based on a surface impedance approximation is extended to conical mountings valid for highly conducting lamellar gratings. The results of this theory are then compared with those obtained by an exact method which are in good coincidence for highly conducting gratings. It is demonstrated that for highly conducting materials this method yields accurate results while the exact modal method has its numerical limitations. Furthermore, polarization conversion in transmittance has been studied experimentally on gold gratings as well as by numerical calculations. It is then shown that wire gratings can act as effective polarization rotators in a transmitted-light configuration. Moreover, polarization conversion can be utilized to study the excitation of surface polaritons on highly conducting gratings. The dispersion of surface polaritons has been evaluated from transmittance measurements in conical mountings.

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Section: H Lochbihlermentioning

confidence: 99%